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Scan001 |
Letter to H.M. Hobson Ltd. regarding issues with faulty old type gauges on experimental cars.
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View original record |
+4038. Expl: Dept: 1st. Sept. 1928. Hs/Rml/LG. Messrs. H.M.Hobson Ltd., 47-55 Acton Vale, London W.3. Dear Sirs, For the attention of Major Searight. We have been having trouble with the old type…
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Scan002 |
Letter from H.M. Hobson, Ltd. regarding faulty K-S Telegages causing excessive overnight loss on customer cars.
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View original record |
CONTRACTORS TO THE ADMIRALTY, WAR OFFICE, AIR MINISTRY AND TO THE DOMINION & FOREIGN GOVERNMENTS. PLEASE ADDRESS ALL COMMUNICATIONS TO THE FIRM, NOT TO INDIVIDUALS. H.M. HOBSON, LTD. 47-55, ACTON…
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Scan003 |
Letter discussing the troubleshooting of Temple and Sprengel type tank units and their potential replacement.
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View original record |
Messrs. Rolls-Royce, Ltd., Date 4. 9. 28. Page 2 in these tanks are the old Temple type, as shown on our print K-S 36 enclosed, we should then have some information on the matter. If on the other…
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Scan004 |
Letter from H.M. Hobson, Ltd. requesting details on the installation of pressure balance type units.
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View original record |
Messrs.Rolls-Royce,Ltd., Date 4. 9.28. Page 3 With regard to the pressure balance type units supplied recently, as shown on your Drawing F.79192, we should be obliged if you would let us know the…
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Scan005 |
Letter from H.M. Hobson, Ltd. arranging a meeting in Derby regarding the Hobson K-S Telegage.
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View original record |
+4038 CONTRACTORS TO THE ADMIRALTY, WAR OFFICE, AIR MINISTRY AND TO THE DOMINION & FOREIGN GOVERNMENTS. PLEASE ADDRESS ALL COMMUNICATIONS TO THE FIRM, NOT TO INDIVIDUALS. TELEPHONE: CHISWICK 4231. (4…
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Scan006 |
Letter to H.M. Hobson Ltd. arranging a meeting and reporting leaking and erratically functioning gauges.
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View original record |
4038 Hs/Rm2/LG. Expl: Dept: 18th. Sept. 1928. Messrs. H.M. Hobson Ltd., 47-55 Acton Vale, London W.3. Dear Sirs, For the attention of Major Searight. With reference to your letter of the 17th. inst.…
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Scan007 |
Optimal positioning of the K-S Telegage in the tank for 20 HP and 40/50 HP models.
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View original record |
X4038 To BY. from Hs/Rn. Hs/Rn2/LG19.9.28. K-S TELEGAGE. In order to obtain the maximum efficiency from this gauge it is advantageous to put it as near to a baffle in the tank as possible. The 20 HP.…
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Scan008 |
The K-S Telegage petrol gauge for the 20 HP and 40/50 models.
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View original record |
To BY. from Hs/Rn. X4038 Hs/Rn5/LG21.9.28. K-S TELEGAGE. With reference to the K-S petrol gauge we have suspended for a series on the 20 HP. and 40/50. Will you please point out to Sales that in the…
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Scan009 |
The incorrect positioning of the Telegage and filter on the 12-EX tank.
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View original record |
To RHC. from Hs/Rn. X4038 Hs/Rn1/LG21.9.28. X7460 12-EX TANK. We note that the Telegage and filter on this tank are not in the latest position which has been assigned to these units. We should be…
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Scan010 |
Letter from H.M. Hobson Ltd. discussing further trials and potential modifications for Telegages.
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View original record |
+9038 CONTRACTORS TO THE ADMIRALTY, WAR OFFICE, AIR MINISTRY AND TO THE DOMINION & FOREIGN GOVERNMENTS. PLEASE ADDRESS ALL COMMUNICATIONS TO THE FIRM, NOT TO INDIVIDUALS. TELEPHONE: CHISWICK 4231 (4…
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Scan011 |
Letter discussing air pumping tests, petrol levels, and the replacement of a Sprengel unit with a new double-capacity version.
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View original record |
Messrs.Rolls-Royce,Ltd., Date 21. 9.28. Page 2 that this, more than its proximity to the unit, will increase the amount of air pumping. 2 In addition, placing the unit approximately 1" closer to the…
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Scan012 |
The K-S petrol gauge in the tank of 10-EX be moved.
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View original record |
X9038 To RHC. from Hs/Rm. Hs/Rm3/LG22. 9. 28. K-S PETROL GAUGE. X7460 NIXXX Will you please arrange for the K-S petrol gauge in the tank of 10-EX to be moved to the latest position i.e., approximately…
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Scan013 |
Letter to H.M. Hobson Ltd. regarding cooperation on testing to improve the functioning of a gauge.
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View original record |
X4038 Expl: Dept: Hs/Rm2/LG. 22nd. Sept. 1928. Messrs. H.M.Hobson Ltd., 47-55 Acton Vale, London W.3. Dear Sirs, For the attention of Major Searight. With reference to your letter of the 21st.inst. We…
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Scan014 |
The correct procedure for fitting K-S petrol gauges to avoid unsatisfactory behaviour.
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View original record |
X4038 To RHC. To GWH. To AJL. FROM Hs/Rm. Hs/Rm3/LG24.9.28. K-S PETROL GAUGES. These gauges have been behaving unsatisfactorily. There are one or two points which should be carefully observed in…
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Scan015 |
Letter from H.M. Hobson Ltd. discussing the probable cause of an excessive over-night loss, attributing it to insufficient air pumping.
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View original record |
CONTRACTORS TO THE ADMIRALTY, WAR OFFICE, AIR MINISTRY AND TO THE DOMINION & FOREIGN GOVERNMENTS. PLEASE ADDRESS ALL COMMUNICATIONS TO THE FIRM, NOT TO INDIVIDUALS. x4038 TELEPHONE: CHISWICK 4231. (4…
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Scan016 |
Page 2 of a letter from H.M. Hobson Ltd. concerning test results on a unit's bell capacity and petrol loss.
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View original record |
Messrs. Rolls-Royce Ltd. Date 24/9/28. Page 2. gallons, had our bell capacity been larger. 1 1/4 gallons at the 20 gallon mark amounts to a loss of head of 13/16". That is to say, the petrol had risen…
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Scan017 |
Letter from H.M. Hobson, Ltd. regarding the dispatch of three tank units with increased bell capacity and associated drawings.
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View original record |
X4038. CONTRACTORS TO THE ADMIRALTY, WAR OFFICE, AIR MINISTRY AND TO THE DOMINION & FOREIGN GOVERNMENTS. PLEASE ADDRESS ALL COMMUNICATIONS TO THE FIRM, NOT TO INDIVIDUALS. TELEPHONE: CHISWICK 4231 (4…
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Scan018 |
Page two of a letter from H. M. Hobson Ltd. discussing pump performance and arranging a follow-up visit.
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View original record |
Messrs. Rolls-Royce Ltd. Date 25/9/28. Page 2. to fully pump them up after the air line has been disconnected and the car started out with a zero reading, will probably be at least double the time and…
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Scan019 |
Letter to H.M. Hobson Ltd. discussing the performance of telegauges, noting an immunity from trouble, and requesting new balance line assemblies.
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View original record |
4038 Expl: Dept: HS/Rul/LG. 26th. Sept. 1928. Messrs. H.M. Hobson Ltd., 47-55 Acton Vale, London W.3. Dear Sirs, For the attention of Major Searight. We thank you for your letter of the 25th. inst.…
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Scan020 |
Untraceable telegauges and a related invoice from H. M. Hobson, Ltd.
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View original record |
Hs/Rm. +4038 G/WFH/CA16/ES.27.9.28. Further to our memo. of the 20th inst. copy of which is attached hereto. You returned this memo. to us stating you had no trace of the one telegauge referred to,…
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Scan021 |
Querying how to proceed with invoices for Telegauges from H. M. Hobson Ltd. for which no order was issued.
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View original record |
Hs/Rm. COPY. G/WFH/CA16/ES.209.28. We have received from H. M. Hobson,Ltd. two invoices on which we are charged with 3 Telegauges complete at £4. 0. 0.each, one of which they say was brought here by…
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Scan022 |
Letter from H.M. Hobson Ltd. regarding overnight loss on Telegage installations due to temperature drops and condensation.
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View original record |
x4038 CONTRACTORS TO THE ADMIRALTY, WAR OFFICE, AIR MINISTRY AND TO THE DOMINION & FOREIGN GOVERNMENTS. PLEASE ADDRESS ALL COMMUNICATIONS TO THE FIRM, NOT TO INDIVIDUALS. TELEPHONE: CHISWICK 4231 (4…
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Scan023 |
Letter from H.M. Hobson, Ltd. regarding a pressure balance telegage set and a meeting in Paris.
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View original record |
Messrs. Rolls-Royce Ltd. Date 27/9/28. Page 2. We note that you do not think the writer need come up until you get into further trouble, but upon hearing from you he will always be pleased to assist…
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Scan024 |
The fitting and standardisation of K-S and Hobson Telegages.
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View original record |
To BY. from Hs/Rn. c. to MX. c. to WOR. X4038 Hs/Rn2/LGZ.10.28. K-S TELEGAGE. Hobson Telegages are now being fitted to one or two cars and will possibly be standardised before very long. Attached are…
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Scan025 |
Instructions for fitting K-S petrol gauges to avoid unsatisfactory behaviour.
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View original record |
c o p y. To RHC. ) To GWH. ) FROM Hs/Rn. To AJL. ) Hs/Rm3/LG24. 9. 28. K-S PETROL GAUGES. These gauges have been behaving unsatisfactorily. There are one or two points which should be carefully…
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Scan026 |
Covering order for two balanced type gauges for the 40/50 HP car.
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View original record |
To G/WFH. from Hs/Rm. X4038 Hs/RmL/LG28.9.28. With reference to G/WFH/CA16/ES27.9.28. Will you please issue a covering order for the 2 gauges in question. These are balanced type units for the 40/50…
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Scan027 |
Internal request to order a K-S petrol gauge unit for a 40/50 HP model from H.M. Hobson Ltd.
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View original record |
To ROY/Ms. from Hs/Rn. X4038 Hs/Rn2/LG28.9.28. Will you please order from Messrs. H.M. Hobson Ltd. :- 1 K-S petrol gauge balanced type unit for the 40/50 HP. to drawing KS.162. Tank unit line, and…
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Scan028 |
Following up on an untraced order for a Telegage from H.M. Hobson, Ltd.
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View original record |
X4038 Hs/Rm. G/WFH/CAL4/MS.28.9.28. Further to our memo of the 20th. inst. which you returned to us remarking you had no trace of the one Telegage which H.M. Hobson, Ltd. stated was ordered by your…
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Scan029 |
Letter from supplier H.M. Hobson Ltd. regarding an invoice charge for a Telegage.
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View original record |
COPY ------- H. M. HOBSON, Ltd., 47-55, Acton Vale, London.W.3. Messrs. Rolls-Royce, Ltd., Derby. Dear Sirs, In reply to your memo of the 22nd inst., respecting the Telegage charged for on our invoice…
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Scan030 |
Instructions for fitting a K.S. Gauge to the petrol tank for a 12-EX Chassis.
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View original record |
c. Hs/Rm. X4038 BY/HEB4/M.24.9.28. 12-EX. CHASSIS. FITTING K.S. GAUGE TO PETROL TANK.SEC:7080. FRAMES AND FITTINGS - SECTION 7000. In order to fit K.S. Gauge to Petrol Tank it will be necessary to…
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Scan031 |
Request for a quote and recommendation on fitting a K.S. Telegauge to a 20 HP chassis for Guy Knowles Esq.
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View original record |
To Hs/Rm from G/Rb. +4038 G/Rb.3/M/143A/BJ.8.10.28. c. to BY [text is crossed out] Re: 20 HP Chassis for Guy Knowles Esq Through Paddon Brothers. We have been requested to quote Sales the extra cost…
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Scan032 |
Recommendation for a K-S gauge with a twin pipe which provides a pressure balance.
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View original record |
To G/Rb. from Hs. c. to BY. +4038 Hs2/LG8.10.28. With reference to G/RO3/M/143A/BJ8.10.28. The type of K-S gauge we recommend is the one with the twin pipe which gives a pressure balance. Hs.
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Scan033 |
The cancellation of the 'K.S.' Telegauge standardisation due to functional issues, reverting to the old type.
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View original record |
+4D38 BY6/G.8.10.28. W/S. (a) c. N c. Ds. c. Wors 'K.S.' TELEGAUGE. Bs.10/M5.10.28. The K.S. Telegauge was standardised for both chassis. Sheets were fully signed up, and in accordance with the usual…
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Scan034 |
Letter to H.M. Hobson Ltd. regarding a fault with a balanced gauge on a 40/50 HP car.
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View original record |
+4038 Hs/Rml8/LG. 17th. Oct. 1928. Messrs. H.M.Hobson Ltd., 47-55 Acton Vale, London W.3. Dear Sirs, For the attention of Major Searight. With reference to the balanced gauge for the 40/50 HP. car…
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Scan035 |
Letter from H.M. Hobson Ltd. acknowledging a query regarding a balanced gauge on a 40/50 HP car.
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View original record |
X4038 CONTRACTORS TO THE ADMIRALTY, WAR OFFICE, AIR MINISTRY AND TO THE DOMINION & FOREIGN GOVERNMENTS. PLEASE ADDRESS ALL COMMUNICATIONS TO THE FIRM, NOT TO INDIVIDUALS. TELEPHONE: CHISWICK 4231 (4…
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Scan036 |
Letter from H.M. Hobson Ltd. discussing the performance of a balanced fuel gauge on a 40/50 HP car.
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View original record |
+9038 CONTRACTORS TO THE ADMIRALTY, WAR OFFICE, AIR MINISTRY AND TO THE DOMINION & FOREIGN GOVERNMENTS. TELEPHONE: CHISWICK 4231 (4 LINES). TELEGRAMS: 'ASSEMBLAGE, LONDON'. PLEASE ADDRESS ALL…
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Scan037 |
Technical letter discussing fuel gauge variations due to liquid surge and potential pipe obstructions.
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View original record |
Messrs. Rolls-Royce, Ltd., Date 19.10.28. Page 2 variations in the gauge due to surge, and was introduced in your particular instance owing to the possibility of the danger with a completely full…
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Scan038 |
Letter from H.M. Hobson, Ltd. regarding the slow reading of a gauge upon filling and plans for bench testing.
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View original record |
Messrs. Rolls-Royce, Ltd., Date 19.10.28. Page 3 and to give the correct reading to the last half gallon upon filling up, as the pressure difference is so slight, and the transverse [handwritten…
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Scan039 |
Letter from H.M. Hobson Ltd. regarding the calibration of a tank unit and dashboard gauge supplied for chassis GFN-6.
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View original record |
CONTRACTORS TO THE ADMIRALTY, WAR OFFICE, AIR MINISTRY AND TO THE DOMINION & FOREIGN GOVERNMENTS. PLEASE ADDRESS ALL COMMUNICATIONS TO THE FIRM, NOT TO INDIVIDUALS. TELEPHONE: CHISWICK 4231.…
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Scan040 |
Letter from H.M. Hobson Ltd. regarding the calibration of a tank unit for chassis GFN-6.
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View original record |
Messrs. Rolls-Royce,Ltd., Date 19.10.28. Page 2 for this second job, and we conclude that the matter will be correct, i.e. that it is a similar tank to that fitted on Mr. Royce's car and calibrated by…
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Scan041 |
Outlining two tests to be performed on a K-S petrol gauge.
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View original record |
To GWH. from Hs/Rn. X4038 Hs/Rml/LG20.10.28. K-S PETROL GAUGE. X1565 We have two tests that we wish to carry out on this gauge :- (1) Tank to be filled full of 50/50 spirit - car brakes applied…
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Scan042 |
Internal request to order one K-S Telegage unit for engine 14G-4.
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View original record |
X4038. To ROY/MS. from Hs/Rm. Hs/Rm1/LG22.10.28. Will you please order for 14G-4 :- 1 K-S Telegage unit complete as supplied for 12G-4. N.sch.2578. N.sch.2576. If this specification is given,…
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Scan043 |
Letter to Messrs. H.M. Hobson Ltd. regarding the slow action of a gauge and further testing.
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View original record |
X4038. Hs/Rm6/LG. Expl: Dept: 22nd. Oct. 1928. Messrs.H.M.Hobson Ltd., 47-55 Acton Vale, London W.3. Dear Sirs, For the attention of Major Searight. We thank you for your TPS/MW of the 19th. inst. We…
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Scan044 |
Letter to supplier H.M. Hobson Ltd. concerning tank and dashboard units for chassis GFN-6 and an experimental car.
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View original record |
X4038. Expl: Dept: Hs/Rn7/LG. 22nd. Oct. 1928. Messrs.H.M.Hobson Ltd., 47-55 Acton Vale, London W.3. Dear Sirs, For the attention of Major Searight. With reference to your TPS/MW. of the 19th.inst.…
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Scan045 |
Urgent request to alter the position of a petrol gauge on car 10g-4.
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View original record |
X4038 To RHC. from Hs/Rm. Hs/Rm5/LG22.10.28. Will you please alter the position of the petrol gauge on 10g-4 to that shewn on F.55744. This matter is urgent, as gauges are being fitted in this…
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Scan046 |
Request to complete an 'SS' tank to allow for petrol gauge calibration and fitting.
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View original record |
x 4038 To RHC. from Hs/Rn. Hs/Bml2/LG22.10.28. x7460 It would be of considerable assistance if we could get a 'SS' tank completed so that we could get the petrol gauge calibrated and fitted. This…
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Scan047 |
Order for two Telegage units from Messrs. H.M. Hobson Ltd.
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View original record |
To ROY/Ms. from Hs/Rn. X4038 Hs/Rm3/LG24.10.28. Will you please order from Messrs.H.M.Hobson Ltd. 1 20 HP. Telegage unit complete, identical with that supplied for 12G.4. This gauge is for 14-G-4. We…
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Scan048 |
Letter to Messrs. H.M. Hobson Ltd. confirming an impending official order for two gauges.
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View original record |
+4038 Hs/Rn4/LG. Expl: Dept: 24th. Oct. 1928. Messrs. H.M. Hobson Ltd., 47-55 Acton Vale, London W.3. Dear Sirs, For the attention of Major Searight. You will be getting our official order for 2…
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Scan049 |
Correspondence with H.M. Hobson Ltd. regarding the availability of tanks and the calibration of dashboard units for Mr. Royce.
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View original record |
X4038 Expl: Dept: Hs/Rml/LG. 25th. Oct. 1928. Messrs.H.M.Hobson Ltd., 47-55 Acton Vale, London W.3. Dear Sirs, For the attention of Major Searight. With reference to your letter of the 23rd.inst. Mr.…
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Scan050 |
Letter regarding the return and retention of Telegauges and Tank Units from H.M. Hobson Ltd.
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View original record |
Hs/Rm. L9036 G/WFH/CAS/MW.25.10.28. Regarding the Telegauges and Tank Units recently invoiced by H.M. Hobson Ltd., we understand the two Tank Units you do not require are now being returned to these…
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Scan051 |
Letter from H.M. Hobson Ltd. regarding the calibration of a tank to drawing F.55744.
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View original record |
X4038 CONTRACTORS TO THE ADMIRALTY, WAR OFFICE, AIR MINISTRY AND TO THE DOMINION & FOREIGN GOVERNMENTS. PLEASE ADDRESS ALL COMMUNICATIONS TO THE FIRM, NOT TO INDIVIDUALS. TELEPHONE: CHISWICK 4231 (4…
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Scan052 |
Page 2 of a letter from H.M. Hobson Ltd. regarding the calibration and development of fuel gauges.
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View original record |
Messrs.Rolls-Royce,Ltd., Date 26.10.28. Page 2 spacing, except in special instances where there is no time We marked Mr.Royce's car from the gauge readings on the actual mask. We think you will…
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Scan053 |
Authorising payment for a gauge brought by Major Searight.
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View original record |
To G/WFH. from Hs/Rm. X4038 Hs/Rn4/LG26.10.28. With reference to G/WFH/CA8/MW25.10.28. We have now traced the gauge which Major Searight brought by hand, and it will therefore be in order for you to…
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Scan054 |
Request for an India-4 petrol tank to be sent to Claudel Hobsons for petrol gauge calibration.
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View original record |
To RHC. from Hs/Rn. X9038 Hs/Rml/LG26.10.28. X5460 It would be of assistance to us if you could let us have the next India-4 petrol tank so that we may let Claudel Hobsons have it to calibrate the…
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Scan055 |
Letter to H.M. Hobson Ltd. regarding tank calibration, fuel gauge positions for 40/50 HP and 20 HP models, and issues with a balanced gauge.
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View original record |
440>8 Hs/Rm2/LG. Expt: Dept: 27th. Oct. 1928. Messrs. H.M.Hobson Ltd., 47-55 Acton Vale, London W.3. Dear Sirs, For the attention of Major Searight. Many thanks for your letter of the 26th. inst. We…
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Scan056 |
Letter from H.M. Hobson Ltd. acknowledging a letter and arranging a meeting to discuss calibrating new tank designs.
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View original record |
X9038 CONTRACTORS TO THE ADMIRALTY, WAR OFFICE, AIR MINISTRY AND TO THE DOMINION & FOREIGN GOVERNMENTS. PLEASE ADDRESS ALL COMMUNICATIONS TO THE FIRM, NOT TO INDIVIDUALS. TELEPHONE: CHISWICK 4231 (4…
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Scan057 |
Letter to H.M. Hobson Ltd. concerning the design of a petrol gauge and tank unit for a 40/50 HP car.
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View original record |
Y4038. Expl: Dept: Hs/Rn3/LG. 31st. Oct. 1928. Messrs.H.M.Hobson Ltd., 47-55 Acton Vale, London W.3. Dear Sirs, For the attention of Major Searight. With reference to the new tank for which one 40/50…
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Scan058 |
Letter from H.M. Hobson, Ltd. regarding the supply of liquid capsules and air lines for Telegages.
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View original record |
X4038 CONTRACTORS TO THE ADMIRALTY, WAR OFFICE, AIR MINISTRY AND TO THE DOMINION & FOREIGN GOVERNMENTS. PLEASE ADDRESS ALL COMMUNICATIONS TO THE FIRM, NOT TO INDIVIDUALS. TELEPHONE: CHISWICK 4231 (4…
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Scan059 |
Page 2 of a letter from H.M. Hobson, Ltd. discussing petrol tank gauge fittings and testing.
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View original record |
Messrs.Rolls-Royce,Ltd., Date 2. 11. 28. Page 2 necessity to match up as regards the centre of the fitting with the petrol arrangements on the other side of the tank, so that the gauge being slightly…
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Scan060 |
Letter from H.M. Hobson Ltd. detailing test results for a dash head instrument and fuel tank unit.
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View original record |
X4038 CONTRACTORS TO THE ADMIRALTY, WAR OFFICE, AIR MINISTRY AND TO THE DOMINION & FOREIGN GOVERNMENTS. TELEPHONE: CHISWICK 4231 (4 LINES). TELEGRAMS: "ASSEMBLAGE, LONDON". PLEASE ADDRESS ALL…
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Scan061 |
Page 2 of a test report diagnosing a faulty fuel gauge, concluding the issue is likely an obstruction in the gauge, capillary, or its connections.
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View original record |
Messrs.Rolls-Royce,Ltd., Date 5. 11. 28. Page 2 baffles. Thus our conditions should represent the conditions on the car. The watch was started immediately on the petrol reaching the 20 gallon mark in…
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Scan062 |
Letter from H.M. Hobson, Ltd. regarding a trial for a gauge on a 40/50 HP experimental car.
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View original record |
Messrs.Rolls-Royce,Ltd., Date 5.11.28. Page 3 We suggest a trial of this gauge, the time of which we know, on your 40/50 h.p. experimental car. If the lag still exists, the air line should be…
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Scan063 |
Letter to H.M. Hobson Ltd. detailing issues with a balanced 40/50 unit's fuel tank, pump, and gauge.
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View original record |
X 4038 Expl: Dept; Hs/Rn3/LG. 8th. Nov. 1928. Messrs. H.M. Hobson Ltd., 47-55 Acton Vale, London W.3. Dear Sirs, For the attention of Major Searight. We have now been able to run with the balanced…
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Scan064 |
Letter discussing tests with Swan spirit and an invitation to a carburetter meeting.
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View original record |
contd :- -2- We are running our tests with Swan spirit, and will let you have the results as soon as they come to hand. We thank you for the invitation to the Carburetter Meeting and hope to be able…
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Scan065 |
Letter from H.M. Hobson, Ltd. regarding fuel tank tests and calibration on a 40/50 HP unit.
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View original record |
X4038 CONTRACTORS TO THE ADMIRALTY, WAR OFFICE, AIR MINISTRY AND TO THE DOMINION & FOREIGN GOVERNMENTS. PLEASE ADDRESS ALL COMMUNICATIONS TO THE FIRM, NOT TO INDIVIDUALS. TELEPHONE: CHISWICK 4231 (4…
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Scan066 |
Technical discussion on the positioning and installation difficulties of a pumping unit within a tank.
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View original record |
Messrs. Rolls-Royce, Ltd., Date 9.11.28. Page 2 we should expect it to begin to pump, always assuming that it was very close to the baffle. It has been difficult to get this cup high enough, owing to…
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Scan067 |
Calibration and installation issues of a fuel tank unit.
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View original record |
Messrs.Rolls-Royce,Ltd., Date 9.11.28. Page 3 The unit as shown on K-S.162 should start to register when something between one-third and half a gallon have been put in the tank, unless the angle of…
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Scan068 |
Letter from H.M. Hobson, Ltd. requesting advice on investigations for a new type tank.
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View original record |
Messrs.Rolls-Royce, Ltd., Date 9.11.28. Page 4 We would like your advice as to whether we should do these investigations on the new type tank or the old one converted. Assuring you at all times of our…
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Scan069 |
Letter to H.M. Hobson Ltd. regarding the sending, calibration, and ordering of petrol tanks and dashboard units.
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View original record |
X4038 Hs/Rm6/LG. Expt: Dept: 13th. Nov. 1928. Messrs. H. M. Hobson Ltd., 47-55 Acton Vale, London W.3. X5460 Dear Sirs, For the attention of Major Searight. We have today sent you by car two petrol…
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Scan070 |
Letter from H.M. Hobson Ltd. regarding a telegram exchange about supplying a dashboard gauge for a Phantom eighteen ET.
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View original record |
X9038 CONTRACTORS TO THE ADMIRALTY, WAR OFFICE, AIR MINISTRY AND TO THE DOMINION & FOREIGN GOVERNMENTS. PLEASE ADDRESS ALL COMMUNICATIONS TO THE FIRM, NOT TO INDIVIDUALS. TELEPHONE: CHISWICK 4231 (4…
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Scan071 |
Letter discussing facia boards, K-S numbers for different horsepower models, and tank calibrations.
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Messrs.Rolls-Royce,Ltd., Date 16.11.28. Page 2 the angle of this facia board, so that we may shim the instrument correctly, which will then be delivered to them in time for the complete body. In reply…
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Scan072 |
Modifications to an experimental tank and a 40/50 HP model tank, including unit positioning and pumping test advice.
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Messrs.Rolls-Royce,Ltd., Date 16.11. 28. Page 3 manner to that arranged on the 40/50 h.p. model. However, on the actual tank we have here, the holes necessary to do this have been used for the rivets…
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Scan073 |
Issues with petrol tank gauge calibration, specifically its inability to display the full capacity.
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Messrs.Rolls-Royce,Ltd., Date 16.11.28. Page 4 tank filled to the top of the filler, as the whole top of the unit and a portion of the air line will be under petrol under these conditions. We would…
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Scan074 |
Page 5 of a letter from H.M. Hobson, Ltd. discussing gallons and time constraints.
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Messrs. Rolls-Royce, Ltd., Date 16.11.28. Page 5 either 21 gallons in 2 1/4" or 20 gallons in 2 1/2" whichever is deemed advisable, but shortness of time prvented our doing it in this way on this…
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Scan075 |
The dispatch of India IV and 'SS' petrol tanks to Messrs. Hobson for the fitting of petrol gauges.
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BP. from Hs/Rn. X4038 Hs/Rn4/LG19.11.28. X7460 INDIA IV. AND 'SS' PETROL TANKS. One of each of these tanks was sent to Messrs. Hobson for the purpose of fitting petrol gauges. They were delivered by…
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Scan076 |
Letter to Messrs. H.M. Hobson regarding issues with petrol tanks and gauges.
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+4038 Expl: Dept: HS/Rn2/LG. 20th. Nov.1928. Messrs.H.M.Hobson, 47-55 Acton Vale, London W.3. Dear Sirs, For the attention of Major Searight. We thank you for your letter of the 16th.inst. We have…
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Scan077 |
Letter discussing the experimental setup of a tank unit and arrangements for further testing.
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c-ontd :- -2- We know that (2) is partially due to the angle at which we have set the face for the tank unit. It appears to us, however, that unless the angle of tilt is increased and the unit then…
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Scan078 |
Letter from H.M. Hobson, Ltd. regarding a design alteration to the N.soh.2571 tank to improve pumping rate.
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View original record |
CONTRACTORS TO THE ADMIRALTY, WAR OFFICE, AIR MINISTRY AND TO THE DOMINION & FOREIGN GOVERNMENTS. PLEASE ADDRESS ALL COMMUNICATIONS TO THE FIRM, NOT TO INDIVIDUALS. +4038 TELEPHONE: CHISWICK 4231. (4…
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Scan079 |
Experiments and tests conducted on 20 HP and 40/50 HP fuel tanks, including modifications and performance.
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View original record |
Messrs.Rolls-Royce,Ltd., Date 23.11. 28. Page 2 as to the angle to which the connections on the 20 h.p. tank N.sch.2578 should point, as this makes a difference to the angle to which we have to set…
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Scan080 |
Letter from H.M. Hobson, Ltd. regarding the completion of a pumping test on a tank.
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Messrs.Rolls-Royce,Ltd., Date 23.11. 28. Page 3 of the bell, replaces on a pumping test within seven miles, starting from this figure. We will give you full particulars of the tests on their…
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Scan081 |
Test results for a petrol tank on a luggage carrier, recording mileage and fuel gauge readings under dry and wet road conditions.
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View original record |
X9038 Petrol Tank to Scheme No. 2576/2578. K.S. 175. Tests with tank on luggage carrier; petrol being used by engine; straight unit; no 1/16" hole in bell plate. 20/11/28. Dry roads. Approx. in tank.…
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Scan082 |
Log of fuel gauge readings against mileage and fuel in tank during a road test from Acton to Bournemouth.
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View original record |
Dry roads; head gale; Acton to Bournemouth. 23/11/28. Cranked unit; 1" T6 hole in bell plate. Approx. in tank. Mileage. Gauge. 8 468 8 468 0 478 1.75 6.9 488 (20) 5.25 498 5.5 5.8 508 (40) 5.25 518…
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Scan083 |
Test report detailing fuel tank levels, mileage, and gauge readings for a cranked unit.
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View original record |
24/11/28. Cranked unit. 1"/16 hole in bell plate. Filled tank to brim of filler. Pressure balance out off at 14 (+) on gauge; having stood overnight at 3 on gauge. Approx. in tank. Mileage. Gauge.…
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Scan084 |
Road test log detailing fuel tank levels, mileage, and gauge readings for a Straight Unit.
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View original record |
Straight Unit . 1"/16 hole. Approx. in tank. Mileage. Gauge. 8 411 8 411 0 421 1 6.9 431 (20) 1.5 441 4 5.8 451 (40) 4 4.75 468 (57) 4 Emptied tank 4.75 Night driving very slow against gale. Wet…
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Scan085 |
Fuel consumption test log showing fuel levels against mileage for a Straight Unit.
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View original record |
Straight Unit. 1"/16 hole in bell plate. Approx. in tank. Mileage. Gauge. 12.75 362 12.75 362 0 367 9 372 11 11.65 382 (20) 10.75 392 10.25 Overnight 9.75 10.55 402 (40) 10.0 9.75 410 9.5 [Vertically…
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Scan086 |
Fuel consumption test report detailing mileage against fuel tank levels.
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View original record |
Straight Unit - 1"/16 hole in bell plate. Raised datum on gauge 1/4 gallon. Dry roads. London - Basingstoke and return. 30/11/28. Approx. in tank. Mileage. Gauge. 8 5746 0 5756 5 7 5766 (20) 6 5776 6…
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Scan087 |
Test results for top cup pumping with two vertical bell units in different positions.
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View original record |
TOP CUP PUMPING TESTS. Tests on Tank F.79192 (K.S.162) Continued. 2 vertical bell units fitted, i.e. (A) In centre of tank against near side baffle. (B) In normal position. 10/12/28. Approx. in tank.…
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Scan088 |
Test report on top cup pumping, detailing calibrations and performance during various driving conditions.
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View original record |
TOP CUP PUMPING TESTS. Calibrations O.K. 1 gallon to 20. Pressure balance cuts off after 20 gallons. Tank F.79192 (K.s.162) installed on carrier of 20 h.p.Rolls-Royce car; petrol being used out of…
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Scan089 |
Request to order six K-S petrol gauges from H.M. Hobson for six SS chassis.
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View original record |
To ROY/Ms. from Hs/Rm. X9038 Hs/Rm2/LG23.11.28. K-S PETROL GAUGES. 47460 Will you please order from Messrs. H.M. Hobson, Acton Vale, London :- 6 Petrol gauges for the six SS. chassis at present being…
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Scan090 |
Letter to H.M. Hobson Ltd. regarding a report on the behaviour of a 20 HP gauge and pumping issues.
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View original record |
X4038 Expl: Dept: Hs/Bm3/LG. 30th. Nov. 1928. Messrs. H.M. Hobson Ltd., 47-55 Acton Vale, London W.3. X5460 Dear Sirs, For the attention of Major Searight. We send you herewith a complete report on…
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Scan091 |
Calibration and road test report for a Hobson K-S telegage on a 20 HP chassis.
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View original record |
Hs/AJLL/LG30.11.28. HOBSON K-S TELEGAGE. The latest telegage (K-S.155) calibrated for the 20 HP. chassis and fitted to 10-G-111 car has been tested as follows :- Calibration. After fitting up the…
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Scan092 |
Second test of a petrol gauge, detailing fuel level changes over distance.
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contd :- -2- A second test was carried out to substantiate the above inference. The petrol tank at the commencement of the test had 10 1/4 galls. in, the petrol level being just above the top of the…
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Scan093 |
Letter from H.M. Hobson, Ltd. regarding the testing and return of a 20 HP tank (Scheme 2578).
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Y 4038 CONTRACTORS TO THE ADMIRALTY, WAR OFFICE, AIR MINISTRY AND TO THE DOMINION & FOREIGN GOVERNMENTS. PLEASE ADDRESS ALL COMMUNICATIONS TO THE FIRM, NOT TO INDIVIDUALS. TELEPHONE: CHISWICK 4231 (4…
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Scan094 |
Letter from H.M. Hobson Ltd. detailing the results of tests on a fuel tank and pumping unit.
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View original record |
Messrs. Rolls-Royce, Ltd., Date 3.12.28. Page 2 good as can now be obtained with the existing design. Within 35 miles, i.e. 2 gallons of the top of the filler, vigorous pumping has taken place, and…
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Scan095 |
Invoice from H.M. Hobson Ltd for fitting petrol telegauges and confirming delivery of a dash unit.
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Hs/Rm. X 4038 G/WFH/CA35/MW.4.12.28. We have received from H.M.Hobson Limited, an invoice dated the 30th ult. upon which we are charged £4/-/ plus 14/1d. carriage, for fitting Hobson Petrol Telegauges…
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Scan096 |
Instructing stores to despatch a dashboard petrol gauge to Hoopers Coachbuilders for urgent fitting.
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View original record |
To BP. from Hs/Rn. c. to Mt. Stores. +A08356 Hs/Rn4/LG4.12.28. We are sending into the Stores for despatch to Messrs. Hoopers, Coachbuilders, 77, Kings Rd., Chelsea : 1 K-S Dashboard unit (petrol…
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Scan097 |
Letter from H.M. Hobson, Ltd. regarding the calibration of a petrol telegage for a 20 HP gauge.
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View original record |
X4038 CONTRACTORS TO THE ADMIRALTY, WAR OFFICE, AIR MINISTRY AND TO THE DOMINION & FOREIGN GOVERNMENTS. PLEASE ADDRESS ALL COMMUNICATIONS TO THE FIRM, NOT TO INDIVIDUALS. TELEPHONE: CHISWICK 4231. (4…
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Scan098 |
Swan spirit and road tests, discussing fuel loss and component modifications.
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View original record |
Messrs.Rolls-Royce,Ltd., Date 5.12.28. Page 2 vertical, and rectify this ¾ gallon loss. We note the result of the Swan spirit test, and are pleased to see that no loss was experienced. It would be…
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Scan099 |
Fuel pumping system test, detailing petrol levels, cup positions, and gauge readings.
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View original record |
Messrs.Rolls-Royce,Ltd., Date 5.12.28. Page 3 Our experience has been that before any considerable pumping can take place, the cup must be something between 1¼" and 1½" above the normal petrol level.…
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Scan100 |
Letter from H.M. Hobson, Ltd. discussing pumping tests and installation flange angle discrepancies.
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View original record |
Messrs.Rolls-Royce,Ltd., Date 5.12.28. Page 4 in capacity between the tube and the bell. We mention this as we believe it is the reason for the pumping becoming less fast after approximately 25 miles,…
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Scan101 |
Urgent internal memo requesting the order of a K-S petrol gauge from Claudel Hobson.
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View original record |
+9038 To ROY/MS. from Hs/Rm. Hs/Rm4/LG5.12.28. INDIA 1V - K-S PETROL GAUGE. X5460 Will you please order from Messrs. Claudel Hobson one 20 HP. K-S unit complete exactly similar to that recently…
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Scan102 |
Post office telegram requesting an extension for experiments on a 40/50 model tank.
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POST OFFICE CONFIRMATION X9038 No. K9 Office Stamp: DERBY 6 DE 58 Time handed in. Office of Origin and Service Instructions. Words. 12 10.58 LONDON T 28 THE INFORMATION OVERLEAF WILL INTEREST YOU.…
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Scan103 |
The supply and payment for a K-S Petrol Gauge.
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To G/WFH. from Hs/Rn. +4038 Hs/Rn1/LG7.12.28. K-S PETROL GAUGE. +7460 With reference to G/WFH/CA35/MV4.12.28. We presume this gauge is to KS.180. We had intended that it should be covered by one of…
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Scan104 |
Difficulty with the K.S. petrol gauge flange angle and its impact on calibration.
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View original record |
To BY. from Hs/Rn. c. to Wor. c. to Sft. X4038 Hs/Rnl/LG10.12.28. RE. K.S. PETROL GAUGE. With reference to the K.S. petrol gauge. We have had difficulty experimentally with the flange F.71792 (KS.162)…
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Scan105 |
Letter from coachbuilder Hooper & Co. regarding parts for Body No. 7122 on an Experimental 40/50HP car.
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View original record |
HOOPER & Co. (Coachbuilders) LTD. AGENTS FOR ALL LEADING MOTOR CARS. +9038 MOTOR-BODY-BUILDERS & COACHBUILDERS TO HIS MAJESTY THE KING BY ROYAL WARRANT HER MAJESTY THE QUEEN H.R.H. THE PRINCE OF WALES…
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Scan106 |
Recommended installation procedure for K.S. petrol gauges.
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To BY. From HS/Rm c. to Wor. c. to Sft. c. to Mx. c. to C. 4038 HS/Rm3/LG10.12.28. K.S. PETROL GAUGES. F. 71792. We understand that a number of petrol gauges are now being put through to customers'…
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Scan107 |
Difficulties and proposed modifications for mounting a Hooper Sedanca body onto a 19-EX chassis.
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View original record |
BY. from DA/EV. Hs. c. to BJ. Ha. 49038 DA/EV2/M11.12.28. RE. PETROL TANK AT REAR END - 19-EX. X.7460 HOOPER SEDANCA. X.7830 X.4038 Owing to the change in the chassis which has been made since this…
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Scan108 |
Incorrectly fitted Hobson petrol gauge found in the Test department and a request to monitor future installations.
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To Mx. from Hs. X4038 Hs2/LG12.12.28. K-S PETROL GAUGES. X8460 When the Hobson Petrol Gauge expert was here yesterday, we found a car running about in the Test with the petrol gauge on. The rear end…
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Scan109 |
Instructions for fitting K-S petrol gauges to avoid unsatisfactory behaviour.
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View original record |
RHC. ) AJL. } FROM HS/Rn. GWH. ) c. to MX. COPY. HS3/LG24. 9.28. K-S PETROL GAUGES. These gauges have been behaving unsatisfactorily. There are one or two points which should be carefully observed in…
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Scan110 |
Requesting a requisition to cover an order for K-S Petrol Gauges.
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View original record |
X4038 Rm. ROY/GEA21/EB12. 12. 28. K-S PETROL GAUGE. G/WFH. Referring to your memo addressed to Will you kindly let us have a requisition to cover the Gauges referred to, to enable us to pass covering…
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Scan111 |
Request to Messrs. Hobson for a drawing of an India 1V Petrol Tank to correct the angle of the airline connections.
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View original record |
X4034 BY. from Hs/An. Hs/Rml/LG13.12.28. K.S. GAUGES. X4038 X5460 Will you please let Messrs. Hobson have a drawing of India 1V Petrol Tank shewing the correct angle of the air line connections. There…
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Scan112 |
Order for a K.S. Petrol Gauge and authorising payment for tank carriage.
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View original record |
X4038 To ROY. from Hs/Rm. Hs/Rm5/LG13.12.28. Will you please pass an order for 1 K.S. Petrol Gauge to Drg. No.180 - complete to be fitted to our tank at Messrs. Claudel Hobson's Works. This gauge has…
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Scan113 |
Letter to H.M. Hobson Ltd. regarding an incorrectly drilled tank, part KS.175, for a 20 HP Telegage system.
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49038 Expl: Dept: Hs/RnS/LG. 13th. Dec. 1928. Messrs. H.M.Hobson Ltd., 47-55 Acton Vale, London W.3. Dear Sirs, For the attention of Major Searight. 20 HP. TELEGAGE. You are correct in your assumption…
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Scan114 |
Letter from H.M. Hobson, Ltd. concerning pumping tests on Tank F.79192.
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View original record |
+9038 CONTRACTORS TO THE ADMIRALTY, WAR OFFICE, AIR MINISTRY AND TO THE DOMINION & FOREIGN GOVERNMENTS. PLEASE ADDRESS ALL COMMUNICATIONS TO THE FIRM, NOT TO INDIVIDUALS. TELEPHONE: CHISWICK 4231 (4…
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Scan115 |
Fuel consumption and tank installation testing for the 40/50 HP model, including overnight fuel loss.
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View original record |
Messrs. Rolls-Royce, Ltd., Date 14.12.28. Page 2 we presume approximately 13 m.p.g. in the case of the 40/50 h.p. model. Furthermore no heat of any sort comes upon the tank in the position of the…
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Scan116 |
Letter from H.M. Hobson Ltd. proposing an installation on the writer's car, referencing a King-Seeley aircraft gauge system.
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View original record |
Messrs.Rolls-Royce, Ltd., Date 14.12.28. Page 3 propose making, and in the meantime we are proceeding to make an installation on the writer's car, incorporating the suggested pump, delivering air…
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Scan117 |
Letter from H.M. Hobson, Ltd. concerning the '20 HP Telegage' and part K.S.175.
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View original record |
X40356 CONTRACTORS TO THE ADMIRALTY, WAR OFFICE, AIR MINISTRY AND TO THE DOMINION & FOREIGN GOVERNMENTS. PLEASE ADDRESS ALL COMMUNICATIONS TO THE FIRM, NOT TO INDIVIDUALS. TELEPHONE: CHISWICK 4231. (4…
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Scan118 |
Letter discussing the despatch and fitting of gauge units and related drawings for various models.
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View original record |
Messrs. Rolls-Royce, Ltd.. Date 15.12.28. Page 2 which we think will satisfactorily meet the case for the time being. As a matter of actual fact, we were on the point of despatching to you yesterday,…
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Scan119 |
Letter from H.M. Hobson, Ltd. discussing unit fitting modifications and manufacturing variations.
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Messrs.Rolls-Royce,Ltd., Date 15.12.28. Page 3 alter it accordingly, and let you have revised copies. We think it would be a distinct advantage if you could arrange that future units were fitted…
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Scan120 |
Letter from H.M. Hobson Ltd. regarding preliminary tests on a 40/50 HP tank and seeking clarification on production specifications.
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View original record |
CONTRACTORS TO THE ADMIRALTY, WAR OFFICE, AIR MINISTRY AND TO THE DOMINION & FOREIGN GOVERNMENTS. PLEASE ADDRESS ALL COMMUNICATIONS TO THE FIRM, NOT TO INDIVIDUALS. TELEPHONE: CHISWICK 4231 (4 LINES).…
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Scan121 |
Letter from H.M. Hobson Ltd. regarding the effect of flange angle variations on fuel calibrations and ongoing pumping tests.
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View original record |
Messrs.Rolls-Royce, Ltd., Date 8.12.28. Page 2 It is undoubtedly necessary to maintain the bell in a vertical position, to get our datum right, as a variation in the angle of this flange of 3° was…
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Scan122 |
Letter from H.M. Hobson Ltd. regarding a visit to discuss an experimental tank and gauge gear testing.
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View original record |
CONTRACTORS TO THE ADMIRALTY, WAR OFFICE, AIR MINISTRY AND TO THE DOMINION & FOREIGN GOVERNMENTS. TELEPHONE: CHISWICK 4231 (4 LINES). TELEGRAMS: "ASSEMBLAGE, LONDON". PLEASE ADDRESS ALL COMMUNICATIONS…
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Scan123 |
Letter from H.M. Hobson, Ltd. discussing a procedure for gauges getting wet lines at the coachbuilders.
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View original record |
Messrs. Rolls-Royce, Ltd., Date 8.12.28. Page 2 Experimental Department, but that some are required for customers' cars actually leaving the works in a very short time. We believe that it will be…
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Scan124 |
Test results for top cup pumping on a fuel tank.
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View original record |
TOP CUP PUMPING TESTS. Calibrations O.K. 1 gallon to 20. Pressure balance cuts off after 20 gallons. Tank F.79192 (K.S.162) installed on carrier of 20 h.p. Rolls-Royce car; petrol being used out of…
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Scan125 |
Test report on top cup pumping, detailing fuel gauge readings against mileage and tank levels.
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View original record |
+9038 TOP CUP PUMPING TESTS. Calibrations O.K. 1 gallon to 20. Pressure balance cuts off after 20 gallons. Tank F.79192 (K.S.162) installed on carrier of 20 h.p.Rolls-Royce car; petrol being used out…
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Scan126 |
Road test report for a petrol tank fitted to a 20 HP car, detailing routes, road conditions, and temperatures.
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View original record |
+4306 Petrol tank to scheme No. 2576/2578. K.S.175. fitted on luggage carrier of 20 h.p. car G.O.K.72. Suspension very good. Over-size tyres 33 x 5.77. Pressure 35 lbs. per sq.in. Car driven on its…
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Scan127 |
Log of petrol tank level measurements and gauge readings against mileage and time.
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View original record |
Tank filled to brim of filler, holding just under 15 gallons. Two gallons taken out, leaving petrol level just under 13 gallons. Level say 12.75 Miles. Time. Gauge reading (approx) 17/11/28. 0 3.40 0…
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Scan128 |
Log of fuel gauge readings at different mileage intervals after removing specific amounts of fuel.
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View original record |
Take 1 1/4 gallons out of tank. Level say 11.5 Miles. Time. Gauge reading. 0 11.20 0 10 11.50 10.5 20 12.15 10.5 30 Not taken. 10.75 40 " " 11.00 Take 3 gallons out of tank. Level say 8.5 Miles. Time.…
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Scan129 |
Clarifying the status of gauges required for experimental cars and correcting a previously delivered incorrect gauge.
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View original record |
To G/WFH. from Hs/Rn. +4038. Hs/Rn4/LG17.12.28. With reference to G/WFH/CA23/ES12.12.28. The position is as follows. The two gauges we mention as being required for our Expl: cars in the attached…
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Scan130 |
Electrical tinning process for K.S. petrol gauge tank units.
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View original record |
To BY. from Hs/Rm. X9038 Hs/Rml/LG17.12.28. K.S. PETROL GAUGES. We note that you have asked for the tank units of the petrol gauge to be electrically tinned. We presume it would be more satisfactory…
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Scan131 |
Inquiry to H.M. Hobson Ltd. regarding their experience with corrosion on un-tinned tank units.
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View original record |
X4038 HS/Bm2/LG. 17th. Dec. 1928. Messrs. H.M.Hobson Ltd., 47-55 Acton Vale, London W.3. Dear Sirs, For the attention of Major Searight. We usually electrically tin all the parts in our petrol tank.…
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Scan132 |
The need for a dashboard reading fuel gauge due to integrated trunks making the standard gauge unreadable.
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View original record |
A.J.L. x9038 Please carry out temp test on over night loss as soon as possible To Hs. from Sg. re Dashboard Reading Gauge. You will appreciate that with the increase in the demand for adequate luggage…
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Scan133 |
Letter from H. M. Hobson, Ltd. regarding the tinning versus nickel plating process for tank units.
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View original record |
79038 CONTRACTORS TO THE ADMIRALTY, WAR OFFICE, AIR MINISTRY AND TO THE DOMINION & FOREIGN GOVERNMENTS. TELEPHONE: CHISWICK 4231 (4 LINES). TELEGRAMS: "ASSEMBLAGE, LONDON." PLEASE ADDRESS ALL…
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Scan134 |
Letter from H.M. Hobson Ltd. regarding nickel plating processes and potential impurities in petrol tanks.
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View original record |
Messrs. Rolls-Royce, Ltd., Date 18.12.28. Page 2 We should like to have your remarks with reference to this, as we found that nickel plating was more expeditious. Is there likely to be any difference…
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Scan135 |
Letter to H.M. Hobson Ltd. regarding the trial of a hand pump on a petrol gauge.
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View original record |
X4038 Expl: Dept: 19th. Dec. 1928. Hs/Rn3/LG. Messrs.H.M.Hobson Ltd., 47-55 Acton Vale, London W.3. Dear Sirs, For the attention of Major Searight. We have decided that we should like to try the hand…
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Scan136 |
Letter from H.M. Hobson, Ltd. confirming the suitability of a 100% gauge and arranging for K.S.180 and K.S.175 sets to be prepared for testing.
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View original record |
x4039 CONTRACTORS TO THE ADMIRALTY, WAR OFFICE, AIR MINISTRY AND TO THE DOMINION & FOREIGN GOVERNMENTS. TELEPHONE: CHISWICK 4231 (4 LINES). TELEGRAMS: "ASSEMBLAGE, LONDON" PLEASE ADDRESS ALL…
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Scan137 |
Letter to Messrs. H.M. Hobson, Ltd. regarding the positioning of a K.S gauge on an experimental chassis.
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View original record |
+9038 Copy. ROLLS-ROYCE LTD. Derby. Ref. BY/Cgh4/N. 28th December 1928. Messrs. H.M.Hobson,Ltd., 47/55, Acton Vale, London, W.3. Dear Sirs, We send you herewith print LF 1220 on which we have shown in…
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Scan138 |
Correspondence regarding the altered position of the Hobson K-S Telegage on an experimental 40/50 HP chassis.
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View original record |
COPY. Our ref. Your ref. 1st January. 1929. TPS/MW. BY/Cgh4/N. Messrs.Rolls-Royce,Ltd., Derby. Dear Sirs, We beg to thank you for your letter of the 28th ultimo., enclosing print IF 1220, showing the…
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Scan139 |
Page two of a letter from H.M. Hobson, LTD. regarding a tank unit modification.
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Messrs.Rolls-Royce.Ltd., 1.1.29. Page.2. -2- as shown on your drawing IF 1220, it will be necessary to replace these and any other tank units required for use in this altered installation. If you will…
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Scan140 |
Letter from H.M. Hobson Ltd. concerning the altered position of a Hobson K-S Telegage on an experimental 40/50 HP chassis.
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+4038 CONTRACTORS TO THE ADMIRALTY, WAR OFFICE, AIR MINISTRY AND TO THE DOMINION & FOREIGN GOVERNMENTS. PLEASE ADDRESS ALL COMMUNICATIONS TO THE FIRM, NOT TO INDIVIDUALS. TELEPHONE: CHISWICK 4231 (4…
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Scan141 |
Letter concerning the necessity to manufacture new tank units and modify existing ones for a specific installation.
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Messrs.Rolls-Royce,Ltd., Date 1.1.29. Page 2 it will be necessary to make new tank units entirely for this installation. In connection with this matter, we may mention that we have to-day despatched…
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Scan142 |
Telegauges from H. M. Hobson, Ltd., including an invoice and a request for a payment order.
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X4038 Hs/Rm. G/WFH/CA13/ES.2.1.29. Further to our recent memos. regarding one Telegauge received from H. M. Hobson, Ltd., and which was delivered to Mr. Coverley, kindly note we have as yet been…
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Scan143 |
Requesting the return of Telegauges to a supplier, Messrs. H.M. Hobson, for modification.
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X4038 To EP. from Hs/Rn. c. to Mt. Stores. c. to ROY/Ms. Hs/Rn4/LG4.1.29. We are sending into the Stores :- 3 KS.180 Telegages - supplied to our O/N. 84394. Will you please have these gauges returned…
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Scan144 |
Letter from H.M. Hobson, Ltd. regarding an altered design for two sample pump sets, specifically the top plate casting.
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49038 CONTRACTORS TO THE ADMIRALTY, WAR OFFICE, AIR MINISTRY. AND TO THE DOMINION & FOREIGN GOVERNMENTS. PLEASE ADDRESS ALL COMMUNICATIONS TO THE FIRM, NOT TO INDIVIDUALS. TELEPHONE: CHISWICK 4231 (4…
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Scan145 |
Correspondence from H.M. Hobson, Ltd. regarding an altered position for the K.S.180 unit and the supply of trial sets.
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Messrs.Rolls-Royce,Ltd., Date 4..1.29. Page 2 see the arrangement possible. In connection with the K.S.180 installation, your Technical Production Department recently communicated with us, showing an…
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Scan146 |
Letter to H. M. Hobson Ltd. regarding the modification and return of three petrol gauges.
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X 6038 Ha/Rm3/LG. 4th. Jan. 1929. Messrs. H. M. Hobson Ltd., 47-55 Acton Vale, London W.3. Dear Sirs, For the attention of Major Searight. With reference to your letter of the 1st. inst. we regret…
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Scan147 |
Letter from H.M. Hobson Ltd. regarding the replacement of gauge and tank units and the supply of a new air line assembly.
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CONTRACTORS TO THE ADMIRALTY, WAR OFFICE, AIR MINISTRY AND TO THE DOMINION & FOREIGN GOVERNMENTS. PLEASE ADDRESS ALL COMMUNICATIONS TO THE FIRM, NOT TO INDIVIDUALS. TELEPHONE: CHISWICK 4231 (4 LINES).…
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Scan148 |
Charges from H. M. Hobson, Ltd. for telegauges on 20 HP Chassis.
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Hs/Rm. x 4038 G/WFH/CA32/ES.8.1.29. Further to our recent memos. regarding H. M. Hobson, Ltd.'s charges for telegauges. As requested we attach hereto list of gauges received from January 1928 onwards…
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Scan149 |
List detailing the allocation and delivery of Telegauge units to various orders during 1928.
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1 Telegauge to our BP. LF.924/5 for GYL-2, delivered in January, 1928. 1 " " F.55474 (ordered for GFN-6 but fitted to GFN-21) delivered 19.10.28. 1 " fitted to Tank for (12-G-4?) (delivered 4.12.28.)…
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Scan150 |
Letter to H.M. Hobson Ltd. regarding a proposed 3-branch tank unit head casting.
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X4038. Hs/RM4/LG. Expl: Dept: 11th. Jan. 1928. Messrs. H.M.Hobson Ltd., 47-55 Acton Vale, London W.3. Dear Sirs, For the attention of Major Searight. Wethank you for your letter ref. TBS/MW. of the…
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Scan151 |
Letter from H.M. Hobson Ltd. detailing the dispatch of tank units and air lines.
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CONTRACTORS TO THE ADMIRALTY, WAR OFFICE, AIR MINISTRY AND TO THE DOMINION & FOREIGN GOVERNMENTS. PLEASE ADDRESS ALL COMMUNICATIONS TO THE FIRM, NOT TO INDIVIDUALS. TELEPHONE: CHISWICK 4231. (4…
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Scan152 |
Letter explaining test findings and design considerations for a fuel pump and tank unit gauge system.
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Messrs. Rolls-Royce, Ltd., Date 14.1.29. Page 2 or two, as soon as they are completed. We thought you would like to have the rest of the material in advance. Perhaps you would be good enough to…
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Scan153 |
Technical memo discussing the design and performance of a pump, its efficiency, and mounting options.
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Messrs. Rolls-Royce Ltd., Date 14.1.29. Page 3 without any valve in it, and not draw petrol up into the line. The volumetric efficiency of the pump may not be quite complete, but sufficient air is…
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Scan154 |
The final page of a letter from H.M. Hobson, Ltd., signed by the Joint Managing Director.
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Messrs.Rolls-Royce,Ltd., Date 14.1.29. Page 4 to alter the datum as at present established. Assuring you at all times of our best attention, Yours faithfully, H.M.HOBSON,Ltd., F.P.Searight Joint…
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Scan155 |
Letter to H.M. Hobson Ltd. regarding the modification of gauges and the covering of unsightly pipes.
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44038 Expl: Dept: Hs/Rm5/LG. 14th. Jan. 1929. Messrs. H.M. Hobson Ltd., 47-55 Acton Vale, London W.3. Dear Sirs, For the attention of Major Searight. We have today despatched to you the 40/50 HP. tank…
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Scan156 |
Instructions and advice regarding the correct usage of a Hobson Petrol Gauge.
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To Mx. From Hs/Rm. X4038 Hs/Rm2/LG15.1.29 HOBSON PETROL GAUGE. X8460 With reference to Mx/McM10/T7.1.29. We think the instructions in the label are quite good. We think however you should state…
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Scan157 |
Confirming payment for one gauge and another item, while disputing payment for a second gauge.
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X4038 G/WFH. from Hs/Rn. Hs/Rn2/T16.1.29. Your G/WFH/CA32/ES8.1.29 We have carefully gone into the matter of these gauges and have found one 20 H.P. gauge to KS.155. we therefore agree to payment…
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Scan158 |
Letter to Major Searight regarding a parts shortfall for K.S.180 gauges and a payment dispute for K.S.155 gauges.
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X 4038 Hs/Fm3/T. 16th January, 1929. Major Searight, 47-55 Acton Vale, W.3. Dear Sir, We thank you for your TPS/MW. of the 14th inst. We have received the three K.S.180 gauges which we sent you for…
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Scan159 |
Continuation page of a letter mentioning running on the continent.
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-2- Contd. type running on the continent but no very hot weather has been experienced as yet. Yours faithfully, FOR ROLLS-ROYCE LIMITED.
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Scan160 |
Letter from H.M. Hobson Ltd. regarding the design and modification of a 40/50 HP tank and gauge.
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CONTRACTORS TO THE ADMIRALTY, WAR OFFICE, AIR MINISTRY AND TO THE DOMINION & FOREIGN GOVERNMENTS. PLEASE ADDRESS ALL COMMUNICATIONS TO THE FIRM, NOT TO INDIVIDUALS. TELEPHONE: CHISWICK 4231. (4 LINES)…
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Scan161 |
Letter from H.M. Hobson, Ltd. regarding a trial fitment of a unit and potential body interference.
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Messrs. Rolls-Royce, Ltd., Date 16.1.29 Page 2 we propose to fit up as a trial on the unit we are fitting to the tank which you have sent us, we shall be obliged if you will let us know of any body…
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Scan162 |
Letter to H.M. Hobson Ltd. discussing K.S. tank and filter unit fitment, querying the insistence on a precise dashboard angle.
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.X4038 Expl: Dept: Hs/Rn2/LG. Jan. 17th. 1928. Messrs. H.M.Hobson Ltd., 47-55 Acton Vale, London W.3. Dear Sirs, For the attention of Major Searight. With reference to yours of the 16th.inst. We do…
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Scan163 |
Requesting a scheme showing coachwork overhang to accommodate a K.S. Petrol Gauge unit and cover.
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To DA/EV. from Hs/Rm. X4038 Hs/Rm1/LG17.1.29. K.S. PETROL GAUGE. X393 As you know, we have had to move this unit in the tank in order to allow for outside bodies. We are now trying to arrange for a…
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Scan164 |
Letter from H.M. Hobson, Ltd. regarding the supply and despatch of replacement gauges and pumps.
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X4038 CONTRACTORS TO THE ADMIRALTY, WAR OFFICE, AIR MINISTRY AND TO THE DOMINION & FOREIGN GOVERNMENTS. PLEASE ADDRESS ALL COMMUNICATIONS TO THE FIRM, NOT TO INDIVIDUALS. TELEPHONE: CHISWICK 4231 (4…
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Scan165 |
Page two of a letter from H.M. Hobson, Ltd. regarding a credit note for a gauge and the performance of a K.S.180 set.
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Messrs. Rolls-Royce, Ltd., Date 18.1.29. Page 2 that you should have trouble with regard to these, and to clear the matter with your Accounts Department, we are forwarding them a credit-note for the…
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Scan166 |
Moved back position of the K.S. Gauge on the tank in relation to the maximum body size.
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Hs/Rm. from DA/EV. X4038 DA/EV2/M21.1.29. RE. K.S. GAUGE. X.4038 X.7830 Thank you for Hs1/Rm/LG17.1.29. re. the above. If you refer to our N.sch.2780 (size V) you will see the new moved back position…
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Scan167 |
Report request regarding K.S. petrol telegauge failures due to vapour condensation in specific weather conditions.
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X4038 Expl: Dept: Messrs. Rolls-Royce Ltd., Derby. 21st. Jan. 1929. X 8992 Hotel Octobon, Le Canadel, Par le Lavandou, Var, France. Mr. Dodd from Hs/Rn. K.S. TELEGAUGES. We are anxious to have a…
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Scan168 |
Correspondence with H. M. Hobson Ltd. regarding hand pumps, a tank unit, and a K.S. telegage.
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X9038 Expl: Dept: HS/WML/LG. 21st. Jan. 1929. Messrs. H. M. Hobson Ltd., 47-58 Acton Vale, London W.3. Dear Sirs, For the attention of Major Searight. With reference to your letter of the 18th. inst.…
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Scan169 |
Letter from H.M. Hobson Ltd. discussing a delay in designing a new top plate due to staff illness.
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14038 CONTRACTORS TO THE ADMIRALTY, WAR OFFICE, AIR MINISTRY AND TO THE DOMINION & FOREIGN GOVERNMENTS. TELEPHONE: CHISWICK 4231 (4 LINES). TELEGRAMS: "ASSEMBLAGE, LONDON". PLEASE ADDRESS ALL…
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Scan170 |
Letter from H.M. Hobson, Ltd. discussing angular tolerances and adjustments for a special gauge.
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Messrs.Rolls-Royce,Ltd., Date 22. 1. 29. Page 2 from the vertical is a small one, then quite wide tolerances are permissible without appreciably affecting accuracy, that is to say, up to 10° a…
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Scan171 |
The receipt and testing of experimental gauge parts from Messrs. Hobson, and the associated covering order and price.
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X4088 To G/WFH. from Hs/Rm. c. to ROY. Hs/Rm2/LG23.1.29. With reference to your G/WFH/CALO/ES22.1.29. We have received the parts in question. All the parts with the suffix 'P' denote an experimental…
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Scan172 |
Letter from H.M. Hobson, Ltd. discussing the hand pump for the Hobson K-S Telegage.
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X40381 CONTRACTORS TO THE ADMIRALTY, WAR OFFICE, AIR MINISTRY AND TO THE DOMINION & FOREIGN GOVERNMENTS. PLEASE ADDRESS ALL COMMUNICATIONS TO THE FIRM, NOT TO INDIVIDUALS. TELEPHONE: CHISWICK 4231 (4…
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Scan173 |
Fuel gauge system discussing hand pumping, gauge lag, and different pump types.
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Messrs.Rolls-Royce,Ltd., Date 23.1.29. Page 2 reading feature of our gauge. (2). This precludes the introduction of hand pumped air at the top of the tank unit, or at any point above datum level,…
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Scan174 |
Letter from H.M. Hobson, Ltd. discussing spring-loaded or positive pump options.
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Messrs.Rolls-Royce,Ltd., Date 23.1.29. Page 3 if necessary, either a spring loaded or positive pump could be used. We apologise for writing at this length, but we have put down the various points…
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Scan175 |
Letter from H.M. Hobson Ltd. regarding a discrepancy in a petrol tank gauge seating compared to drawing L.F.1220.
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+9038 CONTRACTORS TO THE ADMIRALTY, WAR OFFICE, AIR MINISTRY AND TO THE DOMINION & FOREIGN GOVERNMENTS. TELEPHONE: CHISWICK 4231 (4 LINES). TELEGRAMS: "ASSEMBLAGE, LONDON". PLEASE ADDRESS ALL…
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Scan176 |
The second page of a letter from H.M. Hobson, Ltd. regarding the return of an item.
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Messrs. Rolls-Royce, Ltd., Date 26. 1. 29. Page 2 hope to let you have it back one day next week. Assuring you at all times of our best attention, We remain, dear Sirs, Yours faithfully, H.M. HOBSON,…
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Scan177 |
Disposal of two 40/50-HP Telegauges and one 20-HP ditto.
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Hs/Rm. X9038 ROY/MS11/P26.1.29. CONTINUED. At the same time we would point out that RHC's Dept. have informed Wd. that they have for disposal two 40/50-HP Telegauges complete with pipe line and…
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Scan178 |
Querying the delivery status and completeness of an order for tank units and air lines from Messrs Hobsons.
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X4038 HB/Rm. ROY/MS11/P.26.1.29. With reference to memo Hs/Rm2/LG.23.1.29, requesting that an order be sent to Messrs Hobsons. The position so far as the Order Office is concerned is somewhat…
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Scan179 |
Modifications to fuel tank gauges and units, and their suitability for production.
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X4036 To ROY. from Hs/Rn. Hs/Rm3/LG23.1.29. With reference to ROY/MS/P26.1.29. The position now should be quite clear. In the first place we have had three tank units modified because we have altered…
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Scan180 |
Letter to H.M. Hobson Ltd. enclosing a detail drawing of a 40/50 HP tank.
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Y4038 Expl: Dept: Hs/Rml/LG. 1st. Feb. 1929. Messrs. H.M.Hobson Ltd., 47-55 Acton Vale, London W.3. Dear Sirs, For the attention of Major Searight. We send you herewith detail drawing of the 40/50 HP.…
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Scan181 |
Design, sourcing, and features of a framed instrument panel.
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Sg. from DA/EV. c. to EY. Hs. X4038 DA/EV3/M5.2.29. X.7530 X.5830 RE. FRAMED PATCH OF INSTRUMENTS. X.4038 Thank you for your SG17/M31.12.28. & SG19/M29.1.29 re. the above. We were aware that a sample…
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Scan182 |
Letter from H.M. Hobson, Ltd. acknowledging receipt of a letter and a drawing for a 40/50 HP tank.
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X9038 CONTRACTORS TO THE ADMIRALTY, WAR OFFICE, AIR MINISTRY AND TO THE DOMINION & FOREIGN GOVERNMENTS. PLEASE ADDRESS ALL COMMUNICATIONS TO THE FIRM, NOT TO INDIVIDUALS. TELEPHONE: CHISWICK 4231 (4…
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Scan183 |
Letter from H.M. Hobson Ltd. confirming the return of a modified petrol tank fitted with a three-connection unit and cover.
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X4038 CONTRACTORS TO THE ADMIRALTY, WAR OFFICE, AIR MINISTRY AND TO THE DOMINION & FOREIGN GOVERNMENTS. PLEASE ADDRESS ALL COMMUNICATIONS TO THE FIRM, NOT TO INDIVIDUALS. TELEPHONE: CHISWICK 4231 (4…
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Scan184 |
Letter from H.M. Hobson, Ltd. concerning the arrangement of pump set connections.
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Messrs.Rolls-Royce,Ltd., Date 7.2.29. Page 2. The arrangement can be used in conjunction with either of the pump sets which we have sent you previously. As shown on your drawing L.F.1222, we have…
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Scan185 |
The design of the SS Instrument Board, including incorporating a K.S. gauge and changing dial colours to meet sales feedback.
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SG. from DA/EV. c. to Wor. BY. C. c. to ROY. Hs. +4038 DA/EV2/M12.2.29. SS' INSTRUMENT BOARD. X.7530 X.4038 Referring to our conversation on Friday morning last re. SS. instrument board we agree to…
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Scan186 |
Revisions to framed instruments, modifications to the K.S. gauge, and changing the outer frame material to brass.
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To BY. from DA. c. to SG. Hs. 49035 DA7/M21. 2. 29. X. 7530 S.S. FRAMED INSTRUMENTS. X. 4038 Herewith we send N.sch.2836 shewing the revised framed instruments containing the K.S. gauge and the green…
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Scan187 |
The telegage for the 40/50 HP 'J2' series chassis, advising that parts cannot be ordered pending final design modifications.
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To ROY. from Hs/AJL. X4038 Hs/AJL1/LG30.2.29. 40/50 HP. CHASSIS 'J2' SERIES. With reference to ROY/Msl/P19.3.29. The telegage for use on the above series is the K.S.180P. consisting of a dashboard…
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Scan188 |
Standardization and operation of the K.S. petrol gauge on the first 50 SS chassis.
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To BY. from Hs/Rm. Hs/Rml./LGl. 3.29. c. to Wor. MX. 74036 c. to Da. K.S. PETROL GAUGE. The K.S. petrol gauge will be standardised on the first 50 SS. chassis. The form in which this gauge will be…
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Scan189 |
Fuel tank gauge, detailing production points and requesting a drawing.
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contd :- -2- delicate Bourdon gauge; the K.S. has no mechanical parts whatever to go wrong. We therefore think that we have got a better gauge than anything on the market. We are sending you herewith…
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Scan190 |
Progress on various vehicle modifications including shock dampers, exhaust systems, and couplings.
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Hs. from DA. 4663 DA2/M19.1.29. 'SS'. X.7770 X.4653 With reference to Hsl/T16.1.29, we are dealing with Item 3 - improved front shock dampers. 5 - improved exhaust system. 9 - modified brake…
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Scan191 |
Letter from H.M. Hobson Ltd. regarding the trial of a gauge with an auxiliary hand pump device.
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+4038 CONTRACTORS TO THE ADMIRALTY, WAR OFFICE, AIR MINISTRY AND TO THE DOMINION & FOREIGN GOVERNMENTS. PLEASE ADDRESS ALL COMMUNICATIONS TO THE FIRM, NOT TO INDIVIDUALS. TELEPHONE: CHISWICK 4231 (4…
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Scan192 |
Letter from H.M. Hobson Ltd. regarding a cover for a tank unit and an experimental pump sample.
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+4036 CONTRACTORS TO THE ADMIRALTY, WAR OFFICE, AIR MINISTRY AND TO THE DOMINION & FOREIGN GOVERNMENTS. PLEASE ADDRESS ALL COMMUNICATIONS TO THE FIRM, NOT TO INDIVIDUALS. TELEPHONE: CHISWICK 4231 (4…
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Scan193 |
Despatch of a petrol pipe cover to H.M. Hobson Ltd.
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To BP. from Hs/Rn. c. to Mt. Stores. X9038 Hs/Rn5/LG5.3.29. We are sending into the Stores for despatch to Messrs. H.M.Hobson Ltd., 47-55 Acton Vale, London W.3. - For the attention of Major Searight…
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