Rolls-Royce Archives

Rolls-Royce Experimental Archives: Box ExFiles\Box 135\4\        Box Selection

IdentifierEntry
scan0001 Letter to Goodyear Tyre & Rubber Co. declining further tests on their belts.
View original record 1/25 Experimental Dept. Rm/Std.5/MH. 10th. January 1939. Messrs. Goodyear Tyre & Rubber Co., WOLVERHAMPTON. For the attention of Mr. W.E.Barton. Dear Sirs, We thank you for your letter of 21st. ult.,…

scan0002 Letter to Ferodo Ltd. regarding a measurement discrepancy on a V.165 belt mould, concluding the matter is closed.
View original record 1135 Experimental Dept. Rm/Std.2/MH. 12 th. January 1939. Messrs. Ferodo Ltd., CHAPEL-EN-LE-FRITH. For the attention of Mr. Longley. Dear Sirs, We thank you for your letter of Dec. 30th. and note the…

scan0003 Letter to Gates Rubber Co. Ltd. regarding the successful testing of a Ferogrip fan belt.
View original record 1135 Experimental Dept. Rm/Std.5/MH. 12th. January 1939. Messrs. Gates Rubber Co. Ltd., Denver, Colorado, U.S.A. For the attention of Mr. Winser. Dear Sirs, Referring to your letters of Oct. 27th. and…

scan0004 Sourcing of fan belts for the Paulin Continental Bentley car.
View original record 1135 To By/Ald. from Rm/Std. c. HPS/WSC. c. By/NS. FAN BELTS FOR PAULIN CONTINENTAL BENTLEY CAR. By/Ald. has instructed a special lowered fan to suit above car and a suitable belt EXS.1375. To obtain…

scan0005 Internal request to send an official order to Ferodo Ltd for 3 Ferogrip fan belts.
View original record 1/35 To Roy. from Rm/FJH. c. G/JWH. Rm/FJH.3/MH.26.1.39. Will you please send an official order to Messrs. Ferodo Ltd. for 3 Ferogrip fan belts from their mould V.115. We already have these belts as…

scan0006 Order of Ferogrip fan belts from Messrs. Ferodo Ltd.
View original record 1/35 To Roy. from Rm/FJH. c. G/JWH. Rm/FJH.2/MH.3.2.39. Will you please order from Messrs. Ferodo Ltd., the following Ferogrip fan belts:- 6 off EB.3927. 6 off EB.3948. O/N. 52469. Rm/FJH.

scan0007 Letter from The Gates Rubber Company discussing a fan belt drive problem and proposing competitive testing.
View original record 1135 The GATES RUBBER COMPANY Sales Division, Inc. CABLE "GATES" DENVERCOLO, U. S. A. Denver, Colorado February 14, 1939 Rolls-Royce Ltd. Experimental Department Derby, England Attention Mr. C. S.…

scan0008 Confirming the despatch of a Phantom III Fan blade set to Messrs. Ferodo Ltd. for the attention of Mr. Longley.
View original record 1135 To Hd/FC. c. to D/BP. Rm/ABR.4/JH.18.3.39. Herewith one P.III Fan blade set for despatch to Messrs. Ferodo Ltd., Chapel-en-le-Frith.,to be addressed for the attention of Mr. Longley. Rm/ABR.

scan0009 Letter from Ferodo Limited regarding the return and testing of two fans and a belt.
View original record 1135 All Communications to be addressed to the Company. FERODO LIMITED TELEPHONE: 250 CHAPEL-EN-LE-FRITH (6 LINES). TELEGRAMS: FRICTION, PHONE, CHAPEL-EN-LE-FRITH. FERODO BRAKE & CLUTCH LININGS REG'D…

scan0010 Requesting the despatch of two Ph.III fans to Ferodo Ltd. for destructive testing.
View original record 1135 + 324 To Hd/FC. from Rm/FJH. c. D/BP. Rm/FJH.9/MH.3.4.39. Will you please despatch to Messrs. Ferodo Ltd., Chapel-en-le-Frith, for the attention of J.N.Longley, Esq., the two Ph.III fans which we…

scan0011 Letter to Ferodo Ltd. regarding the failure of a fan due to incorrect blade material and the dispatch of replacements.
View original record 1135 Experimental Dept. Rm/FJH.8/MH. 3rd. April, 1939. Messrs. Ferodo Ltd., Chapel-en-le-Frith, STOCKPORT. For the attention of J.N.Longley, Esq. Dear Sirs, We have examined the 20" fan which failed…

scan0012 Crack test on a fan spider component.
View original record 1135 To HPS. c. to HPS/AS. Rm/Ed.11/JH.13.4.39. FAN. Will you please crack test the fan spider handed to HPS/AS. by Rm/ABR. Rm/Ed.

scan0013 Letter to Ferodo Ltd. about altering a belt's length and requesting their nearest standard size.
View original record 1135 EXPERIMENTAL DEPARTMENT. Rm/Ed.5/JH. 28th. April, 1939. Messrs. Ferodo Ltd., Chapel-en-le-Frith. For the attention of Mr. Longley. Dear Sirs, With regard to the belt to mould V.100 piece number…

scan0014 Letter from Ferodo Limited discussing the nearest available Ferogrip belt moulds for part number EB.4844 following a design change.
View original record All Communications to be addressed to the Company 1135 FERODO LIMITED TELEPHONE: 250 CHAPEL-EN-LE-FRITH (6 LINES) TELEGRAMS: FRICTION, PHONE, CHAPEL-EN-LE-FRITH. FERODO REGD. TRADE MARK. BRAKE &…

scan0015 Letter to Ferodo Ltd. regarding an order for mould V. iii standard belt sizes.
View original record 1135 Rm/ED 5/ER Your refL GSS/MP. 1st May, 1939. Ferodo Ltd., Chapel-en-le-Frith, Stockport. EXPERIMENTAL DEPARTMENT. For the attention of Mr Iliffe. Dear Sirs, Many thanks for your letter of the 29th…

scan0016 Letter from Ferodo Limited regarding the collapse of a Duralumin-bladed fan during testing.
View original record 1135 All Communications to be addressed to the Company. FERODO LIMITED TELEPHONE: 250 CHAPEL-EN-LE-FRITH TELEGRAMS: FRICTION, PHONE, CHAPEL-EN-LE-FRITH. FERODO BRAKE & CLUTCH LININGS CODES: WESTERN…

scan0017 Letter from Ferodo Limited regarding the return of a collapsed Duralumin bladed fan.
View original record 1135 All Communications to be addressed to the Company FERODO LIMITED TELEPHONE: 250 CHAPEL-EN-LE-FRITH TELEGRAMS: FRICTION, PHONE, CHAPEL-EN-LE-FRITH. FERODO BRAKE & CLUTCH LININGS…

scan0018 Request to replace a fractured fan blade for a Ferodo test rig.
View original record 1135 To HPS. Rm/Ed.7/JH.12.5.39. FANS FOR FERODO TEST RIG. Will you please replace the fractured blade on the fan handed to HPS/WSC. This new blade should not be black enamelled and when completed the…

scan0019 Letter to Ferodo Ltd. regarding the repair of a fractured fan and a test on variable speed fan pulleys.
View original record 1135 EXPERIMENTAL DEPARTMENT. Rm/Ed.9/JH. 12th. May, 1939. Messrs. Ferodo Ltd., Chapel-en-le-Frith. For the attention of Mr. Longley. Dear Sirs, Many thanks for your letter, and the fractured fans…

scan0020 Letter to Ferodo Ltd. about an issue with V.111 belts being too long and proposing an exchange for V.155 belts.
View original record 1135 EXPERIMENTAL DEPARTMENT. Rm/Ed.6/JH. 15th. May, 1939. Messrs. Ferodo Ltd., Chapel-en-le-frith. For the attention of Mr. Longley. Dear Sirs, With reference to your letter of the 29th. ult. we find…

scan0021 Letter from Ferodo Limited regarding a repaired fan and an adjustable diameter pulley.
View original record 1135 All Communications to be addressed to the Company. FERODO LIMITED TELEPHONE: 250 CHAPEL-EN-LE-FRITH TELEGRAMS: FRICTION, PHONE, CHAPEL-EN-LE-FRITH. FERODO BRAKE & CLUTCH LININGS REGD. TRADE MARK.…

scan0022 Letter from Ferodo Limited arranging the exchange of incorrectly sized Ferogrip belts.
View original record 1135 All Communications to be addressed to the Company. FERODO LIMITED TELEPHONE: 250 CHAPEL-EN-LE-FRITH (6 LINES) TELEGRAMS: FRICTION, PHONE, CHAPEL-EN-LE-FRITH. FERODO REGD. TRADE MARK BRAKE &…

scan0023 Letter to Ferodo Ltd. regarding fans, adjustable diameter pulleys and the use of their fan rig for testing.
View original record 1135 EXPERIMENTAL DEPARTMENT. Rm/Ed.12/JH. 17th. May, 1939. Messrs. Ferodo Ltd., Chapel-en-le-Frith. For the attention of Mr. Longley. Dear Sirs, Many thanks for your letter of the 15th. inst. and…

scan0024 Letter to Ferodo Ltd. regarding the return of 3 belts and a request for replacements.
View original record 1135- EXPERIMENTAL DEPARTMENT. Rm/Ed.4/JH. 18th. May, 1939. Messrs. Ferodo Ltd., Chapel-en-le-Frith. For the attention of Mr. Sutcliffe. Dear Sirs, Many thanks for your letter of the 16th. May, we are…

scan0025 Internal request to order six B.80 fan belts from Ferodo Ltd.
View original record 1135 To Roy. c. to G/JWH. Rm/Ed.7/JH.20.5.39. B.80 Fan belts. Will you please order six fan belts to EB.4202 from Messrs. Ferodo Ltd. for use on the above units. Rm/Ed.

scan0026 Letter from Ferodo Limited concerning belt angles, friction coefficients, and test results for expanding and contracting pulleys.
View original record 1135 All Communications to be addressed to the Company FERODO LIMITED BRAKE & CLUTCH LININGS CHAPEL-EN-LE-FRITH, STOCKPORT, ENGLAND. TELEPHONE: 250 CHAPEL-EN-LE-FRITH TELEGRAMS: FRICTION, PHONE,…

scan0027 Specifications for belt and pulley angles on B.60 and B.80 engines.
View original record 1135 & 10HH To By/CS. Rm/Ed.17/JH.25.5.39. B.60 & B.80 Pulleys. We have been over the belt and pulley angles on the above engines, and find that these should be as under, dimensions being taken from…

scan0028 Requesting the production of two sets of dynamo pulleys with specific dimensions and material requirements.
View original record -2- Rm/Ed.17/JH.25.5.39. Dynamo. 3.75" diam. Pulley angle 26°, top width .625". Depth .450". We should be glad if you would draw out 2 sets of pulleys to the above dimensions, one set to be in the…

scan0029 Letter from Ferodo Limited regarding the supply of belts and an attached credit note for returned items.
View original record 1135 All Communications to be addressed to the Company. FERODO LIMITED TELEPHONE: 250 CHAPEL-EN-LE-FRITH (6 LINES) TELEGRAMS: FRICTION, PHONE, CHAPEL-EN-LE-FRITH. FERODO REGD. TRADE MARK. BRAKE &…

scan0030 Proposal for a variable pitch fan pulley system to address excessive fan noise.
View original record 1135 10HH To By/Ald. Rm/Ed.1/JH.6.6.39. Variable pitch fan pulleys. In view of the excessive fan noise experienced on W.80, we feel that a scheme for a variable pitch fan pulley might be helpful. We…

scan0031 Requesting an official order for an experimental B.80 belt from Ferodo Ltd.
View original record 11/86 JWH To Roy. c. to G/JWH. Rm/Ed.5/JH.24.6.39. B.80 Belt(O/N.52439) Will you please pass an official order to Messrs. Ferodo Ltd. for one belt ordered over the telephone by Rm/Ed. This is an…

scan0032 Letter from Ferodo Limited regarding various fan belt specifications in response to a request.
View original record 1135 All Communications to be addressed to the Company. FERODO LIMITED FERODO REGD. TRADE MARK BRAKE & CLUTCH LININGS CHAPEL-EN-LE-FRITH, STOCKPORT, ENGLAND. TELEPHONE: 250 CHAPEL-EN-LE-FRITH…

scan0033 Letter from Ferodo Limited regarding the examination and testing of three fan belts.
View original record All Communications to be addressed to the Company. FERODO LIMITED BRAKE & CLUTCH LININGS REGD. TRADE MARK. CHAPEL-EN-LE-FRITH, STOCKPORT, ENGLAND. TELEPHONE: 250 CHAPEL-EN-LE-FRITH TELEGRAMS:…

scan0034 Letter to Messrs. Ferodo Ltd. regarding the despatch of a dynamo and pulley for testing Ferogrip belts.
View original record 1135 EXPERIMENTAL DEPARTMENT. Rm/Ed.15/JH. 20th. July, 1939. Messrs. Ferodo Ltd., Chapel-en-le-Frith. For the attention of Mr. Shelton. Dear Sirs, Further to our conversation of a few weeks ago, we…

scan0035 Letter from Ferodo Limited regarding the dispatch of a dynamo and belts for drawing E.56204.
View original record 1135 All Communications to be addressed to the Company. FERODO LIMITED FERODO BRAKE & CLUTCH LININGS CHAPEL-EN-LE-FRITH, STOCKPORT, ENGLAND. TELEPHONE: 250 CHAPEL-EN-LE-FRITH TELEGRAMS: FRICTION,…

scan0036 Requesting the manufacture of a set of cast iron pulleys for testing the effects of out of balance forces.
View original record / 1135 To HPS. from Rm/Ed. c. HPS/RH. c. Rm/ABR. Rm/Ed.14/MH.22.8.39. I/C PULLEYS. Will you please make up a set of cast iron pulleys machined only in the V-groove and on the boss, all other faces…

scan0037 Letter to Ferodo Ltd. regarding B.155 belts being too short and enquiring about progress on a dynamo and pulley rig.
View original record 1135 EXPERIMENTAL DEPARTMENT. Rm/Ed.9/JH. 22nd. August, 1939. Messrs. Ferodo Ltd., Chapel-en-le-Frith. For the attention of Mr. Shilton. Dear Sirs, We thank you for your letter of the 21st. ult and…

scan0038 Requesting a design for a sample blade for a variable pitch fan to investigate manufacturing possibilities.
View original record 1135 TO By/Ald. Rm/Ed.1/JH.22.8.39. Variable Pitch Fan. Will you please scheme out a sample blade for a variable pitch fan as discussed with Rm/Ed. It is intended to investigate the manufacturing…

scan0039 Requesting the manufacture of a modified B.80 fan with a zero blade angle at the tip.
View original record 1135 & 1DHH To HPS. c. to HPS/RH. c. to Rm/ABR. Rm/Ed.8/JH:22.8.39. Fans. Will you please make up a B.80 fan with the tips of the blades in the plane of rotation. The root of the blades should be…

scan0040 Correct size for Ferogrip Fan Belts on a 25 HP chassis.
View original record 1135 To Les. Rm/Ed.3/JH.22.8.39. Ferogrip Fan Belts for 25 HP. chassis. E.56204. We have tried the V.155 fan belts on three chassis in the repair department, and find that they are too short. We…

scan0041 Letter from Ferodo Ltd discussing fan belt suitability and test results for a triangulated drive.
View original record 1/35 FERODO LTD CHAPEL-EN-LE-FRITH STOCKPORT ENGLAND Telephone CHAPEL-EN-LE-FRITH 250 (7 lines) Telegrams FRICTION PHONE CHAPEL-EN-LE-FRITH TECHNICAL DEPT. 23rd August, 1939 Rm/Ed.9/JH. WES/PW.…

scan0042 Letter to Ferodo Ltd. regarding the testing of a V.114 belt and postponing a visit due to the international situation.
View original record 1135 Experimental Dept. Rm/Ed. 5/MH. 25th. August, 1939. Messrs. Ferodo Ltd., Chapel-en-le-Frith, STOCKPORT. For the attention of Mr. Shilton. Dear Sirs, Many thanks for yours of the 23rd. instant,…

scan0043 Letter from supplier Ferodo Ltd concerning fan belt slip and a fractured fan.
View original record 1135 FERODO LTD CHAPEL-EN-LE-FRITH STOCKPORT ENGLAND Telephone CHAPEL-EN-LE-FRITH 250 (7 lines) Telegrams FRICTION PHONE CHAPEL-EN-LE-FRITH TECHNICAL DEPT. EDWARDS 31st August, 1939. WES/EBW. Rm/Ed.…

scan0044 Two photographic views of a belt-driven fan and dynamo test rig assembly.
View original record ",

scan0045 Two work features: fan noise and improvement in 8-cylinder engine mounting.
View original record 1135 + 10HH + 1124 To Rm/FD. c. to Rm/Wym. Rm.6/JH.15.12.39. files 10HH + 1022. Two features not mentioned in your list of work going on are :- (1) Fan noise. (2) Improvement in 8 cyl. engine mounting…

scan0046 Letter to Ferodo Ltd. regarding the resumption of collaborative experimental work on a triangular belt during the war.
View original record File 11/35 Rm/Ed.6/GH.19.1.40. 19th January 1940. Messrs. Ferodo Ltd., Chapel-en-le-Frith, STOCKPORT. Dear Sirs, FOR THE ATTENTION OF MR. SHILTON. --------------------------------- We are resuming…

scan0047 Letter to Messrs. Ferodo Ltd. arranging a visit for Mr. Shilton to see Mr. Edwards.
View original record File 11/35 Rm/Ed.2/GH.25.1.40. 25th January 1940. Messrs. Ferodo Ltd., Chapel-en-le-Frith, Stockport. Dear Sirs, FOR THE ATTENTION OF MR. SHILTON. ------------------------------ Many thanks for your…

scan0048 Suggesting a study of American fan construction methods to reduce costs.
View original record 1135 file Rm/Edwards. c. Rm/COL. Rm.3/ML.25.2.40. Our fan construction, though reliable, appears to me to be somewhat costly. I think we should study the methods of construction of up-to-date American…

scan0049 Design challenges and potential improvements for rubber-mounted fan blades.
View original record 1135 To Rm/Ed. c. to Rm. Jnr.1/JH.6.3.40. Rubber Mounted fan blades. Herewith print of PL.143 shewing how we have progressed with your ideas, I feel it has become complicated owing to our striving to…

scan0050 Discussions from a visit by Ferodo Ltd. regarding belts, test rigs and pulleys.
View original record 1135 Rm. o to Rm/Col. Rm/Ed.1/GH.9.3.40. re VISIT FROM FERODO LTD. A visit was paid to these works on the 7th instant by Mr. Shilton of Messrs. Ferodo Ltd. The following principal points were…

scan0051 Plan to test new crankshaft and fan pulleys and belts, noting potential overheating issues.
View original record - 2 - Rm/Ed.1/GH.9.3.40. Continued:- blanks, and we have promised to let Mr. Shilton have drawings of our crankshaft and fan pulleys. He has agreed to make up four sets of pulleys, two of which will…

scan0052 Postponing the design of a variable pitch fan due to other important commitments.
View original record 1135 file Jnr. c. Rm/Ed. Rm.7/ML.14.3.40. I think the design of the variable pitch fan will have to wait until we are clear of our other important commitments. Rm.

scan0053 The design and manufacturing process for rubber-mounted fan blades.
View original record Jnr. c to Rm. c to Rm/Col. Rm/Ed.3/GH.14.3.40. re RUBBER MOUNTED FAN BLADES. In reply to your Jnr.1/JH.6.3.40., we have gone over the print PL.143 and quite agree that the job appears to have become…

scan0054 Continued discussion on fan design, suggestions for stability, and analysis of test failures.
View original record - 2 - Continued:- An extra amount of lateral stability could also be obtained by copper brazing two flanges at the top and bottom of the cylindrical blade root and making this a fairly close fit…

scan0055 Alteration notice adding the overall pulley width and keyway width for a pulley and fan dynamo.
View original record TO R.M. File 123/RD 1135 28-3-40 360 SECTION 8070 RD 487 - PULLEY & FAN DYNAMO ALTERATION OVERALL WIDTH OF PULLEY & WIDTH OF KEYWAY ADDED REASON D.O. OMISSION

scan0056 Sending various types of pulleys to Ferodo Ltd. for wear and squeak testing.
View original record RH. c to Rm/Col. 1135 Rm/Ed.5/GH.29.5.40. re PULLEYS. ------------ We are anxious to send a set of, cast iron pulleys, pressed steel pulleys and aluminium pulleys made to the same drawings as the cast…

scan0057 Squeaking belt drives and the relative merits of pressed steel versus cast iron pulleys.
View original record Rm. c to Ev c to Rm/HH. c to RH. c to Rm/Ool. 1135 Rm/Ed.3/GH.29.3.40. Handwritten: RM/EP - we must send the Birch pulley as a sample to various firms / Les will give names / and get tool quotations…

scan0058 The feasibility of machining grooves in pressed steel pulleys and expressing skepticism about the process.
View original record - 2 - Continued:- It would, of course be possible to machine the grooves in pressed steel pulleys but only if they are held to relatively close limits in the early stages of their manufacture. We…

scan0059 Letter from Ferodo Ltd concerning the re-establishment of fan belt and pulley tests.
View original record 1135. FERODO LTD CHAPEL-EN-LE-FRITH STOCKPORT ENGLAND Telephone CHAPEL-EN-LE-FRITH 250 (7 lines) Telegrams FRICTION PHONE CHAPEL-EN-LE-FRITH TECHNICAL DEPT. 29th March, 1940 WES/ET. Rm / EDWARDS…

scan0060 Letter to Ferodo Ltd. regarding the specifications and supply of pulleys.
View original record Hy Belds. 1135 Rm/Ed.7/GH.3.4.40. 3rd April 1940. MESSRS. FERODO LTD. Chapel-en-le-Frith, Stockport, Dear Sirs, FOR THE ATTENTION OF MR. SHILTON. **************************** Many thanks for your…

scan0061 Page two of a letter discussing the readiness of a rig and a visit to see the commencement of tests.
View original record - 2 - Rm/Ed.7/GH.3.4.40. Continued:- As soon as the rig is ready for test, the writer would very much like to pay you a visit and see the commencement of the tests. Yours faithfully, for ROLLS-ROYCE…

scan0062 Letter from Ferodo Ltd regarding V. Belt tests.
View original record FERODO LTD CHAPEL-EN-LE-FRITH STOCKPORT ENGLAND Telephone CHAPEL-EN-LE-FRITH 250 (7 lines) Telegrams FRICTION PHONE CHAPEL-EN-LE-FRITH 1735 TECHNICAL DEPT. 4th April, 1940 Rm/Ed.7/CH.3.4.40. RAR/JM…

scan0063 Brief internal memorandum acknowledging a previous communication and expressing interest in test results.
View original record 1135 Rm/AA. c to Rm/Col. Belts Rm/Ed.6/GH.10.4.40. Many thanks for your Rm/AA.18/B.4.4.40. I am afraid I have no comments to offer as yet, but I should be very interested to know the results of the…

scan0064 Fan belt clearance issues for the Silver Phantom, Cresta, and Comet chassis.
View original record To. Rm c.c. EV c/c H.P.S. / R.H. c/c Rm / Clapham 1135 Rm/HH.5/ 17. 4. 40. B.80 Silver Phantom Cresta Comet PL. 187 Fan Belt Clearances In accordance with memo; Ev.1/JH. 8. 3. 40 We have made a…

scan0065 The 'Ripple Fan', indicating the project is on hold pending the arrival of a Studebaker Fan model.
View original record To. Rm. Rm/HH.1/ 18. 4. 40. [Handwritten] 1135 & .022 Re: Ripple Fan With reference to your memo: Rm/ED.1/GH.30/3/40 we are awaiting a model of the Studebaker Fan in order that we may proceed. Rm/HH.

scan0066 Prints for Fan and Crankshaft pulleys, and a request for costs to produce them as pressings.
View original record Les. 1135 Rm/Ed.6/CH.18.4.40. re PULLEYS. We are sending you herewith the following prints:- RE.805 - Fan Pulley. EB.4998 - Crankshaft Pulley. EB.4999 - Fan Pulley. Will you please arrange to obtain…

scan0067 Letter to Ferodo Ltd. regarding pulley wear, belt noise, and the potential use of sheet Bakelite for pulleys.
View original record Rm/Ed.4/CH.18.4.40. 18th April 1940. Messrs. Ferodo Ltd., Chapel-en-le-Frith, STOCKPORT. Dear Sirs, FOR THE ATTENTION OF MR. SHILTON. ------------------------------- Referring to the recent…

scan0068 Letter discussing the difficulty of changing a belt on an experimental car.
View original record - 3 - Rm/Ed.4/CH.M.4.40. Continued:- could be worn appreciably. It is unfortunately impossible to change the belt due to the design of the front end of the car which is purely experimental, without…

scan0069 Letter from Ferodo Ltd discussing the testing and performance of fabric pulleys for a belt drive.
View original record FERODO LTD CHAPEL-EN-LE-FRITH STOCKPORT ENGLAND Telephone CHAPEL-EN-LE-FRITH 250 (7 lines) Telegrams FRICTION PHONE CHAPEL-EN-LE-FRITH TECHNICAL DEPT. 29th April, 1940. Rm/Ed.4/GH.18.4.40. WES/ET.…

scan0070 Letter from Ferodo Ltd. regarding advised angles for belts on various pulley diameters.
View original record FERODO LTD TECHNICAL DEPT. Continuation Sheet No. 2 Messrs. Rolls-Royce Ltd. D E R B Y. With regard to the last paragraph of your letter, we take it that the pulleys in question are correct for belt…

scan0071 Letter to Ferodo Ltd. regarding tests on Bakelite and fabric pulleys and potential alternatives.
View original record Belts & Pulleys 1135 Fm/Ed.5/GH.S.P.40. 3rd May 1940. Messrs. Ferodo Ltd., Chapel-en-le-Frith. Dear Sirs, FOR ATTENTION OF MR. SHILTON. ------------------------- Many thanks for your letter of the…

scan0072 Letter confirming the resolution of a belt squeak issue by fitting a new belt.
View original record - 2 - Continued:- You will be interested to hear that with regard to the belt squeak which we were experiencing we have now fitted a new belt and since then have had no further trouble. Yours…

scan0073 Confirming the swap of water pumps and fans between cars 9.B.V. and 3.B.50.
View original record COPY. To HPS. from Rm/WYM. c. to HPS/RH. Rm/WYM.4/JMS.15.5.40. L. 11358-1269 9.B.V. and 3.B.50. Cars. Will you please note for your records that the water pumps and fans have been changed over on the…

scan0074 Letter from Ferodo Ltd discussing the manufacture of three fabric pulleys for testing purposes.
View original record FERODO LTD CHAPEL-EN-LE-FRITH STOCKPORT ENGLAND Telephone CHAPEL-EN-LE-FRITH 250 (7 lines) Telegrams FRICTION PHONE CHAPEL-EN-LE-FRITH TECHNICAL DEPT. 11385 4th May, 1940 Rm/Ed.5/GH.3.5.40. WES/ET.…

scan0075 Letter to Ferodo's Ltd. concerning a delay in supplying pressed steel pulleys, attributing the cause to Mr. Hitler.
View original record Pulleys 11385 Rm/Hd.9/CH.6.5.40. 6th May 1940. Messrs.Ferodo's Ltd., Chapel-en-le-Frith. Dear Sirs, FOR THE ATTENTION OF MR. SHILTON. --------------------------- Many thanks for yours of the 4th…

scan0076 Secret memo discussing fan belt clearance issues and proposed modifications for 8 Cylinder Senior Range cars.
View original record SECRET. 1135 To Rm. from Ev. c.c to Rm/HH. Ev.1/JH.20.5.40. Fan Belt Clearances - 8 Cyl. Cars. Senior Range. An endeavour has been made to increase the clearance for the removal of the fan belt on 8…

scan0077 Letter from FERODO LTD concerning tests on modified three-point fan drives and moulded fabric pulleys.
View original record FERODO LTD CHAPEL-EN-LE-FRITH STOCKPORT ENGLAND Telephone CHAPEL-EN-LE-FRITH 250 (7 lines) Telegrams FRICTION PHONE CHAPEL-EN-LE-FRITH 1135 TECHNICAL DEPT. 15th August 1940. WES/ET. File Messrs.…

scan0078 Letter to P. Atkins Co. Ltd. requesting the urgent supply of half-gallon cans for compressor oil for a priority Admiralty job.
View original record 1235 EXPERIMENTAL DEPARTMENT. Rm/CTS.2/ET. P. ATKINS CO. Ltd., Gypsyville, H U L L. Dear Sirs, We require urgently a number of half gallon cans, to contain say compressor oil, the stopper to be a good…

scan0079 Query regarding the fan drive ratio compared to a Buick, with the goal of reducing fan noise.
View original record Rm/Clm. From Rm. Handwritten: Fan - general, 1135 Rm.8/ML.29.10.40. I note that the fan drive ratio is almost 1/1 to reduce fan noise, on the Buick. What is our present figure? Rm.

scan0080 Fan drive ratios, with a comparative list of ratios from various car manufacturers.
View original record To Rm. FAN DRIVE RATIOS. ----------------- 1.1. On B-V the ratio is 0.8, and on cast iron engines this latter figure is identical with the 1938 Buick, which we copied. A large fan rotating slowly is…

scan0081 Measurement and analysis of Ferogrip belt angles when bent to the radii of pulleys.
View original record To:- Rm. from Rm/GB. c.c. EV. Rm/PJH. Rm/Col. Rm/HH. 1135- Rm/GB.1/RH.13.6.41. We have measured the included angle for the .920" x .5" x 42° V.165 Ferogrip belt when bent to the radii of the useful…

scan0082 Letter requesting recommendations for two fan drive belt applications for vehicles.
View original record 1135 29th July, 1941. Rm/GB.1/RH. Messrs. H. Brummer & Co., Ltd., 207, Kirkstall Road, L E E D S. 4. Dear Sirs, We have two belt applications for fan drives on vehicles. The peak H.P. is approximately…

scan0083 Urgent request to the Alum Foundry for three aluminium castings of a modified fan.
View original record To: Mr. Edwards, Alum Foundry. 1135 Rm/GB.1/RH.7.8.41. Mr. Bradley in the pattern shop has in hand the job of making a mock up pattern of a modified fan. (There is no part number to this). As soon as…

scan0084 Potential trial of a 'Proteca motor' air filter, weighing its effectiveness against potential induction restriction.
View original record TO HS. FROM DA/EV. Copy to SG. [Strikethrough] [Handwritten] XC4128 DA/EV2/M18.11.24. [Handwritten] XC4128 We send herewith a letter from SG., and some printed information concerning the…

scan0085 The 'Protectomotor' device, summarizing a test and proposing further evaluation.
View original record HS DA/Ev. (W.W) Sg11/BW/13.11.24. Re: "Protectomotor". Yesterday afternoon, I had a call from Mr. Vokes, who runs the 'Folberth' windscreen wiper, with a Representative of the 'Protectomotor'. The…

scan0086 Impracticality of fitting a 'Protectomotor' cleaning device to the existing carburetter design.
View original record CC4128 To SG. from Hs. c. to DA/EV. Hs6/LG20.11.24. *PROTECTOMOTOR* x2768 Owing to the fact that we have not a single air inlet on our carburetters and take air in through the extra air valve and…

scan0087 Forwarding a copy of a letter concerning a United Air Cleaner.
View original record X4128 To H. from BJ. c. to HS. BJ/Py3/D17.12.24. Re: United Air Cleaner. We attach hereto copy of letter Oy3-E-12924 of December the 9th, which has been received here this morning. BJ/Py. Att: 1.

scan0088 Letter discussing the forwarding of a United Air Cleaner for testing and potential application.
View original record Oy3-E-12924 December 9, 1924. Mr. Claude Johnson, Rolls-Royce, Ltd., London, England. (Copy for attention of Mr.F.H.Royce " " " " Mr.E.W.Hives) Dear Sir: Re United Air Cleaner We are forwarding to…

scan0089 Limited need for air cleaners in England.
View original record To CJ. from R. c. to BJ. Hs. X.3812. R4/M13.10.25. AIR CLEANERS. X.3812 Air cleaners are not much needed for England with our dustless roads, and we cannot fit all the devices that can be thought of,…

scan0090 Booklet on the 'how' and 'why' of air cleaning for automobiles by O. V. Greene.
View original record Y3812 The "HOW" and "WHY" OF Air Cleaning For Automobiles By O. V. GREENE File Issued by Air-Maze Corporation 1629 Union Trust Building Cleveland, Ohio New York Detroit Hy. RECEIVED FEB 8 1926

scan0091 Informational booklet and price list for Air-Maze automobile air cleaners.
View original record DODGE Price with fittings in U. S. east of Rocky Mountains $7.50 CHEVROLET Price with fittings in U. S. east of Rocky Mountains $7.50 We are also prepared to supply Air-Maze and fittings for: Ajax, in…

scan0092 The principles, types, and benefits of engine air cleaners, including fitting instructions for a specific model.
View original record It is quite apparent that the most desirable Air Cleaner for your car is one having a high, over-all efficiency, viz.: one having a high cleaning efficiency at all engine speeds; one which preserves…

scan0093 Promotional and informational leaflet from the Air-Maze Corporation about their automotive air filters.
View original record only a partial cleaning job is needed, viz.: In wood working plants, sand blast purposes, and similar use where only a rough extraction is required. You now have the “What,” “How” and “Why” of Air…

scan0094 Informational document comparing the efficiency and benefits of the Air-Maze air filter against whirler-type air cleaners.
View original record of air to the carburetor is only 800² divided by 4000² times .60 ounces or .024 (twenty-four thousandths) ounces—an amount so small that it has no practical effect on the carburetor action whatever.…

scan0095 Explaining the features and advantages of the Air-Maze filter compared to other types.
View original record The resistance of the different filter cleaners varies over a wide range; the felt filters restricting the most in this respect, and requiring readjustment of the carburetor fuel supply in order to…

scan0096 Explanation of the 'baffling impingement' principle and the construction and function of an Air-Maze filter.
View original record nostrils are oiled or moistened naturally to increase their dust binding effect. To revert to the “baffling impingement” principle: there is a way of applying this principle, which produces maximum…

scan0097 Missing print related to air cleaners.
View original record To R. from BJ. c. to Hs. Hs. Y3812 BJ/Py4/D19.10.25. Re: Air Cleaners. We attach hereto a copy of Oy5-E-10725 of October the 7th regarding the above. The print referred to on page 2, however, was not…

scan0098 Letter arguing for the necessity of fitting air cleaners to cars due to engine wear from dirt roads.
View original record Oy5-E-10725 October 7th, 1925. Mr. Claude Johnson, Rolls-Royce, Ltd., London, England. (Copy for attention of Mr.Royce " " " " Mr.Hives) Dear Sir: Re Air Cleaners We believe that it will become…

scan0099 Letter proposing modifications to the 'New Phantom' carburetter, silencer, and air cleaner.
View original record Oy5-E-10725 -2- October 7, 1925. In view of this condition we would like to alter the "New Phantom" carburetter somewhat as shown in the attached print, so that the aluminum silencer feeds air to both…

scan0100 Cover letter regarding an enclosed print concerning Air Cleaners.
View original record To R. from BJ. c. to Hs. Hs. X5812 BJ/Py1/D24.10.25. Re: Air Cleaners. Further to our letter of the 19th inst., the print referred to therein has now come to hand and we enclose a copy herewith.…

scan0101 Follow-up letter to Mr. Claude Johnson enclosing a previously omitted attachment regarding Air Cleaners.
View original record Oy7-E-101525 October 15, 1925. Mr. Claude Johnson, Rolls-Royce, Ltd., London, England. (Copy for attention of Mr. Royce " " " " Mr. Hives) Re Air Cleaners. Dear Sir: Referring to our letter of October…

scan0102 Letter from R. A. Rothermel, Ltd. proposing the supply of United Air Cleaners for motor cars.
View original record Telephone Nos MAYFAIR 578 & 579. Telegrams: ROTHERMEL, WESDO, LONDON. x3812 R. A. ROTHERMEL, LTD. This may interest you somewhat RS MANUFACTURERS, IMPORTERS & FACTORS OF MOTOR CAR COMPONENTS,…

scan0103 Promotional leaflet with price lists for 'The United Air Cleaner' for a wide range of automobiles and trucks.
View original record PRICE LIST UNITED AIR CLEANERS FOR AUTOMOBILES Anderson 50....................................$15.00 Apperson 6.......................................9.00 Apperson 8 (Johnson carb.)..........16.00…

scan0104 Advertisement leaflet for The United Air Cleaner, explaining the dangers of dust to a motor and the benefits of the product.
View original record DUSTLESS AIR TO THE MOTOR Dangerous Dirt Eliminated [Illustration of air cleaner cutaway] CLEAN AIR TO CARBURETOR DUST and DIRT EJECTED HERE What Dust Does to Your Motor Valves All air contains flying…

scan0105 Cover note for a test report on a cylinder and head, enclosing a copy received from America.
View original record Hs RECEIVED OCT 8 1926 X3812 C2/08.10.26. Test Report - Cylinder & Head I enclose herewith copy of Oy2/E/92726 received from America this morning. C.

scan0106 Test report discussing the effectiveness of an air cleaner in preventing a sticking air valve on a cylinder and head.
View original record Gy2-E-92726 HS. September 27, 1926 To: Messrs.Beaver Nadin Bagnall Caswell Hulley Knapton Burton cc - Mr.B.Johnson Mr.F.H.Royce Mr.E.W.Hives London File From: Mr. Olley TEST REPORT Sec.5050 - Cylinder…

scan0107 Air Cleaners and Oil Filters handled by the A.C. Sphinx Company.
View original record BY. from ROY. c. to Hs. 1-30 M 26-8 X3812 ROY2/MQ26.8.27 The A.C.Sphinx Company are handling Air Cleaners and Oil Filters, details of which you will find attached. They claim that several English…

scan0108 The effectiveness of air cleaners for carburettor intakes, citing findings from Leyland Motors Ltd.
View original record Hs. Derby. C. to Whr. London. X 3812 Pt.5/FM-1/8/28. Re Air Cleaners for Carburettor Intake. You may be interested to hear that in this dusty climate, I am assured by Mr A.E. Plant of Leyland Motors…

scan0109 Inquiry to The S.U. Company regarding a proprietary air cleaner used on a horizontal carburetter.
View original record X3812 Expl. Dept. Hs/Rm.3/MJ. July 13th.1931. The S.U.Company, East Works, Brodesley Green Rd., Adderley Park, BIRMINGHAM. For the attention of Mr. Skinner. Dear Mr. Skinner, We understand from your…

scan0110 Letter from The S.U. Company regarding a recommended air cleaner for a carburetter.
View original record X3812 STATION:- ADDERLEY PARK, L.M.&S.Rly S.U. CARBURETTER FLEXIBLE SILENT TELEPHONES:- EAST 1662 AND EAST 1663. General Manager: T.C. SKINNER. THE S.U. COMPANY. PROPRIETORS: MORRIS INDUSTRIES LTD…

scan0111 Inquiry to F. Smith & Sons for particulars of an air cleaner for an S.U. carburetter.
View original record X3812 Expl. Dept. Hs/Rm.5/MJ. July 16th.1931. Messrs. F.Smith & Sons, Huddersfield Road, Elland, Yorks. Dear Sirs, We understand from Mr. Skinner that you market an air cleaner which fits directly on…

scan0112 Letter from Frank Smith & Co. about supplying an AFN.type air filter for trial and asking to confirm intake dimensions.
View original record FRANK SMITH & CO. (ELLAND) LTD. MOTOR ENGINEERS HUDDERSFIELD RD. ELLAND X3812 THE SOCIETY OF MOTOR MANUFACTURERS & TRADERS LTD THE MOTOR TRADE ASSOCIATION REPAIRERS INSTITUTE OF PATENTEES (INC)…

scan0113 Advertising brochure for the 'Smith' air filter with silencer and warning whistle.
View original record THE “SMITH” AIR FILTER WITH SILENCER & WARNING WHISTLE. PRICES, AF1 or AFN1 for motor cycles and cars up to 10 h.p., 10/- each. AF2 or AFN2 for cars up to 16 h.p., 15/- each. AF3 or AFN3 for cars up…

scan0114 The 'Smith' Air Filter with Silencer & Warning Whistle, its function, and maintenance.
View original record THE “SMITH” AIR FILTER WITH SILENCER & WARNING WHISTLE. IT is impossible to exaggerate the importance of maintaining a perfectly clean supply of air to the carburetter intake, as grit and dust can…

scan0115 Letter to F. Smith & Co. requesting a sample air cleaner for trial, specifying the carburetter dimensions.
View original record X3812 Expl. Dept. Hs/Rm.8/MJ. July 20th.1931. Messrs. F. Smith & Co. (Elland) Ltd., Motor Engineers, Huddersfield Rd., ELLAND. Dear Sirs, We thank you for your letter of the 18th. inst. We think it…

scan0116 Letter from Frank Smith & Co. following up on an AF3N 1.7 air filter sent to the Experimental Department.
View original record Y 3812. FRANK SMITH & CO. (ELLAND) LTD. MOTOR ENGINEERS HUDDERSFIELD RD. ELLAND TELEGRAMS & CABLES: SMITH, ENGINEER, ELLAND YOUR REF: HS/RM.8/MJ. MANUFACTURERS OF THE SMITH SHOCK ABSORBER STEERING…

scan0117 Letter to Frank Smith & Co. regarding air filter testing and a request for a similar type with a sketch attached.
View original record .Y3812. Hs/Rm.1/AD. October 12th, 1931. Messrs. Frank Smith & Co. Huddersfield Rd. Elland. Dear Sirs, We thank you for your letter of the 9th inst. We are testing out your air filter on the HU5 S.U.…

scan0118 Blueprint for an Air Silencer for a S.U. 1 7/8 Carburettor.
View original record AIR SILENCER. S.U. 1 7/8 CARB. OUTSIDE OF INTAKE .375 1.850 A B DIMENSION A NOT MORE THAN 1.500" DIMENSION B PREFERABLY NOT MORE THAN 8.000"

scan0119 Letter from Frank Smith & Co. regarding the development and supply of an air filter for an S.U. carburetter.
View original record X 3812. FRANK SMITH & CO. (ELLAND) LTD. MOTOR ENGINEERS HUDDERSFIELD RD. ELLAND TELEGRAMS & CABLES: SMITH, ENGINEER, ELLAND YOUR REF. Hs/Rm.1/AD. MANUFACTURERS OF THE SMITH SHOCK ABSORBER STEERING…

scan0120 Delivery note from Frank Smith & Co. for air filters sent for trial.
View original record TELEPHONE No. 182 ELLAND. HUDDERSFIELD ROAD, ELLAND, Oct. 13th 1931. Messrs Rolls Royce Ld. Derby DELIVERY NOTE. Frank Smith & Co., (Elland) Ltd., ENGINEERS. MANUFACTURERS OF THE "SMITH" SHOCK…

scan0121 Letter from Frank Smith & Co. regarding the supply, pricing, and specifications of AF3N air filters for use with S.U. carburettors.
View original record X3812. FRANK SMITH & CO. (ELLAND) LTD. MOTOR ENGINEERS HUDDERSFIELD RD. ELLAND [LOGO: THE SOCIETY OF MOTOR MANUFACTURERS & TRADERS LTD] TELEGRAMS & CABLES: SMITH, ENGINEER, ELLAND [LOGO: MEMBERS OF…

scan0122 Letter to Frank Smith & Co requesting a quotation for air filters and wire wool filtering medium pads.
View original record 83812. HS/Lid.3/MA. December 28th, 1931. Frank Smith & Co (Elland) Ltd, Huddersfield Road Elland Yorks. Dear Sirs, Thank you for your AS/HB of the 21st inst. The invoice for the two AF3N size filters…

scan0123 The preparation of wire and worsted material for air filters.
View original record Rm 83812. E. [Struck through] c. Hs. c. Sft. [Struck through] ROY/GEA.12/EB.23.11.32. With reference to the wire and worsted we purchase from Messrs. Frank Smith & Co.(Elland) Ltd, for Air Filters.…

scan0124 Potential choking of Voke's air filters on Bentleys and a proposal to test oil carb cleaners for the Phantom III model in Africa.
View original record Rm/Wym. from Rm. Rm/GWH. 1137 Rm10/R.25.1.37. AIR CLEANER. It occurs to us that the Voke's filter which we fitted to the earlier type Bentleys may, in some cases, be getting choked up. We should like…

scan0125 Request to place an official order for four Burgess Air Filters for experimental testing.
View original record 8 1137. Roy from Rm/Whym c to G/MT c to G/CAM Rm/Whym5/M.17.2.37. With reference to G/CAM/CA39/JM16.2.37, will you please pass an official order to Burgess Products Co. Ltd., for 4 - Burgess Air…

scan0126 Two revised designs for the 'A.C.' bye-pass filter mounting to address failures experienced during testing.
View original record 1134- PY/MS. c. Rm. c. Rm/SwDL Files SWDL DA.11/G.9.4.38. WRAITH 111. "A.C." BYE-PASS FILTER MOUNTING. Please receive herewith :- E.CD.597 Revised Mounting for A.C. Filter - Wraith 111 and Bentley…

scan0127 Standardisation and pricing of Vokes and Burges filter elements.
View original record 1137. Hs. from Rm. Rm3/R.12.5.38. P.22. The history of the attached standardisation sheet which we should like to go forward is as follows:- The Vokes Filter Element originally cost 9/6d. We were…

scan0128 Letter from Air-Maze (Great Britain) Ltd. promoting their air filters and flame arresters.
View original record WYMAN - I should see this man. RM 1134 TELEPHONE TEMPLE BAR 8559 AIR-MAZE (GREAT BRITAIN) LTD. INDUSTRIAL AUTOMOTIVE AND POWER PLANT AIR FILTERS-FLAME ARRESTERS BUSH HOUSE LONDON W.C.2. EW/WM. 25th…

scan0129 Letter to Air Maze Ltd. arranging a meeting with Mr. Walton regarding Air-Maze Filters.
View original record 1137 EXPERIMENTAL DEPARTMENT. Rm/Wym.9/JH. 5th September, 1938. Air Maze Ltd., Bush House, LONDON.W.C.2. Dear Sirs, re Air-Maze Filters. In reply to your letter of Aug. 25th. ref. EW/WM, we shall be…

scan0130 Letter from Air-Maze (Great Britain) Ltd. offering to demonstrate an Air-Maze filter.
View original record TELEPHONE TEMPLE BAR 8559 1134 File AIR-MAZE (GREAT BRITAIN) LTD. INDUSTRIAL AUTOMOTIVE AND POWER PLANT WFM/BP. AIR FILTERS-FLAME ARRESTERS BUSH HOUSE LONDON W.C.2. 5th December, 1938. Rolls-Royce,…

scan0131 Promotional leaflet for Air-Maze air filters, outlining their benefits, types, and applications.
View original record ONE OF THESE MODELS CAN HELP YOU AIR-MAZE AIR FILTERS UNIMAZE Dust is impinged on a multitude of exactly spaced baffles—oil wetted when placed in service. Exceptionally long service period without…

scan0132 Advertising brochure for Air-Maze air filters, detailing the Oil Bath and Unimaze types.
View original record AIR-MAZE ASSURES CLEAN AIR 90 to 98 per cent. of the fuel consumed by an engine is air. You are very particular about the secondary fuel and would never think of throwing a handful of grit in your…

scan0133 Letter from the Experimental Department to Air Maze Ltd. arranging a meeting.
View original record 1137 EXPERIMENTAL DEPARTMENT. Rm/Wym.8/JH. 7th. December, 1938. Air Maze Ltd., Bush House, LONDON.W.C.2. Dear Sirs, In reply to your letter of the 5th inst. ref WFM/BP. the writer will be pleased to…

scan0134 Letter from Air-Maze (Great Britain) Ltd. arranging a meeting for the following Wednesday.
View original record 1137 Directors R.B. HOWELLS E. SMART AUTOMOTIVE OIL BATH AIR FILTERS, SILENCERS AND FLAME ARRESTORS AIR-MAZE (GREAT BRITAIN) LIMITED BUSH HOUSE ALDWYCH LONDON W.C.2. Telephone TEMPLE BAR 4059…

scan0135 Letter from Air-Maze confirming the production of a sample oil bath air filter and future quotations.
View original record 1137 Directors R.B HOWELLS E. SMART AUTOMOTIVE OIL BATH AIR FILTERS, SILENCERS AND FLAME ARRESTORS AIR-MAZE (GREAT BRITAIN) LIMITED BUSH HOUSE ALDWYCH LONDON W.C.2. Telephone TEMPLE BAR 4059…

scan0136 Letter from Air-Maze (Great Britain) Limited discussing the design of an oil bath filter for a 25/30 HP unit.
View original record File 1139 Directors R.B HOWELLS E. SMART AIR-MAZE (GREAT BRITAIN) LIMITED BUSH HOUSE ALDWYCH LONDON W.C.2. Telephone TEMPLE BAR 4059 AUTOMOTIVE OIL BATH AIR FILTERS, SILENCERS AND FLAME ARRESTORS…

scan0137 Continuation sheet of a letter from W.F. McGloon, Sales Manager of Air-Maze (Great Britain) Limited.
View original record Continuation Sheet. 2, and I look forward to hearing from you in due course. Yours faithfully, AIR-MAZE (GREAT BRITAIN) LIMITED, [Signature] W. F. McGloon, Sales Manager. Encl.

scan0138 Letter to Air-Maze Ltd. from the Experimental Department requesting an air filter for testing purposes.
View original record 1137 EXPERIMENTAL DEPARTMENT. Rm/Wym.8/JH. 13th. January, 1939. Air-Maze Ltd., Bush House, Aldwych, LONDON.W.C.2. Dear Sirs, In reply to your letter ref. WFM/BP. we should like you to supply us with…

scan0139 Letter from Air-Maze (Great Britain) Limited confirming the production of an Air-Maze Oil bath filter.
View original record Directors R. B. HOWELLS E. SMART AUTOMOTIVE OIL BATH AIR FILTERS, SILENCERS AND FLAME ARRESTORS AIR-MAZE (GREAT BRITAIN) LIMITED BUSH HOUSE ALDWYCH LONDON W.C.2. Telephone TEMPLE BAR 4059 INDUSTRIAL…

scan0140 Letter from Air-Maze (Great Britain) Limited regarding a delay in manufacturing a non-standard oil bath filter sample.
View original record R.R./Wym.(Garage) 1137 Directors R B HOWELLS E. SMART AUTOMOTIVE OIL BATH AIR FILTERS.SILENCERS AND FLAME ARRESTORS AIR-MAZE (GREAT BRITAIN) LIMITED BUSH HOUSE ALDWYCH LONDON W.C.2. Telephone TEMPLE…

scan0141 Letter from Air-Maze to the Experimental Department confirming completion and proposing delivery of an oil bath filter.
View original record 1137. Directors R. B. HOWELLS E. SMART AUTOMOTIVE OIL BATH AIR FILTERS, SILENCERS AND FLAME ARRESTORS AIR-MAZE (GREAT BRITAIN) LIMITED BUSH HOUSE ALDWYCH LONDON W.C.2. Telephone TEMPLE BAR 4059…

scan0142 Letter from Air-Maze (Great Britain) Limited regarding air filters and an attached blueprint for an aircraft filter panel.
View original record 1/37. Directors R.B. HOWELLS E. SMART AUTOMOTIVE OIL BATH AIR FILTERS, SILENCERS AND FLAME ARRESTORS AIR-MAZE (GREAT BRITAIN) LIMITED BUSH HOUSE ALDWYCH LONDON W.C.2. Telephone TEMPLE BAR 4059…

scan0143 Letter from Air-Maze (Great Britain) Limited concerning a sample oil bath filter, including instructions and pricing.
View original record 1137. Directors R B HOWELLS E. SMART AUTOMOTIVE OIL BATH AIR FILTERS, SILENCERS AND FLAME ARRESTORS AIR-MAZE (GREAT BRITAIN) LIMITED BUSH HOUSE ALDWYCH LONDON W.C.2. Telephone TEMPLE BAR 4059…

scan0144 Letter from Air-Maze following up on the performance of an oil bath air filter being tested on an experimental chassis.
View original record 1137 Directors R.B. HOWELLS E. SMART AIR-MAZE (GREAT BRITAIN) LIMITED BUSH HOUSE ALDWYCH LONDON W.C.2. Telephone TEMPLE BAR 4059 AUTOMOTIVE OIL BATH AIR FILTERS, SILENCERS AND FLAME ARRESTORS…

scan0145 Letter to Air-Maze Ltd. explaining a delay in testing their oil bath filter.
View original record 1134? EXPERIMENTAL DEPARTMENT. Rm/Wym.7/JH. 24th. June, 1939. Air-Maze Ltd., Bush-House, Aldwych, LONDON.W.C.2. Dear Sirs, In reply to your letter of the 19th inst. I am sorry to inform you that we…

scan0146 Letter from Air-Maze (Great Britain) Limited acknowledging correspondence.
View original record Directors R B HOWELLS E. SMART AUTOMOTIVE OIL BATH AIR FILTERS, SILENCERS AND FLAME ARRESTORS AIR-MAZE (GREAT BRITAIN) LIMITED BUSH HOUSE ALDWYCH LONDON W.C.2. Telephone TEMPLE BAR 4059 INDUSTRIAL AND…

scan0147 Letter from Air-Maze (Great Britain) Limited proposing a meeting in Derby.
View original record AIR-MAZE (GREAT BRITAIN) LIMITED BUSH HOUSE, ALDWYCH, LONDON W.C.2. Telephone: TEMPLE BAR 4059 Directors: R B. HOWELLS, E. SMART Products (Left): AUTOMOTIVE OIL BATH AIR FILTERS, SILENCERS AND FLAME…

scan0148 Letter from Air-Maze (Great Britain) Limited regarding a sample oil bath air filter and a handwritten response.
View original record Directors R B HOWELLS E. SMART AUTOMOTIVE OIL BATH AIR FILTERS, SILENCERS AND FLAME ARRESTORS AIR-MAZE (GREAT BRITAIN) LIMITED BUSH HOUSE ALDWYCH LONDON W.C.2. Telephone TEMPLE BAR 4059 INDUSTRIAL AND…

scan0149 Letter from Air-Maze (Great Britain) Limited regarding tests on an oil-washing type filter.
View original record Directors R.B HOWELLS E. SMART AUTOMOTIVE OIL BATH AIR FILTERS, SILENCERS AND FLAME ARRESTORS AIR-MAZE (GREAT BRITAIN) LIMITED BUSH HOUSE ALDWYCH LONDON W.C.2. Telephone TEMPLE BAR 4059 INDUSTRIAL AND…

scan0150 Letter to Air-Maze, Limited, regarding a sample air filter and the halt of motor car development due to the war.
View original record 1137 Rm/WYM.7/JMS. Your ref: WFM/BP. 23.6.40. Messrs. Air-Maze, Limited, Bush House, Aldwych, LONDON, W.C.2. For the attention of Mr. McGloon. Dear Sir, In reply to your letter of the 20th instant,…

scan0151 Letter from Air-Maze (Great Britain) Limited concerning an Air-Maze air filter for a 25-HP engine unit.
View original record 1137 Directors R B HOWELLS E. SMART AUTOMOTIVE OIL BATH AIR FILTERS, SILENCERS AND FLAME ARRESTORS AIR-MAZE (GREAT BRITAIN) LIMITED BUSH HOUSE ALDWYCH LONDON W.C.2. Telephone TEMPLE BAR 4059…

scan0152 Letter to Air-Maze Ltd. explaining that their cleaner cannot be installed due to altered engine mountings.
View original record 1137 Yr. ref: WFM/BP. Rm.7/ML. 7.7.40. Messrs Air-Maze Ltd., Bush House, Aldwych, London.W.C.2. Dear Sirs, for the attention of Mr. W.F.McCloon. Thank you for your letter of the 3rd. July. Since the…

scan0153 Request to borrow an AutoKlean filter from the Experimental Test Beds.
View original record Mr. Arnold (Experimental Test Beds) from Rm/GB. Rm/GB.10/JMS.22.7.40. 1137 Further to our telephone conversation this afternoon, we would be glad if you would loan us your AutoKlean filter until our…

scan0154 Arranging a visit from a representative of Air-Maze Ltd. to Derby.
View original record To Ev. from Rm. C. to Rm/GB. 1137 Rm.3/ET.26.6.41. We have heard from Messrs. Air-Maze Ltd. that one of there representatives (Mr. Newall) will be visiting Derby next Thursday (3rd July), and have…

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