Rolls-Royce Archives
From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
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DescriptionDateIdentifier
Proposing a visit to West Wittering with essential pieces of a Curtis aero engine.17th Aug 1926Box 33 \ 2  Scan096
Short typed memo confirming the date for a visit with Mr. Royce.12th Aug 1926Box 33 \ 2  Scan097
Proposing a visit to discuss high-speed vibration tests on a 20 HP engine.7th Sep 1926Box 33 \ 2  Scan098
Confirming a visit to West Wittering and detailing the vehicles and parts to be brought.19th Oct 1926Box 33 \ 2  Scan099
Short memo regarding a proposed visit to West Wittering.21th Oct 1926Box 33 \ 2  Scan100
Arranging a visit to discuss the sequence starter and battery ignition points.3rd May 1927Box 33 \ 2  Scan101
Proposing a visit to West Wittering to deliver parts of F.10 which have completed type testing.5th May 1927Box 33 \ 2  Scan102
Final arrangements for the Karachi flight, including a full load take-off test, and postponing a visit.7th May 1927Box 33 \ 2  Scan103
Short typed memo from EFC to R. regarding a change of travel plans for a visit.9th May 1927Box 33 \ 2  Scan104
Short memorandum confirming arrangements for a visit to West Wittering.13th May 1927Box 33 \ 2  Scan105
Short memo confirming a visit for Tuesday the 17th.13th May 1927Box 33 \ 2  Scan106
Confirmation of a telegram from Royce to Rowledge and Hives regarding a meeting to discuss chassis problems.14th May 1927Box 33 \ 2  Scan107
From Hs. to R. proposing a visit to WN. on Wednesday the 6th.1st Jul 1927Box 33 \ 2  Scan108
From R. to RG. arranging a visit to WW. to discuss final engine design points.15th Jul 1928Box 33 \ 2  Scan109
Arranging a visit for the following Thursday.22th Aug 1927Box 33 \ 2  Scan110
Proposing a visit to discuss oil cooling of the F engine.21th Sep 1927Box 33 \ 2  Scan111
Brief typed memorandum confirming arrangements for a visit to WW.21th Oct 1927Box 33 \ 2  Scan112
Short internal memo arranging a visit to 'WW'.2nd Dec 1927Box 33 \ 2  Scan113
From 'R.' arranging a visit with W.W. for the following week, suggesting Tuesday or Wednesday.12th Dec 1927Box 33 \ 2  Scan114
Arranging a visit to West Wittering and the transport of an 'H' engine.12th Dec 1927Box 33 \ 2  Scan115
Short memo confirming a proposed visit to 'WW' by 'RG' and 'Hs'.12th May 1928Box 33 \ 2  Scan116
Arranging the inspection of H. engine parts at West Wittering and coordinating travel with Major Bulman.1st Jun 1928Box 33 \ 2  Scan117
Relaying a telegram about an agreement to patent a steam separator and arrange a visit.6th Jun 1928Box 33 \ 2  Scan118
Confirming a contract for 80 engines with the Air Ministry and arranging a follow-up meeting.8th Jun 1928Box 33 \ 2  Scan119
Confirming the delivery schedule for a 20 HP car.25th Jul 1928Box 33 \ 2  Scan120
Confirmation of a wire message arranging a meeting.13th Aug 1928Box 33 \ 2  Scan121
Short typed memo confirming an arranged visit in response to a wire.13th Aug 1928Box 33 \ 2  Scan122
Urgent meeting and for the attached correspondence to be passed on.24th Sep 1928Box 33 \ 2  Scan123
Confirming a visit to WW for Mr. Royce, also requesting the presence of HS.23th Oct 1928Box 33 \ 2  Scan124
Typed memo proposing a visit for the following Wednesday.22th Sep 1928Box 33 \ 2  Scan125
Telegram from Royce to Hives arranging to meet.27th Nov 1928Box 33 \ 2  Scan126
Telegram from Elliott arranging a visit to West Wittering for after Thursday May second.30th Apr 1929Box 33 \ 2  Scan127
Confirmation of a telegram sent to arrange an upcoming visit.1st May 1929Box 33 \ 2  Scan128
Brief typed memo with handwritten amendments arranging a visit.20th Jun 1929Box 33 \ 2  Scan129
Short memo proposing a visit for the following Tuesday.15th Oct 1929Box 33 \ 2  Scan130
Confirming a visit is rescheduled from Tuesday to Wednesday the 23rd.19th Oct 1929Box 33 \ 2  Scan131
Discussions from a visit to West Wittering regarding gas starter distributors and crankcase strength for F and H type engines.5th Nov 1929Box 33 \ 2  Scan132
Engine distribution, gear rattles, airscrew vibration, and combustion space design.7th Nov 1929Box 33 \ 2  Scan133
Confirmation of expected arrival with a second L.H. P.2. chassis.9th Jul 1930Box 33 \ 2  Scan134
Proposing a visit to fit an anti-spilling scheme and shutters to a left-hand car.23th Sep 1930Box 33 \ 2  Scan135
Outlining a planned visit to W.W. with a 25 HP car for a 10,000-mile test and a Phantom.24th Oct 1930Box 33 \ 2  Scan136
Proposing a meeting with ACL to discuss tests on cylinders.22th Nov 1930Box 33 \ 2  Scan137
Planned visit to West Wittering to discuss engine specifications and shock absorber designs for future models.17th Oct 1932Box 33 \ 2  Scan138
Future design improvements, including hydraulic dampers, independently sprung wheels, and a silent second gear scheme.17th Oct 1932Box 33 \ 2  Scan139
Typed memo regarding a visit to West Wittering, shock absorbers, and a questionnaire about the 'Spectre'.18th Oct 1932Box 33 \ 2  Scan140
Visit to 'R' to discuss developments in steering, suspension, gearboxes, and dampers.9th Dec 1932Box 33 \ 2  Scan141
Follow-up note regarding a visit to 'R.' and breaking the ice about Marles Weller Steering.12th Dec 1932Box 33 \ 2  Scan142
Coordinating visits and meetings in Derby, Brighton, and Olympia.19th Oct 1932Box 33 \ 2  Scan143
Ignition testing regarding the length of spark gaps.25th Jan 1909Box 33 \ 3  Scan001
Alterations to the size and specifications of spark gap gauges.23th Dec 1910Box 33 \ 3  Scan002
Test report for an Anchor Sparking Plug.2nd Nov 1911Box 33 \ 3  Scan003
Test results of Renault spark plugs compared to Pognon plugs.30th Jun 1909Box 33 \ 3  Scan004
Specifications for various feeler gauges.22th May 1913Box 33 \ 3  Scan005
Oxidising trouble with ignition plugs, its causes, and potential solutions.8th Jul 1916Box 33 \ 3  Scan006
Potential petrol distribution issues in certain cylinders and the effect of carburettor mixture settings.8th Jul 1916Box 33 \ 3  Scan007
The test of a special sparking plug in Eagle and Falcon aero engines.26th Jun 1918Box 33 \ 3  Scan008
Departmental memo about sending 'EOLE' Co. sparking plugs to Derby for testing on aviation engines.7th May 1919Box 33 \ 3  Scan009
Departmental memo requesting a report on sparking plugs tested on aero and car engines.22th Jul 1919Box 33 \ 3  Scan010
The low stock of motorcar sparking plugs and a request for advice on which type to order.30th Jan 1918Box 33 \ 3  Scan011
Letter from Gregg Brothers offering to sell 1,000 French-made 24 m/m thread plugs suitable for earlier cars.1st Feb 1919Box 33 \ 3  Scan012
Letter from Raynaud & Bourceret regarding the supply of 18 spark plugs for testing.17th May 1919Box 33 \ 3  Scan013
Departmental memo requesting a trial of sparking plugs from Messrs. Raynaud & Bouveret.7th May 1919Box 33 \ 3  Scan014
Stating that no tests have been carried out on plugs submitted by Alfred Watkins or Mr. Glen.2nd Aug 1919Box 33 \ 3  Scan015
Departmental memo requesting a test report on 'RèV' sparking plugs.26th Aug 1919Box 33 \ 3  Scan016
Letter from The Igna Engineering Company Limited regarding their mica sparking plugs.8th Oct 1919Box 33 \ 3  Scan017
Letter from The Igna Engineering Co. Ltd. describing their patent cleaner and ruby mica sparking plugs.11th Oct 1919Box 33 \ 3  Scan018
Confirmation of a telegram from Royce regarding a slight engine misfire and potential fixes.24th Oct 1919Box 33 \ 3  Scan019
Sales letter from The A.J. Alsdorf Corporation regarding their TUNGSTEN Spark Plugs.27th Oct 1919Box 33 \ 3  Scan020
Business letter detailing discounts and an introductory offer for TUNGSTEN Spark Plugs.24th Nov 1919Box 33 \ 3  Scan021
Three-panel advertising leaflet in Spanish for Tungsten Spark Plugs.24th Nov 1919Box 33 \ 3  Scan022
Advertising leaflet in Spanish for Tungsten spark plugs, featuring a detailed cutaway diagram.24th Nov 1919Box 33 \ 3  Scan023
Exploded view and component breakdown of a Tungsten spark plug in Spanish.24th Nov 1919Box 33 \ 3  Scan025
Confirmation of a telegram detailing troubleshooting steps to cure engine misfires.27th Oct 1919Box 33 \ 3  Scan026
Request to find a more satisfactory plug and to trial K.L.G. 7 and K.L.G. F.52 types.30th Oct 1919Box 33 \ 3  Scan027
Significant issues and anxiety over the inspection, testing, and poor performance of various types of spark plugs.31th Oct 1919Box 33 \ 3  Scan028
Test report comparing spark plug performance at different magneto speeds.1st Nov 1919Box 33 \ 3  Scan029
Modifications to the battery ignition system and their effects on engine performance.1st Nov 1919Box 33 \ 3  Scan030
Remedies for sooty spark plugs, including petrol quality and coil insulation.11th Nov 1919Box 33 \ 3  Scan031
Telegram confirmation regarding the failure of mica spark plugs compared to porcelain ones.4th Nov 1919Box 33 \ 3  Scan032
Road test of chassis 1.EX focusing on battery ignition performance after alterations.4th Nov 1919Box 33 \ 3  Scan033
Use of tungsten as a replacement for platinum in high and low tension contacts and for ignition plugs.11th Nov 1919Box 33 \ 3  Scan034
Engine starting procedures, the use of a primer, and related issues such as sooting.10th Nov 1919Box 33 \ 3  Scan035
Potential cause of sooting spark plugs related to new self-starter procedures.6th Nov 1919Box 33 \ 3  Scan036
Mr. Royce's emphasis on using the correct plugs for post-war cars and arranging for their supply and fitting.11th Nov 1919Box 33 \ 3  Scan037
Departmental memo chasing a report on 30 'Bougies Eole' sparking plugs sent for testing on aeroplane engines.10th Dec 1919Box 33 \ 3  Scan038
Investigating an ignition failure, concluding wider spark plug gaps are advantageous for battery ignition systems.30th Dec 1919Box 33 \ 3  Scan039
Experiments to improve engine ignition by adjusting spark gaps and coil windings.30th Dec 1919Box 33 \ 3  Scan040
10,000-mile test on 'Forward' spark plugs by the Forward Sparking Plug Company.13th Jan 1920Box 33 \ 3  Scan041
Order for one dozen 'Forward' type 'E' spark plugs.14th Jan 1920Box 33 \ 3  Scan042
Brief report comparing the performance of Lodge C.9 plugs against K.L.G. plugs.19th Jan 1920Box 33 \ 3  Scan043
The receipt of parts for an experiment and two orders, including Marble Resistance Seatings, Ferodo material, and Forward Sparking Plugs.21th Jan 1920Box 33 \ 3  Scan044
The unsuitability of 'Forward' sparking plugs due to construction and measurement issues.21th Jan 1920Box 33 \ 3  Scan045
Inquiring about the experience with 'Forward' plugs for potential further experimentation.22th Jan 1920Box 33 \ 3  Scan046
The unsuitability of 'Forward' sparking plugs due to issues with measuring the spark gap and their construction.21th Jan 1920Box 33 \ 3  Scan047
Cover note for an attached document concerning 'Forward' plugs.6th Aug 1920Box 33 \ 3  Scan048
List of electrical parts sent from the United States with status updates on their receipt and customs clearance.30th Jan 1920Box 33 \ 3  Scan049
Sales letter from Ripaults Manufacturing Engineers promoting their Oleo Plugs and offering samples for testing.19th Feb 1920Box 33 \ 3  Scan050
Sample spark plug received from the Gilardoni Sparking Plug Company for testing.20th Feb 1920Box 33 \ 3  Scan051
Letter from The British Aris Sparking Plug Co. Ltd. about their range of spark plugs and connectors.8th Mar 1920Box 33 \ 3  Scan052
Advertisement for a 'High Tension Connector' from The British Aris Sparking Plug Company, Ltd.8th Mar 1920Box 33 \ 3  Scan053


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