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
Blueprint detailing a section of a mechanical assembly with curved components.1st May 1914Box 170 \ 1  img012
Blueprint showing geometric layouts and circular patterns.3rd Nov 1938Box 170 \ 1  img013
Blueprint detailing the specifications for a valve hole on a circular component.3rd Nov 1938Box 170 \ 1  img014
Performance graph for a Lagonda V12 engine with an air silencer fitted under specific backpressure conditions.28th Nov 1937Box 170 \ 1  img015
Letter to Lagonda Motors discussing the weight and performance characteristics of the Phantom III engine unit.17th Jan 1938Box 170 \ 1  img016
Letter from Templewood Engineering Co. Ltd. proposing a scheme for developing light alloy brake drums.30th Jun 1938Box 170 \ 1  img017
Letter to S. H. Grylls, Esq. discussing solders, temple construction, and a failed experimental test.14th Jan 1960Box 170 \ 1  img018
Letter to S.S. Tresilian of Templewood Engineering regarding sending drums and liners, and mentioning a 12-cylinder Lagonda.1st Jul 1938Box 170 \ 1  img019
Request to despatch two Bentley brake drums and two liners to Templewood Engineering Co. for special assembly.13th Jul 1938Box 170 \ 1  img020
Letter to Templewood Engineering regarding the process of gluing a liner into an aluminium drum.13th Jul 1938Box 170 \ 1  img021
Letter from Paul Quinn Ltd. regarding rubber-mounted flywheels and synthetic rubber gaskets.6th Sep 1938Box 170 \ 1  img022
Letter from Paul Quinn Ltd to S. H. Grylls about the production of cheaper gaskets and tinning cast iron brake drums.6th Sep 1938Box 170 \ 1  img023
Cross-sectional drawing of a mechanical assembly featuring a 'Hibudine' bonded element.6th Sep 1938Box 170 \ 1  img024
Blueprint of a cross-section for a rubber-mounted component.6th Sep 1938Box 170 \ 1  img025
Blueprint of a circular spoked mechanical component.25th Oct 1938Box 170 \ 1  img026
Blueprint of a spoked circular component.25th Oct 1938Box 170 \ 1  img027
Inquiry to Messrs. Paul Quinn, Ltd. regarding the feasibility and material properties of mounting a flywheel on rubber.8th Sep 1938Box 170 \ 1  img028
Letter from Templewood Engineering Co. Ltd. regarding the testing of forged magnesium pistons and making experimental forgings.20th Oct 1938Box 170 \ 1  img029
Letter from Paul Quinn Ltd. concerning a rough scheme for mounting a flywheel on rubber bushes.20th Oct 1938Box 170 \ 1  img030
Letter from Paul Quinn Ltd. discussing a heat-resistant material for flywheel and clutch applications.20th Oct 1938Box 170 \ 1  img031
Letter to Templewood Engineering Co., Ltd. discussing the trial of forged magnesium pistons and comparing piston designs.26th Oct 1938Box 170 \ 1  img032
Letter regarding an alternative flywheel construction scheme using bonded 'Hibudine' synthetic rubber.31th Oct 1938Box 170 \ 1  img033
Cross-sectional blueprint of a mechanical assembly with material and function annotations.31th Oct 1938Box 170 \ 1  img034
Blueprint showing a cross-section of a mechanical component and joint assembly.1st Nov 1938Box 170 \ 1  img035
Letter to Paul Quain Ltd. discussing two alternative schemes for a flexible flywheel.1st Nov 1938Box 170 \ 1  img036
Diagrammatic sketch of a detachable wheel part, suggesting a modification for moulding.1st Feb 1937Box 170 \ 1  img037
Letter to Templewood Engineering Co., Ltd. discussing issues with aluminium brake drums and potential solutions.1st Nov 1938Box 170 \ 1  img038
Letter to Templewood Engineering Co., Ltd. regarding interference fits when casting an aluminium drum around an iron liner.1st Nov 1938Box 170 \ 1  img039
Letter from Templewood Engineering Co. Ltd. discussing light alloy piston and brake drum manufacturing.9th Nov 1938Box 170 \ 1  img040
Letter discussing light alloy pressing techniques for car body work and proposed experiments with Park Ward.9th Nov 1938Box 170 \ 1  img041
Letter discussing drawings for pistons and a potential collaboration on aluminium body construction with Park Ward.11th Nov 1938Box 170 \ 1  img042
Letter to S.S. Tresilian regarding pressing and the status of brake drum drawings.11th Nov 1938Box 170 \ 1  img043
Letter from Templewood Engineering Co. Ltd. to W. A. Robotham regarding developments in aluminium body construction.29th Nov 1938Box 170 \ 1  img044
Letter to S.S. Tresilian of Templewood Engineering Co., Ltd. arranging a meeting.1st Dec 1938Box 170 \ 1  img045
Letter to S.S. Tresilian of Templewood Engineering Co. rescheduling a meeting to discuss a Side Valve exponent.6th Dec 1938Box 170 \ 1  img046
Letter from the Experimental Department to Templewood Engineering Co. regarding two arrangement drawings.7th Dec 1938Box 170 \ 1  img047
Letter from Templewood Engineering arranging a meeting to see Prestwichs and discuss body-building.7th Dec 1938Box 170 \ 1  img048
Short letter to S.S. Tresilian of Templewood Engineering confirming a meeting at Park Wards.9th Dec 1938Box 170 \ 1  img049
Information sheet detailing the weights of an 'M' Series Aerolite piston and Bentley connecting rod.13th Dec 1938Box 170 \ 1  img050
Letter providing information on Duralumin connecting rods, including testing results and future design considerations.13th Dec 1938Box 170 \ 1  img051
Disagreement over magnesium piston drawings and proposing a collaboration.18th Jan 1939Box 170 \ 1  img052
Letter detailing drawings for new magnesium pistons and connecting rods, outlining design changes and anticipated weight savings.18th Jan 1939Box 170 \ 1  img053
Continuation of a letter to W. A. Robotham regarding piston and connecting rod design, materials, and stress analysis.18th Jan 1939Box 170 \ 1  img054
Letter discussing connecting rod design, materials, and production considerations.18th Jan 1939Box 170 \ 1  img055
Letter to W. A. Robotham discussing piston production, brake drum experiments, and a light alloy body framework.18th Jan 1939Box 170 \ 1  img056
Blueprint showing a cross-section and side view of an engine piston.18th Jan 1939Box 170 \ 1  img057
Blueprint showing an inverted plan view and a cross-section of a circular component.18th Jan 1939Box 170 \ 1  img058
Blueprint drawing of a piston showing a full view and a cross-section view.18th Jan 1939Box 170 \ 1  img059
Blueprint drawing showing a cross-section of a piston.18th Jan 1939Box 170 \ 1  img060
Blueprint displaying sectional views (A.A, B.B, C.C) of a circular component.22th Feb 1935Box 170 \ 1  img061
Blueprint drawing of a Magnesium Alloy Piston.22th Feb 1935Box 170 \ 1  img062
Letter discussing the design, testing, and costs of connecting rods and pistons.19th Jan 1939Box 170 \ 1  img063
Request from Templewood Engineering for a standard Bentley chassis drawing to create a wooden dummy for a Park Ward body frame.25th Jan 1939Box 170 \ 1  img064
Letter to S.S. Tresilian of Templewood Engineering Co. regarding a coach builder's drawing for a Bentley chassis.1st Feb 1939Box 170 \ 1  img065
Letter addressing an allegation of an information leak concerning a new streamline Bentley model.15th Mar 1939Box 170 \ 1  img066
Private letter addressing an information leak about a projected motor-car and a subsequent inquest.23th Mar 1939Box 170 \ 1  img067
Letter to S.S. Tresilian concerning responsibility for an information leak.23th Mar 1939Box 170 \ 1  img068
Letter to S.S. Tresilian of Templewood Engineering regarding the use of aerolite magnesium pistons to reduce weight.24th Mar 1939Box 170 \ 1  img069
Letter from Templewood Engineering regarding delays to a work programme, factory changes, and progress on brake drum testing.25th May 1939Box 170 \ 1  img070
Continuation of a letter to W. A. Robotham discussing developments with cast iron liners and magnesium pistons.25th May 1939Box 170 \ 1  img071
Letter to S.S. Tresilian of Armstrong Siddeley Motors discussing personal matters, post-war aluminium prices, and by-pass filters for Merlin engines.12th Dec 1939Box 170 \ 1  img072
Letter to S.S. Tresilian regarding an expert on filtration and an invitation to the factory.12th Dec 1939Box 170 \ 1  img073
Letter from Armstrong Siddeley Motors discussing oil filter research, the future of aluminium and magnesium in transport, and project delays due to the war.14th Dec 1939Box 170 \ 1  img074
Graph plotting Brake Horsepower and Brake Mean Effective Pressure, comparing performance with test bed silencers versus road silencers.14th Dec 1939Box 170 \ 1  img075
Performance graph comparing the B.M.E.P. of a B.80 engine and a 12 Cylinder Lagonda engine.30th Jun 1940Box 170 \ 1  img076
Graph comparing the Brake Mean Effective Pressure (B.M.E.P.) of a Bentley B80 engine against a 12-cylinder Lagonda engine.30th Jun 1940Box 170 \ 1  img077
Performance and petrol consumption test results comparing a Duplex Stromberg and 3 SU carburettors on a Bentley 11 BI car.30th May 1940Box 170 \ 1  img078
Constant speed petrol consumption tests, detailing issues encountered and comparing results with a Lagonda.30th May 1940Box 170 \ 1  img079
Comparison of fuel consumption figures between Stromberg and 3 SU carburettors, including road test data and engine setup details.30th May 1940Box 170 \ 1  img080
Vehicle test parameters including rear axle ratio, tyre size, and fuel type.2nd Oct 1940Box 170 \ 1  img081
Competitor publicity from Lagonda and suggesting a counter-publicity effort.2nd Oct 1940Box 170 \ 1  img082
Article from 'The Motor' magazine detailing a road test of a V12 Lagonda titled 'Trial by Jury'.18th Sep 1940Box 170 \ 1  img083
Magazine page from 'The Motor' detailing wartime automotive accessories and services, including blackout light masks, gas conversions, and instalment plans for overhauls.18th Sep 1940Box 170 \ 1  img084
Magazine article from 'The Motor' detailing a road test of a 100 m.p.h. car.18th Sep 1940Box 170 \ 1  img085
Road test article titled 'Trial By Jury' from 'The Motor' magazine, reviewing a Lagonda car.18th Sep 1940Box 170 \ 1  img086
Article from 'The Autocar' magazine reviewing a twelve-cylinder Lagonda of the latest type.20th Sep 1940Box 170 \ 1  img087
Page from a 1940 motoring magazine with articles on wartime motoring activities and a general knowledge quiz.20th Sep 1940Box 170 \ 1  img088
Continued magazine article from 'The Autocar' reviewing a Lagonda car's performance and handling.20th Sep 1940Box 170 \ 1  img089
Page from 'The Autocar' magazine featuring a collection of short articles and anecdotes titled 'Disconnected Jottings'.20th Sep 1940Box 170 \ 1  img090
Magazine article from 'The Motor' featuring a 12-cylinder Lagonda with a Lancefield streamline body.25th Sep 1940Box 170 \ 1  img091
Page from 'The Motor' magazine, issue 157, featuring news articles on wartime motoring conditions.25th Sep 1940Box 170 \ 1  img092
Article from 'The Autocar' magazine describing a special streamlined twelve-cylinder Lagonda saloon with a four-carburettor engine.27th Sep 1940Box 170 \ 1  img093
Page from 'The Autocar' magazine featuring reader queries and replies on topics including crashed speedometers, tyre replacements, and specific car model experiences.27th Sep 1940Box 170 \ 1  img094
Article from 'The Autocar' magazine about a special streamlined Lagonda twelve-cylinder car.27th Sep 1940Box 170 \ 1  img095
Advertisement for the Bentley 'Silent Sports Car' from 'The Autocar' magazine.27th Sep 1940Box 170 \ 1  img096
Page of advertisements from 'The Autocar' magazine for battery chargers and tyre pressure equipment.27th Sep 1940Box 170 \ 1  img097
Competitor publicity from Lagonda and suggesting opportunities for press on their own products.4th Oct 1940Box 170 \ 1  img098
Letter discussing the Streamline Bentley, a rival 12-cylinder Lagonda, and competition at the Motor Show.1st Oct 1940Box 170 \ 1  img099
Page from 'The Motor' magazine featuring a Lagonda V12 with a Lancefield streamlined body and an article on fluid drive systems in American cars.25th Sep 1940Box 170 \ 1  img100
Motoring news page from 1940 covering wartime measures for drivers, including petrol allowances, car modifications, and tyre recycling.25th Sep 1940Box 170 \ 1  img101
Streamlined Lagonda's body design and recent publicity, comparing it to a Bentley.4th Oct 1940Box 170 \ 1  img102
Timing and strategy for releasing publicity about the B V model and other vehicles.10th Oct 1940Box 170 \ 1  img103
Letter from Cadillac Motor Car Company requesting to see drawings of two R.R. joints for the Phantom and 25 HP models.30th Dec 1930Box 170 \ 2  img001
Telegraphic enquiry from Hives in Detroit to Mr. Olley in Springfield regarding the presence of 'quick step valves' on a specific chassis.9th Dec 1930Box 170 \ 2  img002
Telegram concerning a patent inquiry from General Motors about the import of Quick Step Steel and the delivery of aero engines to the US government.9th Dec 1930Box 170 \ 2  img003
Intelligence gathering on competitor parts and a potential patent infringement issue.15th Jan 1931Box 170 \ 2  img004
Reciprocal information exchange, the Quickstep Steel matter, and mechanics' joints.14th Jan 1939Box 170 \ 2  img005
Letter to Cadillac discussing Quick-step steel, Delco dampers, universal joints and vehicle ride quality issues like springing and frame 'jellying'.17th Jan 1930Box 170 \ 2  img006
Letter discussing the Delco Generator, a potential purchase of a twelve-cylinder car, and the state of the aero engine business.21th Feb 1931Box 170 \ 2  img007
Letter from the Experimental Department to Cadillac Motor Car Co. discussing Delco shock absorbers and steering wobble.21th Feb 1931Box 170 \ 2  img008


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