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).
Rolls-Royce Experimental Archives                
Choose Archive


Browsing Records        Page 400 of 2367        Sort by   Box   Date   Description

Filter      from        to             identifier   [all]
DescriptionDateIdentifier
Letter from The S.U. Company regarding a query about needle seatings.30th Mar 1935Box 31 \ 5  Scan314
Testing and evaluation of Gabriel Snubbers from a 12-cylinder Packard car.8th Nov 1920Box 32 \ 1  Scan001
Sales letter from Brown Brothers Ltd. promoting the 'Gabriel' Rebound Snubber.9th Apr 1921Box 32 \ 1  Scan002
Advertisement for the Gabriel Rebound Snubber, detailing its function, benefits, and pricing.9th Apr 1921Box 32 \ 1  Scan003
Advertisement leaflet for the Gabriel Rebound Snubber shock absorber, from Brown Brothers Ltd.8th Jun 1921Box 32 \ 1  Scan004
Extract regarding complaints of knocking in the transmission, its causes related to leaf springs and road conditions, and a suggestion to fit shock dampers.8th Jun 1921Box 32 \ 1  Scan005
Continued memo discussing transmission knock due to uneven engine firing and suggesting a solution for future cars.8th Jun 1921Box 32 \ 1  Scan006
Springfield complaints about the policy of fitting shock absorbers.8th Jun 1921Box 32 \ 1  Scan007
Springfield complaints and Mr. Royce's recommendations for suspension damping.16th Jun 1921Box 32 \ 1  Scan008
Complaints about poor ride quality in Springfield cars and the recommendation to fit shock dampers.28th Jun 1921Box 32 \ 1  Scan009
Objections to Hartford shock absorbers for the 40/50 chassis and advocating for a higher quality, progressive type to maintain the company's reputation.9th Dec 1921Box 32 \ 1  Scan010
Article from 'The Autocar' magazine by Professor W. Morgan on the essentials of practical fuel comparisons for engines.28th Jan 1911Box 32 \ 1  Scan011
Article by Professor W. Morgan about the essentials of practically comparing and testing different fuels for engines.28th Jan 1911Box 32 \ 1  Scan012
Article from 'THE AUTOCAR' discussing the causes of high petrol prices and suggesting solutions such as co-operative distribution and the use of alternative fuels.3rd Aug 1912Box 32 \ 1  Scan013
Formula for determining the cost-effectiveness of fuel based on calorific value and price.8th Aug 1918Box 32 \ 1  Scan014
Journal page discussing the formation of the Petrol Substitutes Committee and the cancellation of the Isle of Man race, with handwritten notes on 'Synthetic Petrol'.8th Mar 1912Box 32 \ 1  Scan015
Article discussing the fuel problem, including the potential of synthetic petrol and the changing nature of fuel supply and quality.8th Mar 1913Box 32 \ 1  Scan016
Key-map illustrating the principal sources and shipping routes of petrol to England.8th Mar 1913Box 32 \ 1  Scan017
Article from 'The Auto' journal discussing global oilfields and the supply of petrol for motorists in 1913.8th Mar 1913Box 32 \ 1  Scan018
Article on the global fuel problem, discussing petrol consumption, world supply figures, market dynamics, and pricing.15th Mar 1913Box 32 \ 1  Scan019
Article discussing the cost and viability of benzol and alcohol as substitutes for petrol.22th Mar 1913Box 32 \ 1  Scan020
Comparison of benzol and petrol distillation curves, and an analysis of alcohol as a potential substitute fuel.22th Mar 1913Box 32 \ 1  Scan021
Article discussing the processes of converting heavy crude oil into petrol, including distillation and cracking.8th Mar 1913Box 32 \ 1  Scan022
Article from 'THE AUTOCAR' discussing the fuel question, including petrol statistics, production methods, and potential alternatives.25th Oct 1913Box 32 \ 1  Scan023
Article from 'The Autocar' discussing the fuel question, focusing on benzole and other petrol alternatives.25th Oct 1913Box 32 \ 1  Scan024
The possibilities of alcohol as a fuel.8th Nov 1913Box 32 \ 1  Scan025
Article from 'The Autocar' discussing the potential of alcohol as an alternative motor fuel to petrol.8th Nov 1913Box 32 \ 1  Scan026
Article from 'The Autocar' magazine discussing the possibilities of alcohol as an automotive fuel, comparing it to petrol and benzole, and detailing horsepower tests.8th Nov 1913Box 32 \ 1  Scan027
Report comparing the performance and consumption of petrol, benzole, and alcohol-based fuel mixtures.8th Nov 1913Box 32 \ 1  Scan028
Article clipping from 'The Autocar' discussing the possibilities of using alcohol as a fuel for engines.8th Nov 1913Box 32 \ 1  Scan029
Reply to criticisms on the use of alcohol as a motor fuel, focusing on issues of corrosion and flame propagation.8th Nov 1913Box 32 \ 1  Scan030
Article from 'THE AUTOCAR' discussing the 'Fuel Question' and the viability of alternative motor fuels like alcohol and benzole.8th Nov 1913Box 32 \ 1  Scan031
Article from 'The Autocar' summarizing Professor Vivian Lewes's lectures on motor fuels, including petrol, benzole, and alcohol.6th Mar 1915Box 32 \ 1  Scan032
Internal memorandum regarding the testing of motor spirit from London Lubricant Ltd.25th Nov 1913Box 32 \ 1  Scan033
Page 2 of a memorandum outlining four key questions for an engine test comparing different fuels.30th Oct 1913Box 32 \ 1  Scan034
Requesting tests on a new motor spirit to evaluate its economy and performance.28th Nov 1913Box 32 \ 1  Scan035
The poor quality of a motor spirit sample from London Lubricants Ltd. used for engine testing.18th Feb 1914Box 32 \ 1  Scan036
Technical article from 'The Motor Trader' magazine comparing paraffin and petrol as fuel, detailing various vaporizers and starting systems.12th Jul 1916Box 32 \ 1  Scan037
Extract from 'the Auto' magazine discussing a vaporiser embodying correct principles, developed by Mr. John Good.3rd Oct 1916Box 32 \ 1  Scan038
Description of pressure and velocity changes in an enlarging cone to promote vaporisation.3rd Oct 1916Box 32 \ 1  Scan039
Experiments with petrol substitutes, detailing poor engine performance and potential carburetter modifications.17th Oct 1916Box 32 \ 1  Scan040
Engine performance issues related to fuel mixture, ignition, and carburettor settings.16th Feb 1915Box 32 \ 1  Scan041
Fuel experiments and suggestions for improving fuel distribution via carburetter and induction pipe adjustments.16th Feb 1915Box 32 \ 1  Scan042
Chart showing the volatility curves for various motor fuels.27th Mar 1917Box 32 \ 1  Scan043
Letter to Count Carlos de Salamanca in Madrid regarding fuel substitutes for an engine.29th Jan 1918Box 32 \ 1  Scan044
Letter discussing engine lubrication, oil acidity testing during trials with unknown fuels, and instructions for taking oil samples.29th Jan 1918Box 32 \ 1  Scan045
Forwarding a copy of Mr Cowen's memo concerning chassis work and fuel availability.30th Oct 1918Box 32 \ 1  Scan046
Horsepower, consumption, and vaporisation tests of Shell Aviation Spirit 'B'.5th Apr 1919Box 32 \ 1  Scan047
Fuel testing, comparing Shell Aviation B with benzol and petrol mixtures for detonation and pre-ignition.28th Apr 1917Box 32 \ 1  Scan048
Recommendation for a specific fuel mixture to be used for Atlantic flights to reduce the risk of pre-ignition.5th Apr 1919Box 32 \ 1  Scan049
Test report on Shell Aviation Spirit 'B', detailing horsepower, consumption, and vaporisation tests.5th Apr 1919Box 32 \ 1  Scan050
Fuel tests comparing Shell Aviation B against standard petrol and benzol mixtures for engine detonation, condensation, and pre-ignition.5th Apr 1919Box 32 \ 1  Scan051
Recommendation to use Shell Aviation Spirit B with an addition of 12.5% benzol for Atlantic Flights to reduce the risk of pre-ignition.23th Oct 1920Box 32 \ 1  Scan052
Specific gravity of petrol in relation to engine detonation and vaporization tests.23th Oct 1920Box 32 \ 1  Scan053
Comparison of vaporization percentages for two samples at various temperatures for a specific gravity of 730.23th Oct 1920Box 32 \ 1  Scan054
Invitation from Shell-Mex Ltd. to an address on motor fuel efficiency.18th Nov 1921Box 32 \ 1  Scan055
Reply slip for an invitation to Mr. Kewley's lecture and dinner.18th Nov 1921Box 32 \ 1  Scan056
Postcard addressed to Messrs. Shell-Mex, Ltd. in Birmingham.9th Jan 1922Box 32 \ 1  Scan057
Sample of a 'fuel saver' or 'fuel economiser' device for a car.9th Jan 1922Box 32 \ 1  Scan058
Proposed modifications to a WO-II chassis, accompanied by a handwritten list of parts and tasks.11th May 1922Box 32 \ 1  Scan059
Recommendation for a fuel mixture of half Benzole and half petrol for demonstration purposes.28th Jul 1922Box 32 \ 1  Scan060
Tests of various samples of petrol, detailing their properties and performance characteristics.9th Oct 1922Box 32 \ 1  Scan061
Performance analysis of various motor spirits and benzols.9th Oct 1922Box 32 \ 1  Scan062
The urgent testing of a new motor fuel for Lord Wargrave.26th Apr 1923Box 32 \ 1  Scan063
Testing of a new motor fuel.2nd May 1923Box 32 \ 1  Scan064
Chasing a delayed report on a new motor fuel and expressing concern about the capacity of the Derby works.2nd May 1923Box 32 \ 1  Scan065
Letter to The Oil Supply Corporation Ltd. requesting a sample of their new fuel for testing purposes.3rd May 1923Box 32 \ 1  Scan066
Telegram arranging a fuel test, confirming the date, arrival time, and delivery of oil.23th May 1923Box 32 \ 1  Scan067
Letter from the Oil Supply Corporation Ltd. confirming the arrival of Mr. Critchley and Mr. Lincoln in Derby.7th May 1923Box 32 \ 1  Scan068
Letter from Oil Supply Corporation Ltd. regarding arrangements for a 'PYNOL' fuel test, for the attention of Mr. Hives.8th May 1923Box 32 \ 1  Scan069
Letter to The Oil Supply Cor. Ltd. arranging a car for fuel testing.10th May 1923Box 32 \ 1  Scan070
Test report for car 49 G.B. using a Pyrol mixture, detailing performance under various conditions.11th May 1923Box 32 \ 1  Scan071
Fuel consumption and detonation tests comparing a fuel named Pynol against Petrol.11th May 1923Box 32 \ 1  Scan072
Report comparing vehicle performance and acceleration times using Petrol versus Pyrol fuel.11th May 1923Box 32 \ 1  Scan073
Laboratory report detailing the distillation and analysis of a petrol sample.11th May 1923Box 32 \ 1  Scan074
Instructions to Stores to return two empty 5-gallon drums used for special fuel testing to the Oil Supply Corporation Ltd.14th May 1923Box 32 \ 1  Scan075
Letter to the Oil Supply Corporation regarding fuel testing and a potential fuel source from United Dairies.14th May 1923Box 32 \ 1  Scan076
Letter from the Oil Supply Corporation Ltd. detailing comparative bench test results for PYNOL and PETROL fuels.15th May 1923Box 32 \ 1  Scan077
Letter from the Oil Supply Corporation regarding test results and supply of a fuel named 'PYNOL'.15th May 1923Box 32 \ 1  Scan078
Fuel consumption and performance test report comparing Pyrol and Petrol fuels on car 49 GB.15th May 1923Box 32 \ 1  Scan079
The testing and characteristics of 'Pynol' fuel.16th May 1923Box 32 \ 1  Scan080
The performance comparison of 'Pynol' fuel against standard petrol.15th May 1923Box 32 \ 1  Scan081
Bench test results comparing Petrol and 'Pynol' fuel on a Goshawk engine.15th May 1923Box 32 \ 1  Scan082
Road tests comparing 'Pynol' motor fuel with Petrol.15th May 1923Box 32 \ 1  Scan083
Hill climbing performance comparison between Petrol and Pynol fuels.15th May 1923Box 32 \ 1  Scan084
Graph comparing the horsepower and fuel consumption of Petrol versus Pynol for a Goshawk engine.15th May 1923Box 32 \ 1  Scan085
Stamped by the Print Room in Derby.17th May 1923Box 32 \ 1  Scan086
Graph of fuel tests showing the distillation curves and chemical analysis for Pynol and Shell No 1.17th May 1923Box 32 \ 1  Scan087
Reverse side of a document with a handwritten number and a date stamp.17th May 1923Box 32 \ 1  Scan088
The performance of Pynol fuel compared to petrol, outlining necessary engine modifications for its use.15th May 1929Box 32 \ 1  Scan089
From B.J. to Hs. discussing the confidentiality of a report on 'Pynol' fuel and whether to share it.19th May 1923Box 32 \ 1  Scan090
Covering letter forwarding correspondence from the R.A.C. regarding alcohol in petrol.1st Jun 1923Box 32 \ 1  Scan091
Copy of a letter from the Royal Automobile Club regarding the quality of petrol available in France due to laws on alcohol mixing.29th May 1923Box 32 \ 1  Scan092
Request to keep petrol storage tanks and bins constantly filled to the utmost capacity.26th Jun 1923Box 32 \ 1  Scan093
The performance differences of a 20 HP car using various brands of petrol.26th Oct 1923Box 32 \ 1  Scan094
Comparative tests on different grades of petrol to determine loading up during low-speed, full-throttle work.25th Oct 1923Box 32 \ 1  Scan095
Comparing the performance of 20 HP cars using various brands of petrol.25th Oct 1923Box 32 \ 1  Scan096
Covering memo for a report on an Anglo-America Petroleum Spirit sample, discussing test options and a further attachment.1st Jan 1924Box 32 \ 1  Scan097
Laboratory analysis report for a sample of Anglo-American Petroleum Spirit, detailing distillation results and chemical composition.17th Dec 1923Box 32 \ 1  Scan098
Laboratory report detailing the distillation test and chemical analysis of a Shell Aviation Motor Spirit sample.7th Apr 1923Box 32 \ 1  Scan099


Copyright Sustain 2025, All Rights Reserved.    whatever is rightly done, however humble, is noble
An unhandled error has occurred. Reload 🗙