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                
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DescriptionDateIdentifier
Recommending the sale of a pair of Lucas W.T.22 under bonnet horns.2nd Jul 1938Box 163 \ 4  img047
Authorizing early leave and wage payment for an employee named C.A. Pignatt.20th Jul 1938Box 163 \ 4  img048
Requesting a partition be raised in the Chassis Electrical Laboratory to accommodate charts.21th Jul 1938Box 163 \ 4  img049
Outlining the procedure for creating a List of Parts (L.O.P's) for the B.III model.14th Sep 1938Box 163 \ 4  img050
Recommendation to sell an obsolete rev-counter instrument from the laboratory for 15 shillings.22th Sep 1938Box 163 \ 4  img051
Proposing a new system for filing extracts from periodicals.27th Sep 1938Box 163 \ 4  img052
File index listing titles for various technical categories.9th Sep 1938Box 163 \ 4  img053
Directive instructing staff to maintain a record of service failures on chassis parts, noting when they occur and at what mileage.9th Sep 1938Box 163 \ 4  img054
Announcing that all design and experimental work on Phantom III is to be stopped.30th Sep 1938Box 163 \ 4  img055
Requesting subscriptions to the 'Technical Electrical Review' and 'Wireless World' magazines for the library.4th Nov 1938Box 163 \ 4  img056
Parts release for production of 50 B.V. motor-cars and the associated chassis pricing.24th Nov 1938Box 163 \ 4  img057
Recommendation to sell an obsolete pair of headlamps to an employee for £1.0s.0d.7th Dec 1938Box 163 \ 4  img058
Parts availability and specification changes for the next B.V. car model for France.22th Dec 1938Box 163 \ 4  img059
Notice regarding deadlines for the submission of weekly bonus cards.24th Dec 1938Box 163 \ 4  img060
Recommendation to sell a pair of obsolete and damaged headlamps for 15/-.11th Jan 1939Box 163 \ 4  img061
Logistical issues caused by a laboratory relocation and a proposal for a new location.31th Jan 1939Box 163 \ 4  img062
The stripping and examination of 'By's Bentley' after 50,000 miles.31th Jan 1939Box 163 \ 4  img063
Modifications to a Bentley Outline Specification.8th Feb 1939Box 163 \ 4  img064
Recommendation to sell a Motorola radio set, removed from a car, to Mr. F. Dodd for £2.18th Feb 1939Box 163 \ 4  img065
Authorizing the transfer of an engineering apprentice between departments.13th Mar 1939Box 163 \ 4  img066
The submission deadlines for bonus cards around the 1939 Easter holidays.30th Mar 1939Box 163 \ 4  img067
Announcing a meeting to discuss general development progress, with an attached provisional agenda.5th Apr 1939Box 163 \ 4  img068
Provisional agenda listing twenty points for engineering discussion.5th Apr 1939Box 163 \ 4  img069
Numbered list of action items and queries concerning various car models and components.5th Apr 1939Box 163 \ 4  img070
Letter from John Marston Limited requesting a duplicate wiring diagram for a Phantom III engine that was lost.5th May 1939Box 163 \ 4  img071
Clarifying the use of order numbers for Test Beds and Test Tackle.10th May 1939Box 163 \ 4  img072
Letter from the Experimental Department to John Marston Ltd. regarding a switchboard wiring diagram and exhaust flanges.12th May 1939Box 163 \ 4  img073
The early submission of bonus cards for Whitsuntide holiday pay.23th May 1939Box 163 \ 4  img074
Requesting a refund of fourpence to J. Jones.15th Jun 1939Box 163 \ 4  img075
Disposal of experimental parts and a request to identify any that require saving.19th Jun 1939Box 163 \ 4  img076
Various parts from vehicles/engines 35.EX and 28.G.VI.20th Jun 1939Box 163 \ 4  img077
The non-renewal of wireless licences for specific vehicles.30th Jun 1939Box 163 \ 4  img078
Requesting a change of periodical from 'Electrical Review' to 'Electrical Engineer'.30th Jun 1939Box 163 \ 4  img079
Listing the 1939 summer holiday dates for electrical laboratory staff.11th Jul 1939Box 163 \ 4  img080
Recommending the sale of an obsolete Philco radio set for £2.0.0d.21th Jul 1939Box 163 \ 4  img081
Confirming instructions to issue a covering order for both invoices.17th Oct 1939Box 163 \ 4  img082
In-house manufacturing of electrical components for model 31.G.VII.4th Dec 1939Box 163 \ 4  img083
Request for two padlocks for cupboards in the electrical lab due to the theft of lamps and plugs.12th Dec 1939Box 163 \ 4  img084
Request to obtain 6 heater motors from Messrs. Lucas Ltd. for experimental cars.18th Dec 1939Box 163 \ 4  img085
The protocol for visits by outside representatives to the Car Division.30th Jan 1940Box 163 \ 4  img086
Internal memorandum regarding compulsory military service for an employee.5th Mar 1940Box 163 \ 4  img087
To all testers requesting the return of sheets relating to equipment at the Clan Foundry.21th Mar 1940Box 163 \ 4  img088
Compulsory military service, requesting the registration details for two employees.9th Apr 1940Box 163 \ 4  img089
Short memo granting leave to M. H. Castledine for an examination.7th May 1940Box 163 \ 4  img090
Follow-up memo regarding the overdue arrangement for an expert to manage and report on departmental instruments.17th May 1940Box 163 \ 4  img091
Letter to Messrs. ROTAX Ltd. acknowledging receipt of their letter and an E160 Service Manual.29th Nov 1940Box 163 \ 4  img092
Proposed design and component layout for the 'Myth' dashboard.3rd Dec 1940Box 163 \ 4  img093
Production capabilities of Delco-Remy & Hyatt Ltd. and forwarding their letter for consideration.21th Dec 1940Box 163 \ 4  img094
Installation and wiring of an electric motor and heater at the Clan Foundry.11th Feb 1941Box 163 \ 4  img095
Enquiry to A.T. Speedometer Co. about a suitable electrical tachometer of the generator-cum-vacuum type.7th Feb 1941Box 163 \ 4  img096
Urgent internal order request for B.T.H. magnetos for development purposes.13th Feb 1941Box 163 \ 4  img097
Letter to A.T. Speedometer Co. regarding instrument calibration, coupling, and generator rotation.26th Feb 1941Box 163 \ 4  img098
The performance of electrical components after 49,499 miles of service on the 10 B.V. vehicle.27th Mar 1944Box 163 \ 4  img099
Electrical work and repairs carried out on experimental car 10 B.V.27th Mar 1944Box 163 \ 4  img100
Report page detailing electrical faults and repairs on various gauges and lamps.21th Mar 1944Box 163 \ 4  img101
Condition report on various engine components including a distributor, coils, harness, and battery.21th Mar 1944Box 163 \ 4  img102
Maintenance report on vehicle 10 B.V., detailing work on the starter motor, windscreen wiper, and trafficators.2nd Mar 1944Box 163 \ 4  img103
Letter from AC-SPHINX SPARKING PLUG Co. Ltd. regarding samples of Heat Shaped Piston Rings.16th Jan 1934Box 163 \ 5  img001
Letter from The AC-Sphinx Sparking Plug Co. Ltd. regarding sample piston rings being ready for dispatch.25th Jan 1934Box 163 \ 5  img002
Letter to A.C. Sphinx Sparking Plug Co. Ltd. regarding the despatch and testing of piston rings.27th Jan 1934Box 163 \ 5  img003
Request to obtain one sample 10 mm Y4 A.C. Spark plug from the A.C. Sparking Plug CO.23th May 1934Box 163 \ 5  img004
Letter from AC-Sphinx Sparking Plug Co. Ltd. regarding an order for 10 mm type Y-4 experimental sparking plugs.5th Jun 1934Box 163 \ 5  img005
Request for samples of A.C. detachable aero plugs with insulators in Cintercorund material for experimental testing.29th Feb 1936Box 163 \ 5  img006
Letter to AC-Sphinx Sparking Plug Co. Ltd. arranging a meeting.5th Mar 1936Box 163 \ 5  img007
Letter from AC-Sphinx Sparking Plug Co. regarding aero engine spark plugs with sinterkorund insulators.13th Mar 1936Box 163 \ 5  img008
Letter from AC-Sphinx Sparking Plug Co. Ltd. regarding the development of Aero Plugs with sinterkorund insulators.3rd Mar 1936Box 163 \ 5  img009
Letter from AC-Sphinx Sparking Plug Co. regarding the supply of experimental sparking plugs and issues with their American ownership.6th Apr 1936Box 163 \ 5  img010
Letter from AC-Sphinx Sparking Plug Co. Ltd. discussing research sharing, business connections, and a society membership application.7th Apr 1936Box 163 \ 5  img011
Recommendation to support A.C. Sphinx Sparking Plug Co. Ltd.'s application for S.B.A.C. membership.7th Apr 1936Box 163 \ 5  img012
From Sg. to Hs. concerning the SBAC Council application of A.C. Sphinx Sparking Plug Co. Ltd.8th Apr 1936Box 163 \ 5  img013
Letter to the AC-Sphinx Sparking Plug Co. regarding plug availability and another request.8th Apr 1936Box 163 \ 5  img014
Letter from AC-Sphinx Sparking Plug Co. Ltd. sending sample plugs with sinterkorund insulators for testing.9th Apr 1936Box 163 \ 5  img015
Continuation sheet from a letter sent by the Managing Director of The AC-Sphinx Sparking Plug Co., Ltd.14th Apr 1936Box 163 \ 5  img016
Letter from AC-Sphinx Sparking Plug Co. Ltd. regarding a 'blowing' issue with experimental detachable spark plugs.14th Apr 1936Box 163 \ 5  img017
Letter from AC-Sphinx Sparking Plug Co. regarding issues with sample plugs and sending non-detachable replacements.18th Apr 1936Box 163 \ 5  img018
Letter from AC-Sphinx Sparking Plug Co. Ltd. regarding the testing of sinterkorund spark plugs and requesting a sample of a mica plug.29th Apr 1936Box 163 \ 5  img019
Letter to the AC-Sphinx Sparking Plug Co. Ltd. regarding the testing of non-detachable plugs.30th Apr 1936Box 163 \ 5  img020
Letter from AC-Sphinx Sparking Plug Co. regarding the dispatch of sample Sinterkorund spark plugs for testing.9th May 1936Box 163 \ 5  img021
Order for one dozen A.C. sparking plugs, type K.11.14th May 1936Box 163 \ 5  img022
Letter to the A.C. Sparking Plug Co. Ltd. regarding the results of tests on their sparking plugs with ceramic insulators.22th May 1936Box 163 \ 5  img023
Letter from AC-Sphinx Sparking Plug Co. Ltd. discussing tests on experimental sinterkorund plugs and arranging a meeting.25th May 1936Box 163 \ 5  img024
Letter to the Air Ministry detailing the results of tests on A.C. spark plugs with new Sinterkorund insulators.29th May 1936Box 163 \ 5  img025
Test report on the performance of spark plugs, types X405 and X406, run in an 'Exe' single-cylinder unit.29th May 1936Box 163 \ 5  img026
Letter to AC-Sphinx Sparking Plug Co. Ltd. regarding a report on their aero sparking plugs sent to the Air Ministry.29th May 1936Box 163 \ 5  img027
Letter from AC-Sphinx regarding the supply and testing of various types of sinterkorund and K9 spark plugs.29th May 1936Box 163 \ 5  img028
Continuation letter from AC-Sphinx Sparking Plug Co. Ltd. regarding sinterkorund plugs and instrument samples for a Bentley.4th Jun 1936Box 163 \ 5  img029
Letter from AC-Sphinx Sparking Plug Co. regarding screened plugs and potential patent infringement.4th Jun 1936Box 163 \ 5  img030
Letter declining to provide particulars for a British patent related to screening plugs.5th Jun 1936Box 163 \ 5  img031
Letter from AC-Sphinx Sparking Plug Co. Ltd. discussing the design and dimensions of a proposed 14mm shielded spark plug.5th Jun 1936Box 163 \ 5  img032
Letter to AC-Sphinx Sparking Plugs Ltd. regarding a design conflict with a hexagon dimension.6th Jun 1936Box 163 \ 5  img033
Letter to AC-Sphinx Sparking Plug Co. Ltd. regarding blueprints for standard instruments.11th Jun 1936Box 163 \ 5  img034
Letter from AC-Sphinx Sparking Plug Co. Ltd. regarding manufacturing difficulties with Sinterkorund plugs for a Bentley.12th Jun 1936Box 163 \ 5  img035
Letter from AC-Sphinx Sparking Plug Co. Ltd. concerning the hexagon size on experimental sinterkorund plugs.12th Jun 1936Box 163 \ 5  img036
Letter to AC-Sphinx Sparking Plug Co. Ltd. regarding the impossibility of reducing a barrel's length.15th Jun 1936Box 163 \ 5  img037
Letter from AC-Sphinx Sparking Plug Co. Ltd. enclosing blueprints for aircraft sinterkorund plugs for testing.15th Jun 1936Box 163 \ 5  img038
Blueprint for an experimental 14mm plug assembly.15th Jun 1936Box 163 \ 5  img039
Drawing of an experimental 14mm plug assembly.15th Jun 1936Box 163 \ 5  img040
Letter to AC-Sphinx Sparking Plug Co. Ltd. confirming the dimensional correctness of submitted drawings.16th Jun 1936Box 163 \ 5  img041
Letter to A.C. Sphinx Sparking Plug Co. Ltd. about the status of aero sparking plugs and proposing motor car plugs for Bentley chassis.6th Jul 1936Box 163 \ 5  img042
Follow-up letter regarding tests on A.C. sparking plugs and their length.6th Jul 1936Box 163 \ 5  img043


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