| Description | Date | Identifier | |
| Scheme for fitting a regulator and following up on a previous request. | 24th May 1937 | Box 168a \ 4 img008 | |
| Prices, suppliers, and delivery details for Bakelite mouldings. | 2nd Jun 1937 | Box 168a \ 4 img009 | |
| Cost savings from using cheaper powder per chassis and the effect of material grade on prices. | 2nd Jun 1937 | Box 168a \ 4 img010 | |
| Price comparison table for various moulded insulation parts from different suppliers. | 2nd Jun 1937 | Box 168a \ 4 img011 | |
| Costing and lead time analysis for various parts, moulds, and jigs. | 2nd Jun 1937 | Box 168a \ 4 img012 | |
| Quotation comparison table for three different black Bakelite parts from various suppliers. | 12th Jun 1937 | Box 168a \ 4 img013 | |
| Outlining the electrical specifications and agreed upon components for the Wraith III model. | 12th Jun 1937 | Box 168a \ 4 img014 | |
| Electrical specification document for the Wraith III, listing components and their part numbers. | 7th Jun 1937 | Box 168a \ 4 img015 | |
| Parts list for various electrical components including switches and an instrument board. | 7th Jun 1937 | Box 168a \ 4 img016 | |
| Report discussing the integration of standard Lucas electrical equipment, including starter motors and dynamos, for the Wraith chassis. | 21th Jun 1937 | Box 168a \ 4 img017 | |
| Design of a fuse board, footpitch, and condenser, including materials and assembly. | 21th Jun 1937 | Box 168a \ 4 img018 | |
| Suitability and required modifications for using Lucas starter motors and dynamos. | 14th Jun 1937 | Box 168a \ 4 img019 | |
| Technical memorandum discussing the design and sourcing of various electrical components, including bearings and a fuse board unit. | 14th Jun 1937 | Box 168a \ 4 img020 | |
| Vehicle electrical components including wiring harnesses, switches, and switchboxes. | 14th Jun 1937 | Box 168a \ 4 img021 | |
| Ignition coils and distributors, and a plan for cooperation with Lucas to produce electrical equipment for investigation and trial. | 14th Jun 1937 | Box 168a \ 4 img022 | |
| Table of dynamo cutting-in speeds against car road speeds at various ratios. | 23th Jun 1937 | Box 168a \ 4 img023 | |
| Action points from a conference on chassis electrical components. | 23th Jun 1937 | Box 168a \ 4 img024 | |
| Instruction not to proceed with the scheme concerning R.R.Sch.1082 Fuses on all chassis. | 23th Jun 1937 | Box 168a \ 4 img025 | |
| Alteration notice for the Wraith III, detailing new blueprints for the distribution board and wiring due to a regulator change. | 15th Jul 1937 | Box 168a \ 4 img026 | |
| Status report on the development and testing of chassis electrical units. | 5th Aug 1937 | Box 168a \ 4 img027 | |
| Status update on the development and testing of various electrical components. | 5th Aug 1937 | Box 168a \ 4 img028 | |
| Endurance tests on Dagenite and Exide batteries for the Wraith model. | 7th Aug 1937 | Box 168a \ 4 img029 | |
| Faults and developments for various vehicle electrical components following a visit from a supplier. | 7th Aug 1937 | Box 168a \ 4 img030 | |
| Discussions with a Lucas representative regarding issues with a regulator and cutout unit. | 9th Aug 1937 | Box 168a \ 4 img031 | |
| Issues with R.K. modifications, particularly concerning the horns and horn relay. | 17th Aug 1937 | Box 168a \ 4 img032 | |
| Request to remove experimental electrical units from car GAE.20 before its disposal. | 17th Aug 1937 | Box 168a \ 4 img033 | |
| Requesting to revert the wiring on car B.23.AE back to standard after experiments with an earthed positive electrical system. | 17th Aug 1937 | Box 168a \ 4 img034 | |
| Work order for electrical repairs and modifications on Chassis 20.G.Vl. | 21th Sep 1937 | Box 168a \ 4 img035 | |
| Internal memorandum regarding a customer's recurring electrical system fault due to a shorting wire. | 9th Sep 1937 | Box 168a \ 4 img036 | |
| Specifications for the PHOENIX engine's electrical units: Dynamo, Motor, Ignition Distributor, and Ignition Coil. | 23th Sep 1937 | Box 168a \ 4 img037 | |
| Confirming the successful electrical testing of mouldings supplied by De La Rue & Co. | 12th Oct 1937 | Box 168a \ 4 img038 | |
| The experimental units to be removed from cars 33-EX and 36-EX before they are sold. | 22th Oct 1937 | Box 168a \ 4 img039 | |
| Notice of Mr. Allwood's appointment as Section Leader for the Experimental Design Section. | 2nd Nov 1937 | Box 168a \ 4 img040 | |
| Specification of Bentley III electrical equipment. | 5th Nov 1937 | Box 168a \ 4 img041 | |
| Cover note for the specification of Bentley III Electrical Equipment. | 8th Nov 1937 | Box 168a \ 4 img042 | |
| List of electrical components and parts specifications. | 8th Nov 1937 | Box 168a \ 4 img043 | |
| Cover memo for the specification of Bentley LXI Electrical Equipment. | 8th Nov 1937 | Box 168a \ 4 img044 | |
| Specification of Bentley III Electrical Equipment. | 8th Nov 1937 | Box 168a \ 4 img045 | |
| List of electrical components and their specifications, primarily for the Wraith model. | 8th Nov 1937 | Box 168a \ 4 img046 | |
| Test results for a Bentley at Brooklands, detailing speed, temperature and pressure data. | 8th Nov 1937 | Box 168a \ 4 img047 | |
| Test report detailing engine speed, revolution counter accuracy, and water temperature readings. | 8th Nov 1937 | Box 168a \ 4 img048 | |
| Performance and detonation test results for a 6.B.IV Bentley unit with a Deturbulated Cylinder Head. | 11th Nov 1937 | Box 168a \ 4 img049 | |
| Detonation tests comparing Ethyl and Dominion fuels, noting the effects of ignition timing on performance. | 11th Nov 1937 | Box 168a \ 4 img050 | |
| On the B.50 specification, stating it will be based on the B.III but use the Wraith engine, and calling a meeting for cost analysis. | 25th Nov 1937 | Box 168a \ 4 img051 | |
| Cover note for the revised specification of Bentley III electrical equipment. | 30th Nov 1937 | Box 168a \ 4 img052 | |
| Specification of Bentley III electrical equipment, revised. | 29th Nov 1937 | Box 168a \ 4 img053 | |
| Specification list for various electrical components including ignition, lighting, and horns. | 29th Nov 1937 | Box 168a \ 4 img054 | |
| List of electrical components including a Regulator & Cutout, a Footswitch, and a Windscreen Wiper Motor. | 20th Dec 1937 | Box 168a \ 4 img055 | |
| Confusion over the correct procedure for the electrical equipment on the Phantom III. | 20th Dec 1937 | Box 168a \ 4 img056 | |
| Correcting a report on starter switch adjustments and fuse circuit faults. | 20th Dec 1937 | Box 168a \ 4 img057 | |
| Outsourcing of electrical equipment for Bentley 111 and Bentley 50 models. | 7th Jan 1938 | Box 168a \ 4 img058 | |
| Price quotation from Lucas for electrical equipment for the Bentley 50 model, with a comparison to R.R. design prices. | 4th Jan 1938 | Box 168a \ 4 img059 | |
| Cost analysis and comparison of different lamp and horn equipment options, including new designs and supplier (Lucas) parts. | 19th Jun 1919 | Box 168a \ 4 img060 | |
| Cost breakdown and comparison for 'L' Series electrical equipment across four different configurations. | 19th Jun 1919 | Box 168a \ 4 img061 | |
| Requesting additions to a car's electrical specification. | 2nd Mar 1938 | Box 168a \ 4 img062 | |
| Dynamo and battery charging issues, with proposed modifications for different customer usage patterns. | 9th Mar 1938 | Box 168a \ 4 img063 | |
| Policy proposal for standardizing dynamos and regulators, including implementation details for Wraith and Bentley models. | 9th Mar 1938 | Box 168a \ 4 img064 | |
| Proposal to standardize and improve dynamo armatures and regulators for Wraith, Bentley, and Phantom III models. | 9th Mar 1938 | Box 168a \ 4 img065 | |
| Opinion on the benefits of introducing a modified dynamo for the Wraith and Bentley programme. | 9th Mar 1938 | Box 168a \ 4 img066 | |
| Removal and interchange of experimental units from chassis 32-EX. | 28th Mar 1938 | Box 168a \ 4 img067 | |
| Short memo outlining three design changes for the 'Phoenix' project. | 2nd Apr 1938 | Box 168a \ 4 img068 | |
| Instruction to change the electrical instruments on Bentley car B.56.BN. | 2nd Apr 1938 | Box 168a \ 4 img069 | |
| The electrical specification for the 1st Bentley 50 car. | 7th Apr 1938 | Box 168a \ 4 img070 | |
| Specification of the electrical equipment for the first Bentley 50 car. | 7th Apr 1938 | Box 168a \ 4 img071 | |
| List of electrical components and their specifications, including updates for Bentley models. | 7th Apr 1938 | Box 168a \ 4 img072 | |
| Specification sheet detailing various electrical components and fittings for different models. | 8th Dec 1937 | Box 168a \ 4 img073 | |
| Specification sheet detailing the regulator and cutout, petrol pump, and footswitch. | 8th Dec 1937 | Box 168a \ 4 img074 | |
| Electrical equipment parts list for the first Bentley 50 car. | 26th Apr 1938 | Box 168a \ 4 img075 | |
| Electrical specification for the 2nd and 3rd Bentley B.III cars, units 4 and 5. | 9th May 1938 | Box 168a \ 4 img076 | |
| Typed list detailing various electrical components and their associated part or drawing numbers. | 11th Aug 1926 | Box 168a \ 4 img077 | |
| Strip report on electrical units taken off a 26.G.VI after a 41,000-mile endurance run. | 11th Aug 1926 | Box 168a \ 4 img078 | |
| Technical report evaluating various electrical components including lamps, switches, and horns. | 11th May 1938 | Box 168a \ 4 img079 | |
| The condition and failures of a battery box, wiring harness, and various distributors. | 11th May 1938 | Box 168a \ 4 img080 | |
| Condition report on various electrical components including coils, a starter motor, and switches. | 11th May 1938 | Box 168a \ 4 img081 | |
| Modifications for fitting a new type instrument board to a Bentley Chassis 3.B.IV. | 18th May 1938 | Box 168a \ 4 img082 | |
| Strip report detailing the examination of electrical units after a 21,000-mile test. | 19th May 1938 | Box 168a \ 4 img083 | |
| Technical report discussing issues with filament resistance, horn securing screws, and damage to H.T. wires. | 19th May 1938 | Box 168a \ 4 img084 | |
| Ballast resistance and wiring harness for the Bentley 111 electrical system. | 6th Jul 1938 | Box 168a \ 4 img085 | |
| Visit to Lucas to discuss high prices and negotiate reductions for supplied articles. | 14th Nov 1938 | Box 168a \ 4 img086 | |
| Sourcing and pricing discussions for various car components including headlamps, batteries, heaters, and cable harnesses. | 14th Nov 1938 | Box 168a \ 4 img087 | |
| Page discussing competitor pricing strategy and awaiting further proposals regarding headlamps. | 14th Nov 1938 | Box 168a \ 4 img088 | |
| Letter from M.C.L. and Repetition Ltd detailing their manufacturing activities in their Electrical Department. | 14th Nov 1938 | Box 168a \ 4 img089 | |
| Continuation sheet of a letter from M.C.L. and Repetition Ltd. offering to quote for cable harnesses. | 12th Jan 1939 | Box 168a \ 4 img090 | |
| Specification of electrical equipment for the Bentley Chassis 10.B.V. | 12th Jan 1939 | Box 168a \ 4 img091 | |
| Index page listing electrical components with their corresponding List of Parts (LOP) and drawing references. | 12th Jan 1939 | Box 168a \ 4 img092 | |
| List of electrical components and their corresponding documentation references, specifically mentioning the Standard Wraith model. | 12th Jan 1939 | Box 168a \ 4 img093 | |
| List of alterations and modifications to the specification for the Bentley Chassis 3.B.50. | 16th Jan 1939 | Box 168a \ 4 img094 | |
| The specifications for electrical equipment and parts ordering for Section 7190. | 16th Jan 1939 | Box 168a \ 4 img095 | |
| Minutes of a meeting to settle outstanding specification details for the first batch of Standardised Saloon Bodies for the Bentley V. | 18th Jan 1939 | Box 168a \ 4 img096 | |
| List of design decisions and modifications for various vehicle components. | 18th Jan 1939 | Box 168a \ 4 img097 | |
| List of agreed-upon design and development points for various car components. | 19th Jan 1939 | Box 168a \ 4 img098 | |
| Electrical circuit for car heaters and a proposal for a new warning light scheme. | 19th Jan 1939 | Box 168a \ 4 img099 | |
| Electrical specification document for Chassis B.V. - No. 10. | 23th Jan 1939 | Box 168a \ 4 img100 | |
| List of vehicle components and their associated part numbers, referencing when they were issued. | 23th Jan 1939 | Box 168a \ 4 img101 | |
| Examination report on electrical units after a 15,000-mile test in France. | 2nd Dec 1938 | Box 168a \ 4 img102 | |
| The condition of a starter motor, automatic switch, and dynamo after testing. | 2nd Dec 1938 | Box 168a \ 4 img103 | |
| The condition and performance of various electrical components after mileage testing. | 2nd Dec 1938 | Box 168a \ 4 img104 | |
| The performance and issues of various electrical components including switchboxes, horns, lamps, and switches. | 2nd Dec 1938 | Box 168a \ 4 img105 | |
| Test report on H.T. cables, Champion plugs, Lucas windscreen wiper, and bulbs for a vehicle. | 2nd Dec 1938 | Box 168a \ 4 img106 | |
| Instructions for the preparation of Car 9.B.V. for a 15,000 miles trial. | 10th Feb 1939 | Box 168a \ 4 img107 | |
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