| Description | Date | Identifier | |
| Letter requesting a formal letter of agreement be sent to Mr. Punt, with a copy to Mr. Hall. | 12th Feb 1936 | Box 90a \ 4 Scan015 | |
| On hotel letterhead regarding a scale drawing for a body proposed for the Le Mans 24-hour race. | 12th Feb 1936 | Box 90a \ 4 Scan016 | |
| The placement of the tank and filler cap to conform to the body shape. | 14th Feb 1936 | Box 90a \ 4 Scan017 | |
| Request for a letter of authority and vehicle specifications for Mr. E.R. Hall's entry into the A.C.F. Grand Prix. | 14th Feb 1936 | Box 90a \ 4 Scan018 | |
| Letter to Mrs. E.R. Hall regarding a job, requiring a model at Derby and a meeting with Mr. Sidgreaves. | 22th Feb 1936 | Box 90a \ 4 Scan019 | |
| Cover letter to E.R. Hall enclosing a copy of a letter addressed to him at Berkeley Court. | 25th Jan 1936 | Box 90a \ 4 Scan020 | |
| Letter to E.R. Hall requesting information on car tests and mileage clarification. | 25th Jan 1936 | Box 90a \ 4 Scan021 | |
| Mr. E.R. Hall's entry into the Grand Prix A.C.F., with a handwritten note stating he is withdrawing from the race. | 25th Feb 1936 | Box 90a \ 4 Scan022 | |
| Letter to E.R. Hall confirming a decision not to enter the French T.T. and attaching a blueprint of his car. | 27th Feb 1936 | Box 90a \ 4 Scan023 | |
| Confirming Mr. E.R. Hall's withdrawal from the Grand Prix A.C.F. race. | 28th Feb 1936 | Box 90a \ 4 Scan024 | |
| Brief acknowledgement note regarding Mr. E.R. Hall. | 2nd Mar 1936 | Box 90a \ 4 Scan025 | |
| Le Mans 24-hour race regulations and petrol strategy. | 5th Mar 1936 | Box 90a \ 4 Scan026 | |
| Letter to Offord & Sons Ltd. regarding the petrol tank and spare wheel position for Mr. Hall's car. | 5th Mar 1936 | Box 90a \ 4 Scan027 | |
| Letter to E.R. Hall regarding a sketch sent to Offord for work on a car body, requesting a model be brought for discussion. | 5th Mar 1936 | Box 90a \ 4 Scan028 | |
| E.R. Hall's Le Mans and T.T. race entries and the development of a 'Large Bore' engine. | 7th Mar 1936 | Box 90a \ 4 Scan029 | |
| Letter to E.R. Hall with a suggestion for writing to the R.A.C. concerning their T.T. Regulations. | 9th Mar 1936 | Box 90a \ 4 Scan030 | |
| The 1936 T.T. race regulations, eligibility, and proposed rules for modifications and production volumes. | 9th Mar 1936 | Box 90a \ 4 Scan031 | |
| Page discussing competition with Bentley and the flexibility of regulations. | 10th Mar 1936 | Box 90a \ 4 Scan032 | |
| Letter to E.R. Hall regarding a potential addition to the T.T. Regulations for car specifications. | 10th Mar 1936 | Box 90a \ 4 Scan033 | |
| Development of a large bore engine for Mr. E.R. Hall's Le Mans and T.T. racing car. | 11th Mar 1936 | Box 90a \ 4 Scan034 | |
| Private memo seeking advice on car modifications for the Le Mans race, focusing on fuel capacity, engine compression regulations, and brakes. | 12th Mar 1936 | Box 90a \ 4 Scan035 | |
| Letter discussing a float feed oil modification and clarifying the scope of work on a motor car. | 12th Mar 1936 | Box 90a \ 4 Scan036 | |
| Letter to Mrs. E.R. Hall concerning the design of a larger petrol tank and spare wheel carrier for a Bentley for the 24 hours race. | 12th Mar 1936 | Box 90a \ 4 Scan037 | |
| Request to manufacture a flange from an attached sketch for an oil replenishing scheme experiment on E.R. Hall's car. | 13th Mar 1936 | Box 90a \ 4 Scan038 | |
| The despatch of a loaned M.G. Crankcase Lower Half to its owner. | 14th Mar 1936 | Box 90a \ 4 Scan039 | |
| Letter confirming the despatch of an M.G. Crankcase Lower Half to E.R. Hall. | 14th Mar 1936 | Box 90a \ 4 Scan040 | |
| Letter discussing race strategy for the Le Mans race, covering fuel, weight, and engine compression. | 16th Jun 1936 | Box 90a \ 4 Scan041 | |
| Instructions and regulations regarding brakes, oil/radiator caps, and wheels for a race car, likely for the Le Mans 24-hour race. | 16th Mar 1936 | Box 90a \ 4 Scan042 | |
| Common vehicle failures and recommended preparations for long-distance driving or racing. | 16th Mar 1936 | Box 90a \ 4 Scan043 | |
| Letter providing advice and observations on preparing for the Le Mans race. | 16th Mar 1936 | Box 90a \ 4 Scan044 | |
| Letter in French from Géo Lefèvre concerning the regulations for the 24 Hours of Le Mans race. | 16th Mar 1936 | Box 90a \ 4 Scan045 | |
| Thank you letter regarding the Le Mans regulations. | 18th Mar 1936 | Box 90a \ 4 Scan046 | |
| Changing the destination for chassis BLG6-GA from Lillie Hall to the Experimental Department. | 17th Mar 1936 | Box 90a \ 4 Scan047 | |
| Oil replenishing scheme for E.R. Hall's car, to be properly drawn up. | 17th Mar 1936 | Box 90a \ 4 Scan048 | |
| Letter to E.R. Hall regarding race car specifications, preparations and logistics. | 18th Mar 1936 | Box 90a \ 4 Scan049 | |
| Letter from 'Guy' to 'Harry' detailing the outcomes of an R.A.C. Competition Committee meeting regarding vehicle rules. | 18th Mar 1936 | Box 90a \ 4 Scan050 | |
| Confusion over a request from Mr. E.R. Hall for a spare wheel bracket. | 20th Mar 1936 | Box 90a \ 4 Scan051 | |
| Preparations for Mr. E.R. Hall's car for Le Mans, including work on a new chassis and fittings. | 30th Mar 1936 | Box 90a \ 4 Scan052 | |
| Letter to L.R. Hall requesting he obtain a pair of Hartford Shock Absorbers, type 306.M. | 30th Mar 1936 | Box 90a \ 4 Scan053 | |
| Request for an engine number required for the Le Mans entry forms. | 30th Mar 1936 | Box 90a \ 4 Scan054 | |
| Letter discussing the thirty-two gallon tank capacity required for a three-hour run and arranging accommodation. | 30th Mar 1936 | Box 90a \ 4 Scan055 | |
| On headed paper discussing an arrangement with Mr. Offord about the height of a petrol filler on a car body. | 30th Mar 1936 | Box 90a \ 4 Scan056 | |
| Letter regarding a trap door for filler access and requesting the engine number. | 30th Mar 1936 | Box 90a \ 4 Scan057 | |
| Letter from the Anglo-American Oil Company seeking consent to use Essolube 'Racer' oil in a Bentley. | 30th Mar 1936 | Box 90a \ 4 Scan058 | |
| Specification sheet for Essolube 'Racer' lubricant. | 31th Mar 1936 | Box 90a \ 4 Scan059 | |
| Letter to the Anglo-American Oil Company Ltd. regarding a query about oils. | 31th Mar 1936 | Box 90a \ 4 Scan060 | |
| Requesting the engine number for Mr. Hall's new chassis. | 31th Mar 1936 | Box 90a \ 4 Scan061 | |
| Letter to E.R. Hall regarding the choice of engine oil for a Bentley set to race at Le Mans. | 31th Mar 1936 | Box 90a \ 4 Scan062 | |
| Letter confirming hotel room reservations for the Le Mans race and clarifying the booking dates. | 31th Mar 1936 | Box 90a \ 4 Scan063 | |
| Internal request for an engine number for Mr. Hall's new chassis, with the details provided. | 31th Mar 1936 | Box 90a \ 4 Scan064 | |
| To Roy requesting an official order for 50 gallons of pure Benzol for the Le Mans race, specifying the required specific gravity. | 1st Apr 1936 | Box 90a \ 4 Scan065 | |
| Letter to the Anglo-American Oil Co. Ltd. detailing the required specifications for Benzol fuel for the 14th Grand Prix D'Endurance at Le Mans. | 1st Apr 1936 | Box 90a \ 4 Scan066 | |
| Page 2 of a letter discussing fuel specifications and procurement from France. | 1st Apr 1936 | Box 90a \ 4 Scan067 | |
| Letter from the Anglo-American Oil Company regarding a potential collaboration on the subject of Essolube. | 1st Apr 1936 | Box 90a \ 4 Scan068 | |
| Letter responding to an enquiry about obtaining a pair of rear Hartfords. | 30th Apr 1936 | Box 90a \ 4 Scan069 | |
| Querying how to account for expenses related to Le Mans race preparations. | 1st Apr 1936 | Box 90a \ 4 Scan070 | |
| Letter to Mrs. E.R. Hall regarding fitting Hartford type shock absorbers to a Bentley. | 2nd Apr 1936 | Box 90a \ 4 Scan071 | |
| The experimental testing and procurement of 12/41 ratio Hypoid bevel gears for a Bentley chassis rear axle. | 2nd Apr 1936 | Box 90a \ 4 Scan072 | |
| Copy of a cablegram to Gleason Works in New York requesting the urgent despatch of Hypoid Gears. | 6th May 1936 | Box 90a \ 4 Scan073 | |
| Specifications for E.R. Hall's petrol tank. | 2nd Apr 1936 | Box 90a \ 4 Scan074 | |
| Letter from the Anglo-American Oil Company regarding the suitability of their Motor Benzole for the Grand Prix D'Endurance. | 2nd Apr 1936 | Box 90a \ 4 Scan075 | |
| Letter to the Anglo-American Oil Company requesting 50 gallons of French Benzole for testing ahead of the Le Mans race. | 3rd Apr 1936 | Box 90a \ 4 Scan076 | |
| Doubling the quantity of spare oil for the Bentley at Le Mans. | 3rd Apr 1936 | Box 90a \ 4 Scan077 | |
| Work on chassis B-106-GA for customer billing. | 3rd Apr 1936 | Box 90a \ 4 Scan078 | |
| Letter to Mr Leslie about forwarding a pair of rear and front jacks. | 3rd Apr 1936 | Box 90a \ 4 Scan079 | |
| Confirming a delay will not hold up the work. | 4th Apr 1936 | Box 90a \ 4 Scan080 | |
| Letter from the Anglo-American Oil Company regarding the shipment of 50 gallons of French Benzole. | 4th Apr 1936 | Box 90a \ 4 Scan081 | |
| Letter from India Tyre & Rubber Co. regarding a Dunlop blueprint and rim construction. | 4th Apr 1936 | Box 90a \ 4 Scan082 | |
| Letter regarding a drawing for a 4.00 x 19 wheel and associated correspondence from other tyre companies. | 6th Apr 1936 | Box 90a \ 4 Scan083 | |
| Letter regarding wheel modifications by Dunlop's and chassis delivery to Derby Works. | 6th Apr 1936 | Box 90a \ 4 Scan084 | |
| Plan of work for Mr. E.R. Hall's car post-race. | 6th Apr 1936 | Box 90a \ 4 Scan085 | |
| From E.W. Hall detailing a list of required preparations and specifications for the Le Mans race car. | 6th Apr 1936 | Box 90a \ 4 Scan086 | |
| Required modifications for brake jaggers and the development of a special oil gauge. | 6th Apr 1936 | Box 90a \ 4 Scan087 | |
| Request to The Ethyl Export Corporation to test the knock rating of English and French Benzole fuels for Le Mans. | 6th Apr 1936 | Box 90a \ 4 Scan088 | |
| Letter from India Tyre & Rubber Co. Ltd. to Mrs. E.R. Hall regarding tyre dimensions. | 7th Apr 1936 | Box 90a \ 4 Scan089 | |
| Specifications for a spare oil tank for E.R. Hall's car. | 8th Apr 1936 | Box 90a \ 4 Scan090 | |
| The completion of a design for aluminium brake drums for the Le Mans race. | 3rd Apr 1936 | Box 90a \ 4 Scan091 | |
| Room booking arrangements for the Le Mans practice sessions. | 8th Apr 1936 | Box 90a \ 4 Scan092 | |
| Device to prevent dangerous brake jaggers on the Bentley, with a discussion on using aluminium brake drums at Le Mans. | 8th Apr 1936 | Box 90a \ 4 Scan093 | |
| Letter concerning the quality testing of Benzole samples from Le Mans. | 8th Apr 1936 | Box 90a \ 4 Scan094 | |
| Telegram received by telephone with instructions to call the S R Hotel Negresco in Nice. | 9th Apr 1936 | Box 90a \ 4 Scan095 | |
| Letter from Richard at John Summers & Sons discussing vehicle performance issues like brakes, suspension, and acceleration. | 14th Apr 1936 | Box 90a \ 4 Scan096 | |
| Letter providing feedback on a trial of two new Bentley cars, detailing performance, springing, braking, engine noise, and body styling. | 14th Apr 1936 | Box 90a \ 4 Scan097 | |
| Letter detailing a list of complaints and requested modifications for a car. | 14th Apr 1936 | Box 90a \ 4 Scan098 | |
| Modifications to the instrument board fixing and oil filler for a Le Mans car. | 15th Apr 1936 | Box 90a \ 4 Scan099 | |
| Modifications required for a car with a new streamlined body before testing at Monthlery circuit. | 15th Apr 1936 | Box 90a \ 4 Scan100 | |
| Internal request to issue an order for Green Cord for the road springs of chassis B-35-AE. | 16th Apr 1936 | Box 90a \ 4 Scan101 | |
| Request to S. Smith & Sons for a bespoke large-faced petrol gauge for E.R. Hall's car, which is running at Le Mans. | 16th Apr 1936 | Box 90a \ 4 Scan102 | |
| Letter to E.R. Hall regarding the return of a Notek headlamp and the fitting of Marchal headlamps for a race. | 16th Apr 1936 | Box 90a \ 4 Scan103 | |
| Request to borrow and modify a set of Bentley brake shoes for E.R. Hall's Le Mans car. | 17th Apr 1936 | Box 90a \ 4 Scan104 | |
| Letter from S. Smith & Sons acknowledging a request concerning an Electric Petrol Gauge for Mr. E.R. Hall's car. | 17th Apr 1936 | Box 90a \ 4 Scan105 | |
| List of points raised by Mr. E.R. Hall during a works visit regarding car modifications. | 17th Apr 1936 | Box 90a \ 4 Scan106 | |
| Letter from S. Smith & Sons discussing the dial size and a warning light for a special petrol gauge for Mr E.R. Hall's car. | 18th Apr 1936 | Box 90a \ 4 Scan107 | |
| Four modifications for E.R. Hall's B-21 engine, based on findings from a dismantled B-3 unit. | 20th Apr 1936 | Box 90a \ 4 Scan108 | |
| Letter from S. Smith & Sons regarding a proposed Petrol Gauge Meter and tank unit. | 20th Apr 1936 | Box 90a \ 4 Scan109 | |
| Outline drawing for a Bircraft Type E.P.G. petrol meter, made by S. Smith & Sons. | 10th Oct 1931 | Box 90a \ 4 Scan110 | |
| Drawing of an electric petrol gauge and its aircraft tank attachment. | 22th Feb 1934 | Box 90a \ 4 Scan111 | |
| Letter to E.R. Hall regarding the design of a petrol tank for a Le Mans car. | 21th Apr 1936 | Box 90a \ 4 Scan112 | |
| Letter to Mrs. E.R. Hall detailing proposed modifications for a 4¼ litre Bentley chassis. | 23th Apr 1936 | Box 90a \ 4 Scan113 | |
| Letter detailing vehicle modifications and discussing chassis delivery arrangements. | 23th Apr 1936 | Box 90a \ 4 Scan114 | |
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