| Description | Date | Identifier | |
| List of proposed spares to be carried on a car during a 24-hour race. | 23th Apr 1936 | Box 90a \ 4 Scan115 | |
| Letter to S. Smith & Sons, Ltd. regarding a special petrol gauge for Mr. Hall's car. | 23th Apr 1936 | Box 90a \ 4 Scan116 | |
| Letter from S. Smith & Sons regarding the tank unit, meter, and dial for Mr. E.L. Hall's Le Mans Car. | 24th Apr 1936 | Box 90a \ 4 Scan117 | |
| Outlining preparation points for Mr. E.R. Hall's car, including sealing pipes and a list of spares for a race. | 24th Apr 1936 | Box 90a \ 4 Scan118 | |
| Delivery note from CEANDESS, LTD. for a sample P.779 filler cap. | 25th Apr 1936 | Box 90a \ 4 Scan119 | |
| Letter from Ceandess Ltd. regarding a blueprint and a standard filler cap sent for consideration. | 25th Apr 1936 | Box 90a \ 4 Scan120 | |
| Order for 250 gallons of French Benzol from the Anglo-American Oil Co. | 27th Apr 1936 | Box 90a \ 4 Scan121 | |
| Letter from a supplier discussing specifications and supply of a car tank filler cap and adaptor. | 27th Apr 1936 | Box 90a \ 4 Scan122 | |
| Blueprint for a 4 inch filler base made from a 'Y' alloy casting. | 16th May 1935 | Box 90a \ 4 Scan123 | |
| Drawing of a 4 inch assembled filler cap. | 3rd Jun 1935 | Box 90a \ 4 Scan124 | |
| Blueprint for a screwed ring for a 4 inch filler cap, made from a Y'Alloy casting. | 20th May 1935 | Box 90a \ 4 Scan125 | |
| Precautionary measures for the electrical equipment on E.R. Hall's car before a race. | 27th Apr 1936 | Box 90a \ 4 Scan126 | |
| Telegram regarding the despatch of bonnet sides by train. | 28th Apr 1936 | Box 90a \ 4 Scan127 | |
| Brief typed message arranging for the collection of bonnet sides. | 28th Apr 1936 | Box 90a \ 4 Scan128 | |
| Letter to E.R. Hall regarding the dispatch of chassis B-216-GA. | 28th Apr 1936 | Box 90a \ 4 Scan129 | |
| Letter to S. Smith & Sons regarding specifications for a petrol gauge for Mr. E.R. Hall's Bentley. | 28th Apr 1936 | Box 90a \ 4 Scan130 | |
| Development of an automatic oil feed system for E.R. Hall's Le Mans car. | 28th Apr 1936 | Box 90a \ 4 Scan131 | |
| Letter from S. Smith & Sons regarding an order for a three-wire oil gauge instrument, sump attachment, and meter. | 29th Apr 1936 | Box 90a \ 4 Scan132 | |
| The billing procedure for work on E.R. Hall's car for the Le Mans Race. | 29th Apr 1936 | Box 90a \ 4 Scan133 | |
| Letter from S. Smith & Sons (Motor Accessories) Ltd regarding a petrol gauge for Mr. E.R. Hall's Le Mans Car. | 29th Apr 1936 | Box 90a \ 4 Scan134 | |
| Complete list of spares and tools for Le Mans. | 30th Apr 1936 | Box 90a \ 4 Scan135 | |
| Typed list of spare parts and tools, continued on page 2. | 30th Apr 1936 | Box 90a \ 4 Scan136 | |
| List of spare parts required from RHC. | 30th Apr 1936 | Box 90a \ 4 Scan137 | |
| List of spares and tools to be carried on a car during a race. | 30th Apr 1936 | Box 90a \ 4 Scan138 | |
| Typed list of various parts and tools, with quantities specified for each item. | 30th Apr 1936 | Box 90a \ 4 Scan139 | |
| Cover letter for a list of spares required for the Le Mans race. | 30th Apr 1936 | Box 90a \ 4 Scan140 | |
| Delayed Phantom III car, requesting performance figures from Monthlery, and providing recommendations for a 4¼ litre engine. | 30th Apr 1936 | Box 90a \ 4 Scan141 | |
| Modifications and specifications for Hall's Engine. | 30th Apr 1936 | Box 90a \ 4 Scan142 | |
| To Mr. E.R. Hall concerning the disbursement procedures for the Le Mans race. | 2nd May 1936 | Box 90a \ 4 Scan143 | |
| Letter to S. Smith & Sons Ltd. regarding a meter for E.R. Hall's racing car. | 2nd May 1936 | Box 90a \ 4 Scan144 | |
| Letter to E.R. Hall discussing car setup and performance for the Sarthe Circuit (Le Mans). | 4th May 1936 | Box 90a \ 4 Scan145 | |
| Car testing at Brooklands, engine comparisons, tyre sourcing, and other modifications. | 4th May 1936 | Box 90a \ 4 Scan146 | |
| Table outlining road speed calculations for the 1936 Le Mans car at 4,500 revs with various axle and tyre combinations. | 4th May 1936 | Box 90a \ 4 Scan147 | |
| Request to modify the oil groove in the clutch release bearing carrier for E.R. Hall's car. | 4th May 1936 | Box 90a \ 4 Scan148 | |
| Letter to Ceandess Ltd. regarding the dimensions and manufacturing of a Ring Adaptor and an unfinished cap. | 5th May 1936 | Box 90a \ 4 Scan149 | |
| Sample Filler Cap P.779 being sent to Ceandess Ltd. | 5th May 1936 | Box 90a \ 4 Scan150 | |
| Specification of work to be carried out on E.R. Hall's car to bring it up to Le Mans specification. | 5th May 1936 | Box 90a \ 4 Scan151 | |
| List of required modifications and specifications for a vehicle, page 2. | 5th May 1936 | Box 90a \ 4 Scan152 | |
| Gear ratio calculations based on engine revs and horsepower. | 5th May 1936 | Box 90a \ 4 Scan153 | |
| Letter detailing the effective or rolling circumference of various tyre sizes under specific load and inflation pressures. | 5th May 1936 | Box 90a \ 4 Scan154 | |
| Page 2 of a letter from India Tyre & Rubber Company Limited to E. R. Hall Esq. | 5th May 1936 | Box 90a \ 4 Scan155 | |
| Requesting a second set of 12 Bentley brake shoes to be sent to Ferodo Ltd. for lining. | 5th May 1936 | Box 90a \ 4 Scan156 | |
| Urgent request to order modified inlet manifold washers for a Bentley for the Le Mans race. | 6th Aug 1936 | Box 90a \ 4 Scan157 | |
| Letter to E.R. Hall regarding a delay in a new axle being made in America and contingency plans for a race. | 6th May 1936 | Box 90a \ 4 Scan158 | |
| Specification for the complete assembly of a B-21 engine unit for Hall's Car. | 7th May 1936 | Box 90a \ 4 Scan159 | |
| Proposal for an increased capacity exhaust manifold and a straight through exhaust pipe for Hall's car. | 7th May 1936 | Box 90a \ 4 Scan160 | |
| Required modifications for a B-3 High Power unit before a 24-hour endurance test for the Le Mans race. | 7th May 1936 | Box 90a \ 4 Scan161 | |
| Letter from S. Smith & Sons discussing the supply of a large electric oil level gauge and a modified sump unit for a racing car. | 7th May 1936 | Box 90a \ 4 Scan162 | |
| Proposed brake modifications for the Le Mans race and ensuring compliance with the rules. | 7th May 1936 | Box 90a \ 4 Scan163 | |
| Potential objections to E.R. Hall's car at Le Mans. | 8th May 1936 | Box 90a \ 4 Scan164 | |
| Letter requesting the urgent manufacture of special oil gauge instruments for a racing car ahead of the Le Mans race. | 8th May 1936 | Box 90a \ 4 Scan165 | |
| Internal request to place an official order for instruments with S. Smith & Sons Ltd. | 8th May 1936 | Box 90a \ 4 Scan166 | |
| Instructions for modifications to Chassis B-187-AE, Hall's Saloon Car, before a 24-hour test run. | 9th May 1936 | Box 90a \ 4 Scan167 | |
| Letter from S. Smith & Sons regarding a petrol gauge for Mr. Hall's Le Mans Car, enclosing a blueprint. | 9th May 1936 | Box 90a \ 4 Scan168 | |
| Letter from S. Smith & Sons discussing the calibration and wiring of a sample oil level gauge. | 9th May 1936 | Box 90a \ 4 Scan169 | |
| Wiring diagram for the tank instrument and back of the meter. | 11th May 1936 | Box 90a \ 4 Scan170 | |
| Letter to Ceandess Ltd. requesting a filler cap to act as a breather for a Bentley's petrol tank. | 11th May 1936 | Box 90a \ 4 Scan171 | |
| List of required modifications and instructions for the B-35-AE Le Mans race car. | 11th May 1936 | Box 90a \ 4 Scan172 | |
| Procedure for an emergency wiring fix for the car's lighting system in case of a failure. | 11th May 1936 | Box 90a \ 4 Scan173 | |
| Urgent internal request to build a set of brakes for E.R. Hall's Le Mans car. | 11th May 1936 | Box 90a \ 4 Scan174 | |
| Possibility of fitting aluminium brake drums to Hall's car for Le Mans. | 11th May 1936 | Box 90a \ 4 Scan175 | |
| Letter arranging accommodation for a Bentley owner to attend the Le Mans 24 Hour Race. | 12th May 1936 | Box 90a \ 4 Scan176 | |
| Precautions and risks associated with aluminium brake drums for the Le Mans race. | 12th May 1936 | Box 90a \ 4 Scan177 | |
| Letter regarding the arrangement of accommodation for a trip to Le Mans. | 12th May 1936 | Box 90a \ 4 Scan178 | |
| Instruction memo regarding the modification of a governor for Hall's Unit B-21 to achieve the ideal advance line. | 13th May 1936 | Box 90a \ 4 Scan179 | |
| Typed letter to Bentley Motors Ltd regarding an inquiry about brake drums for Le Mans. | 12th May 1936 | Box 90a \ 4 Scan180 | |
| Letter from Ceandess Ltd. regarding a blueprint for Cap No. P.560 and a proposal to bore out an orifice. | 12th May 1936 | Box 90a \ 4 Scan181 | |
| Letter from CEANDESS, LTD. explaining a delay caused by faulty Y Alloy castings. | 12th May 1936 | Box 90a \ 4 Scan182 | |
| Blueprint of a 2 1/2 inch filler cap assembly with a detailed parts list. | 31th May 1935 | Box 90a \ 4 Scan183 | |
| Drawing of an adaptor for a filler tube. | 12th May 1936 | Box 90a \ 4 Scan184 | |
| Blueprint for a 2 1/4 inch filler base. | 9th May 1935 | Box 90a \ 4 Scan185 | |
| Short typed message, likely a telegram, regarding car readiness and arranging a phone call. | 13th May 1936 | Box 90a \ 4 Scan186 | |
| List of necessary jobs for car B-35-AE for Le Mans, specifically about the sealing of fillers. | 13th May 1936 | Box 90a \ 4 Scan187 | |
| List of required work and modifications for vehicle chassis B-35-AE. | 12th May 1936 | Box 90a \ 4 Scan188 | |
| List of required modifications and provisions for various vehicle components. | 12th May 1936 | Box 90a \ 4 Scan189 | |
| Letter to Messrs. S. Smith & Sons regarding specifications for a warning light to activate at 2 gallons. | 13th May 1936 | Box 90a \ 4 Scan190 | |
| Arrangements for a mechanic and spares for Mr. E.R. Hall's Le Mans race. | 13th May 1936 | Box 90a \ 4 Scan191 | |
| Accommodation arrangements for Mr. Minchin at the Le Mans 24 hour race. | 13th May 1936 | Box 90a \ 4 Scan192 | |
| The design and endurance testing plan for two alternative exhaust valves for the Le Mans Bentley. | 13th May 1936 | Box 90a \ 4 Scan193 | |
| Request to arrange for an automatic advance governor for the B-21 Hall's unit, based on a successful trial. | 14th May 1936 | Box 90a \ 4 Scan194 | |
| Letter to Ceandess Ltd. regarding the urgent supply of three filler caps for Mr. Hall's car. | 14th May 1936 | Box 90a \ 4 Scan195 | |
| Letter to S. Smith & Sons Ltd. regarding issues with an oil level gauge for E.R. Hall's Bentley, requesting a larger, detachable cork float. | 15th Jun 1936 | Box 90a \ 4 Scan196 | |
| Requesting modifications to the B-21 Hall's Unit following a valve spring washer failure during an endurance test on a B-3 unit. | 15th Jun 1936 | Box 90a \ 4 Scan197 | |
| Letter from S. Smith & Sons regarding the sump unit for Mr. Hall's Bentley Car, referencing order No.15494 and enclosing a blueprint. | 16th May 1936 | Box 90a \ 4 Scan198 | |
| Annotation on a drawing specifying the parameters for drilling six holes. | 16th May 1936 | Box 90a \ 4 Scan199 | |
| Numbered cover or separator sheet. | 18th May 1936 | Box 90a \ 4 Scan200 | |
| Requesting a spare ignition distributer for Mr. E.R. Hall's car, chassis number B-35-AE. | 18th May 1936 | Box 90a \ 4 Scan201 | |
| Drawing of a component part with a diameter dimension. | 15th Sep 1936 | Box 90a \ 4 Scan202 | |
| Extremely faded and illegible document, possibly a technical drawing. | 29th Apr 1929 | Box 90a \ 4 Scan203 | |
| Drawing of an engine connecting rod. | 29th Apr 1929 | Box 90a \ 4 Scan204 | |
| Drawing of an electric oil level gauge for a Bentley. | 16th May 1936 | Box 90a \ 4 Scan205 | |
| Heavily faded and damaged technical drawing with faint outlines of mechanical components. | 16th May 1936 | Box 90a \ 4 Scan206 | |
| Plain, damaged sheet of paper, possibly the reverse of a document or a blank separator. | 16th May 1936 | Box 90a \ 4 Scan207 | |
| General arrangement drawing for the Sapphire 30HP model, drawn by V.G. Langley Howard. | 16th Mar 1936 | Box 90a \ 4 Scan208 | |
| Drawing showing dimensions for an off-side component, possibly related to an electric lamp. | 16th Mar 1936 | Box 90a \ 4 Scan209 | |
| Request to produce new Bentley inlet valves from KE.965 material due to failures during Le Mans endurance testing. | 18th May 1936 | Box 90a \ 4 Scan211 | |
| List of modifications to be incorporated on E.R. Hall's Chassis 35-AE. | 18th May 1936 | Box 90a \ 4 Scan212 | |
| List of required modifications and special features for a vehicle chassis and engine unit R.21. | 18th May 1936 | Box 90a \ 4 Scan213 | |
| Numbered list of engine and component modifications and specifications, page 3. | 18th May 1936 | Box 90a \ 4 Scan214 | |
| List of modifications for the electrical equipment on car B.35.AR for Mr. N.R. Hall. | 18th May 1936 | Box 90a \ 4 Scan215 | |
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