| Description | Date | Identifier | |
| Table of performance and drag test results for a Bentley B.35 AE with various body modifications. | 22th Aug 1934 | Box 90a \ 2 Scan231 | |
| Modifications to E.R. Hall's car before handover, following its exhibition at Olympia. | 8th Oct 1934 | Box 90a \ 2 Scan232 | |
| Chassis B-35-AE, parts used in the Ulster Race, and a mechanic's visit for E.R. Hall. | 9th Oct 1934 | Box 90a \ 2 Scan233 | |
| Typed memo replying to a previous communication and attaching notes from an individual. | 11th Oct 1934 | Box 90a \ 2 Scan234 | |
| The removal of a standard engine unit from chassis B-35-AE and its recommended reallocation. | 12th Oct 1934 | Box 90a \ 2 Scan235 | |
| Decision on whether to support driver Hall in the 1935 Bentley competitions. | 13th Oct 1934 | Box 90a \ 2 Scan236 | |
| Clarifying the history and status of an engine unit from chassis B-35-AE, used in the Italian Thousand Mile Race. | 15th Oct 1934 | Box 90a \ 2 Scan237 | |
| Bentley competitions, confirming the decision not to run a full team and arranging to discuss a private entry for the Italian Mille Miglia race. | 18th Oct 1934 | Box 90a \ 2 Scan238 | |
| Wind Tunnel Tests on an Ulster T.T. Car, requesting additional photographs for a report. | 24th Oct 1934 | Box 90a \ 2 Scan239 | |
| Photographs of wind tunnel model tests for a racing car, showing initial and final designs. | 25th Oct 1934 | Box 90a \ 2 Scan240 | |
| Cover letter to E.R. Hall informing him a copy of another letter has been sent to his London address. | 25th Oct 1934 | Box 90a \ 2 Scan241 | |
| Letter to E.R. Hall discussing the application of streamlining research from Campbell's car to a Bentley for road racing. | 25th Oct 1934 | Box 90a \ 2 Scan242 | |
| Letter to Mrs. E.R. Hall regarding the test results of a brake material. | 30th Oct 1934 | Box 90a \ 2 Scan243 | |
| List of five modifications and fittings required for E.R. Hall's car before handover. | 2nd Nov 1934 | Box 90a \ 2 Scan244 | |
| Modifications to prevent oil leaks on the rear brakes for Hall's Car B-35-AE. | 5th Nov 1934 | Box 90a \ 2 Scan245 | |
| Transfer of a standard unit from Hall's car E-55-AE to the Repair Department. | 6th Nov 1934 | Box 90a \ 2 Scan246 | |
| Typed letter to E.R. Hall regarding a dinner toast and a potential job for Maurice. | 7th Nov 1934 | Box 90a \ 2 Scan247 | |
| Sending a standard unit from car B-35-AE for overhaul and to be kept as a spare. | 7th Nov 1934 | Box 90a \ 2 Scan248 | |
| Request to fit streamlined front wings to E.R. Hall's car. | 15th Nov 1934 | Box 90a \ 2 Scan249 | |
| Request to build and fit an improved servo motor to chassis B-35-AE for the purpose of testing brake linings. | 15th Nov 1934 | Box 90a \ 2 Scan250 | |
| Requesting a new high compression head for E.R. Hall's car be made to the same specifications as an old one for comparison. | 20th Nov 1934 | Box 90a \ 2 Scan251 | |
| Brief typed message arranging a telephone call regarding a car body. | 21th Nov 1934 | Box 90a \ 2 Scan252 | |
| Letter arranging a pickup location and route for a T.T. car. | 27th Nov 1934 | Box 90a \ 2 Scan253 | |
| Letter apologising for a delay in delivering a car due to work on the wing stays. | 28th Nov 1934 | Box 90a \ 2 Scan254 | |
| Telegram received by telephone regarding the collection of wing material from Derby station. | 3rd Aug 1934 | Box 90a \ 2 Scan255 | |
| Instructions for the storage of a standard engine removed from Hall's Chassis. | 3rd Aug 1934 | Box 90a \ 2 Scan256 | |
| Listing five outstanding points regarding work required on E.R. Hall's car. | 3rd Aug 1934 | Box 90a \ 2 Scan257 | |
| Request from the R.A.C. for a catalogue and instruction book for a 3½-litre Bentley. | 3rd Aug 1934 | Box 90a \ 2 Scan258 | |
| Telegram from Offord to Robotham in Derby, confirming that Duramin Works is closed and plates will be sent on Wednesday. | 7th Aug 1934 | Box 90a \ 2 Scan259 | |
| Request from the R.A.C. to modify the starting handle shaft on E.R. Hall's car. | 7th Aug 1934 | Box 90a \ 2 Scan260 | |
| Request for duralumin sheets for Bentley wings. | 7th Aug 1934 | Box 90a \ 2 Scan261 | |
| Prepaid telegram to Offord & Sons Ltd. inquiring about the train dispatch details for a Duralumin shipment. | 8th Aug 1934 | Box 90a \ 2 Scan262 | |
| Telegram confirming that Duralumin has been despatched by train. | 8th Aug 1934 | Box 90a \ 2 Scan263 | |
| Scale calibration data for a revolution indicator, instrument number 1589, fitted to chassis B.35-AE. | 8th Aug 1934 | Box 90a \ 2 Scan264 | |
| Letter to R.H. Sherren of 'The Motor' magazine, requesting to reserve four places for a trip. | 8th Aug 1934 | Box 90a \ 2 Scan265 | |
| Letter to E.H. Sherren of 'The Motor' magazine, confirming berth reservations for four people. | 10th Aug 1934 | Box 90a \ 2 Scan266 | |
| Confirming the delivery address for five wheels being sent to the Ulster T.T. race. | 10th Aug 1934 | Box 90a \ 2 Scan267 | |
| High speed endurance proof test report for a 3.5-litre Bentley competition engine. | 30th Jul 1934 | Box 90a \ 2 Scan268 | |
| Letter from travel agent Thos. Cook & Son confirming a booking on the S.S. Ulster Prince for the Tourist Races in Belfast. | 22th Aug 1934 | Box 90a \ 2 Scan269 | |
| Letter to Thos. Cook & Son, Ltd. regarding train seat reservations and travel arrangements. | 24th Aug 1934 | Box 90a \ 2 Scan270 | |
| Letter from Thos. Cook & Son, Ltd. regarding a fare from Manchester. | 25th Aug 1934 | Box 90a \ 2 Scan271 | |
| Blueprint of the rear view of a car body for the Ulster T.T. Race, including area calculations. | 22th Aug 1934 | Box 90a \ 2 Scan272 | |
| Graph of engine RPM versus MPH for various gears and tyre specifications. | 28th Jul 1934 | Box 90a \ 2 Scan273 | |
| The reverse side of a document showing a print room stamp. | 28th Jul 1934 | Box 90a \ 2 Scan274 | |
| Graph comparing dynamo unit performance under different chassis and exhaust configurations. | 24th Jul 1934 | Box 90a \ 2 Scan275 | |
| The reverse of a document, stamped by the Print Room. | 24th Jul 1934 | Box 90a \ 2 Scan276 | |
| Customer feedback and a list of outstanding work required on 'Hall's Car'. | 28th Jul 1934 | Box 90a \ 2 Scan277 | |
| Procedure to check the accuracy of E.R. Hall's rev counter. | 28th Jul 1934 | Box 90a \ 2 Scan278 | |
| Letter detailing the results of wind tunnel tests and related performance calculations. | 28th Jul 1934 | Box 90a \ 2 Scan279 | |
| Preliminary calculation of predicted speed, noted as a rough estimate. | 30th Jul 1934 | Box 90a \ 2 Scan280 | |
| Speed tests for Hall's Car, model B-35-AE, with various configurations. | 30th Jul 1934 | Box 90a \ 2 Scan281 | |
| Development work on the R. engine regarding cam forms and radius followers. | 6th Jul 1934 | Box 90a \ 2 Scan282 | |
| Power output and B.M.E.P. graph for a 3 1/2 litre Bentley engine developed for competition work. | 6th Jul 1934 | Box 90a \ 2 Scan283 | |
| Blank document page with a 'PRINT ROOM' date stamp from Derby. | 11th Jul 1934 | Box 90a \ 2 Scan284 | |
| Graph comparing the power output of a 3.2 Litre Bentley with various exhaust systems for the Ulster T.T. race. | 6th Jul 1934 | Box 90a \ 2 Scan285 | |
| Comparison graph of power absorbed by various cooling fans for Unit 1 B IV. | 12th Sep 1933 | Box 90a \ 2 Scan286 | |
| Power output graph for a 3 1/2 Litre Bentley engine showing performance with and without a fan for the Ulster T.T. race. | 6th Jul 1934 | Box 90a \ 2 Scan287 | |
| Blank page with a Print Room stamp from Derby. | 11th Jul 1934 | Box 90a \ 2 Scan288 | |
| Modifications for a competition cylinder head for E.R. Hall's car. | 4th Dec 1934 | Box 90a \ 2 Scan289 | |
| Short typed message regarding the arrival time and location of a Ratcliffe car body. | 3rd Dec 1934 | Box 90a \ 2 Scan290 | |
| Letter to Mr. Hall regarding an unsatisfactory clutch and engine roughness caused by a light flywheel. | 5th Dec 1934 | Box 90a \ 2 Scan291 | |
| Letter regarding Christmas closing times and arrangements for bird boxes. | 14th Dec 1934 | Box 90a \ 2 Scan292 | |
| Letter regarding a cost inquiry for a double order of duralumin for T.T. wings, due to a miscalculation. | 14th Dec 1934 | Box 90a \ 2 Scan293 | |
| Invoice from Offord & Sons Ltd. for work and parts supplied for two Bentley cars. | 9th Oct 1934 | Box 90a \ 2 Scan294 | |
| Letter to E.R. Hall regarding works closing times and the supply of Duralumin material to Messrs. Offords. | 15th Dec 1934 | Box 90a \ 2 Scan295 | |
| Request from E.R. Hall for instrument board supports for his T.T. car. | 18th Dec 1934 | Box 90a \ 2 Scan296 | |
| Letter regarding the list of engagements for the 1935 Le Mans 24-hour race. | 20th Dec 1934 | Box 90a \ 2 Scan297 | |
| Communiqué from the Automobile Club de l'Ouest listing the initial entrants for the 1935 24 Hours of Le Mans. | 20th Dec 1934 | Box 90a \ 2 Scan298 | |
| Letter to E.R. Hall arranging a meeting with Railton to discuss the body for a Bentley. | 27th Dec 1934 | Box 90a \ 2 Scan299 | |
| Letter from The Society of Motor Manufacturers & Traders to Bentley Motors seeking suggestions on a new racing formula to limit speed for safety. | 27th Dec 1934 | Box 90a \ 2 Scan300 | |
| Forwarding a letter from The Society of Motor Manufacturers & Traders Ltd. regarding a 'Racing Formula'. | 28th Dec 1934 | Box 90a \ 2 Scan301 | |
| Reply declining to provide a suggestion for a modified racing formula due to a lack of experience with Grand Prix cars. | 31th Dec 1934 | Box 90a \ 2 Scan302 | |
| Letter discussing the suitability of India Tyres for Bentley competition work. | 31th Dec 1934 | Box 90a \ 2 Scan303 | |
| Brief internal note agreeing with remarks concerning the 'Racing Formula'. | 1st Jan 1935 | Box 90a \ 2 Scan304 | |
| Regulations for the 1934 International Tourist Trophy car race of the Royal Automobile Club. | 1st Jan 1935 | Box 90a \ 2 Scan305 | |
| Log of communications and actions regarding the development, failures, and modifications for the '36 T.T. race car. | 17th Nov 1935 | Box 90a \ 3 Scan001 | |
| Graph comparing the power development of Bentley engines for the Tourist Trophy races from 1934 to 1936. | 12th Nov 1966 | Box 90a \ 3 Scan002 | |
| Modifications made to E.R. Hall's car for the T.T. race. | 12th Nov 1966 | Box 90a \ 3 Scan003 | |
| Postcard addressed to Mr C.W. Morton in Chellaston, Derby. | 29th Oct 1966 | Box 90a \ 3 Scan004 | |
| Letter concerning access to information on the 3½ litre Bentley used by E.R. Hall. | 14th Nov 1966 | Box 90a \ 3 Scan005 | |
| Letter from an Australian owner to a company employee regarding the restoration of a 1934 Bentley. | 25th Oct 1966 | Box 90a \ 3 Scan006 | |
| Inquiry from a Bentley owner seeking information on performance modifications for competition use. | 25th Oct 1966 | Box 90a \ 3 Scan007 | |
| With contact details for a manor and information regarding a Hall Bentley. | 28th Jan 1935 | Box 90a \ 3 Scan008 | |
| Index of contents for a file regarding correspondence and data for E.R. Hall's competition car. | 28th Jan 1935 | Box 90a \ 3 Scan009 | |
| Log of internal correspondence and actions regarding a high-performance car project in 1935. | 29th Jan 1935 | Box 90a \ 3 Scan010 | |
| Log of internal communications regarding the preparation of a car for a Tourist Trophy event, detailing specifications for tyres, engine, and endurance testing. | 6th Jun 1935 | Box 90a \ 3 Scan011 | |
| Log of correspondence and actions from July 1935 concerning car development, parts, and testing. | 31th Jul 1935 | Box 90a \ 3 Scan012 | |
| Log of communications and actions related to car preparation and testing in August and September 1935. | 13th Sep 1935 | Box 90a \ 3 Scan013 | |
| Competition work on a Bentley, proposing the use of magnesium parts for the Mille Miglia or Shelsley events. | 5th Jan 1935 | Box 90a \ 3 Scan014 | |
| Invoice for Duralumin supplied for a Bentley T.T. car. | 9th Jan 1935 | Box 90a \ 3 Scan015 | |
| Inquiry regarding the authority and payment for work carried out on Mr. E.R. Hall's car, chassis B.35 - AE. | 11th Jan 1935 | Box 90a \ 3 Scan016 | |
| Payment for a replacement set of aluminium sheets after the first set was scrapped. | 12th Jan 1935 | Box 90a \ 3 Scan017 | |
| Customer complaint on chassis B-35-AE, involving a synchromesh rattle and a damaged wing. | 15th Jan 1935 | Box 90a \ 3 Scan018 | |
| Power-output graph for a 3½ Litre Bentley engine under competition work conditions. | 16th Jan 1935 | Box 90a \ 3 Scan019 | |
| Mostly blank document with a Print Room stamp and a handwritten reference number. | 8th Feb 1935 | Box 90a \ 3 Scan020 | |
| Telegram received by telephone to arrange a meeting with Railton. | 17th Jan 1935 | Box 90a \ 3 Scan021 | |
| Short message from Robotham to Hall proposing alternative meeting times. | 17th Jan 1935 | Box 90a \ 3 Scan022 | |
| Agreeing to gearbox modifications and requesting the fitting of an anti-rattle synchromesh device to Hall's Car. | 17th Jan 1935 | Box 90a \ 3 Scan023 | |
| Repair of a non-standard gearbox and a damaged wing on E.R. Hall's car, chassis B-35-AE. | 17th Jan 1935 | Box 90a \ 3 Scan024 | |
| Telegram from Hall to Robotham suggesting a more convenient meeting time. | 18th Jan 1935 | Box 90a \ 3 Scan025 | |
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