| Description | Date | Identifier | |
| On brake performance, discussing temperature rise with long levers and the trade-off between braking power and consistency. | 11th Jun 1934 | Box 90a \ 2 Scan030 | |
| Letter from The Royal Automobile Club regarding permissible modifications for the 1934 Tourist Trophy Race. | 11th Jun 1934 | Box 90a \ 2 Scan031 | |
| Fitting Hartford suspension for racing purposes, based on feedback from E.R. Hall on a Continental Phantom. | 11th Jun 1934 | Box 90a \ 2 Scan032 | |
| Blueprints for a 26-gallon petrol tank for the Bentley for the Ulster race. | 13th Jun 1934 | Box 90a \ 2 Scan033 | |
| Letter to E.R. Hall concerning the design and fitting of a proposed petrol tank. | 14th Jun 1934 | Box 90a \ 2 Scan034 | |
| Listing required spare parts for E.R. Hall's car and proposing a Tester to accompany them. | 15th Jun 1934 | Box 90a \ 2 Scan035 | |
| Letter to E.R. Hall regarding arrangements and work on his car, including an engine loan and other potential modifications. | 15th Jun 1934 | Box 90a \ 2 Scan036 | |
| Letter from S. Smith & Sons regarding the calibration of a petrol gauge for drawing LEC.3963. | 15th Jun 1934 | Box 90a \ 2 Scan037 | |
| Letter to a supplier regarding the urgent supply of a tank and its gauge. | 16th Jun 1934 | Box 90a \ 2 Scan038 | |
| Letter to Mr. Rowbotham requesting a 3-inch allowance for the filler cap on a tank. | 17th Jun 1934 | Box 90a \ 2 Scan039 | |
| The delivery and fitting dimensions of a tank filler cap. | 18th Jun 1934 | Box 90a \ 2 Scan040 | |
| Current, possible, and standard modifications for E.R. Hall's car. | 19th Jun 1934 | Box 90a \ 2 Scan041 | |
| Letter from S. Smith & Sons confirming the dispatch of an uncalibrated meter and tank attachment. | 19th Jun 1934 | Box 90a \ 2 Scan042 | |
| Despatch of a radiator stone guard on loan for Chassis B. 35 AR. | 19th Jun 1934 | Box 90a \ 2 Scan043 | |
| Letter confirming the dispatch of a Radiator Stone Guard to E.R. Hall. | 21th Jun 1934 | Box 90a \ 2 Scan044 | |
| Request to fit a side spare wheel carrier to E.R. Hall's car. | 22th Jun 1934 | Box 90a \ 2 Scan045 | |
| Providing instructions to rebuild 'Hall's Engine' using specific bearing materials and altering the camshaft timing. | 23th Jun 1934 | Box 90a \ 2 Scan046 | |
| Telegram to W. A. Robotham in Derby requesting a vehicle to meet the sender, Hall, upon arrival. | 14th Aug 1940 | Box 90a \ 2 Scan047 | |
| List of special features to be incorporated into a Bentley-Ulster T.T. race car. | 19th Jun 1934 | Box 90a \ 2 Scan048 | |
| List of specifications and modifications for various vehicle components. | 19th Jun 1934 | Box 90a \ 2 Scan049 | |
| And typed notes on vehicle modifications and performance, related to the Ulster Grand Prix. | 14th May 1934 | Box 90a \ 2 Scan050 | |
| The Phantom II oil tank and mixture control split pins. | 22th Mar 1930 | Box 90a \ 2 Scan051 | |
| The transfer of a 22-gallon petrol tank from chassis B-35-AE to a new chassis for Mr. E.R. Hall. | 20th Jun 1934 | Box 90a \ 2 Scan052 | |
| Seeking clarification on the rules for 'standard cars' in the Ulster Tourist Trophy race. | 25th Jun 1934 | Box 90a \ 2 Scan053 | |
| Covering memo from Sg. to Rm. regarding the Ulster Tourist Trophy. | 27th Jun 1934 | Box 90a \ 2 Scan054 | |
| Modifications to Mr. Hall's car for the Ulster Tourist Trophy to ensure compliance with R.A.C. rules. | 28th Jun 1934 | Box 90a \ 2 Scan055 | |
| Porous Aerolite pistons for the Ulster Race B-4 practice unit and the subsequent plan for testing. | 4th Jul 1934 | Box 90a \ 2 Scan056 | |
| Outlining the plan to complete and test E.R. Hall's Unit B-11 using pistons from the Aerolite Piston people. | 5th Jul 1934 | Box 90a \ 2 Scan057 | |
| The supply of mounting and axle connections for Hartford shock dampers for a Bentley Ulster T.T. car. | 5th Jul 1934 | Box 90a \ 2 Scan058 | |
| Urgent internal memo regarding blueprints for the Bentley Ulster TT. | 5th Jul 1934 | Box 90a \ 2 Scan059 | |
| Poor performance of an Ulster Bentley and seeking advice on modifications. | 6th Jul 1934 | Box 90a \ 2 Scan060 | |
| Internal memorandum discussing the chassis springing and petrol tank specifications for a vehicle for Mr. E.R. Hall. | 5th Jul 1934 | Box 90a \ 2 Scan061 | |
| Creation of a special gearbox and the transfer of parts between chassis B-35-AE and B-187-BL for customer E.R. Hall. | 6th Jul 1934 | Box 90a \ 2 Scan062 | |
| Interchangeability of gearboxes and arrangements for a special unit for the Ulster race between chassis B-35-AE and B-187-BL. | 9th Jul 1934 | Box 90a \ 2 Scan063 | |
| Interchangeability of gearboxes between chassis B-35-AE and B-187-BL, and plans for a special gearbox for the Ulster race. | 9th Jul 1934 | Box 90a \ 2 Scan064 | |
| Letter discussing the quality and acceptance of K.L.G. spark plugs. | 7th Jul 1934 | Box 90a \ 2 Scan065 | |
| Letter on hotel stationery discussing the dispatch of parts like a stone guard and an oil gauge. | 7th Jul 1934 | Box 90a \ 2 Scan066 | |
| Letter regarding the completion of various outstanding bodywork jobs on a vehicle. | 7th Jul 1934 | Box 90a \ 2 Scan067 | |
| Correspondence on 'The Beach Hotel' letterhead regarding instructions for finishing work on a body. | 7th Jul 1934 | Box 90a \ 2 Scan068 | |
| List of vehicle modification instructions on hotel letterhead. | 9th Jul 1934 | Box 90a \ 2 Scan069 | |
| Letter to E.R. Hall discussing the disappointing track performance of his car and potential causes. | 9th Jul 1934 | Box 90a \ 2 Scan070 | |
| Letter discussing K.L.G. spark plugs, battery box positioning, an oil filler, and potential wind tunnel testing. | 9th Jul 1934 | Box 90a \ 2 Scan071 | |
| Performance test results for vehicle B-35-AE at Brooklands, detailing lap speeds and acceleration figures. | 6th Jul 1934 | Box 90a \ 2 Scan072 | |
| Non-standard brake parts on 'Hall's Car' and instructions for refitting standard components. | 9th Jul 1934 | Box 90a \ 2 Scan073 | |
| Schematic and notes for the exhaust system on E.R. Hall's car. | 9th Jul 1934 | Box 90a \ 2 Scan074 | |
| Urgent internal memo about sending drawings for the Bentley Ulster T.T. car. | 9th Jul 1934 | Box 90a \ 2 Scan075 | |
| List of issued schemes and parts for an Ulster Bentley. | 10th Jul 1934 | Box 90a \ 2 Scan076 | |
| The rear brake adjustment for the Ulster T.T. Bentley, referencing drawing LeC.4034 and required special tools. | 10th Jul 1934 | Box 90a \ 2 Scan077 | |
| Letter on hotel stationery discussing potential causes for a 90 M.P.H. speed lag. | 10th Jul 1934 | Box 90a \ 2 Scan078 | |
| Vehicle speed, engine revolutions and the effect of components like headlamps and bodywork. | 10th Jul 1934 | Box 90a \ 2 Scan079 | |
| Letter on hotel stationery discussing car body design, comparing streamlined tails for track versus road use. | 10th Jul 1934 | Box 90a \ 2 Scan080 | |
| Letter discussing engine performance (B.HP) and arranging a meeting at the works with a body man. | 11th Jul 1934 | Box 90a \ 2 Scan081 | |
| Performance analysis of E.H. Hall's Car (B-35-AE) comparing its aerodynamics and speed against a streamlined saloon car (B-23-AK). | 11th Jul 1934 | Box 90a \ 2 Scan082 | |
| Improving acceleration by reducing windage for competition work, referencing wind tunnel tests. | 11th Jul 1934 | Box 90a \ 2 Scan083 | |
| Article from 'The Autocar' magazine reporting on a motor race, mentioning fuel limitations and handicap rules. | 7th Sep 1934 | Box 90a \ 2 Scan084 | |
| Race report from 'The Motor' magazine on the R.A.C. Tourist Trophy, detailing Dodson's win in an M.G. Magnette. | 4th Sep 1934 | Box 90a \ 2 Scan085 | |
| Report from 'The Motor' magazine on the R.A.C. Tourist Trophy race, detailing a crash, the starting order, and early race events. | 4th Sep 1934 | Box 90a \ 2 Scan086 | |
| Illustration by Bryan de Grineau depicting the duel between Brian Lewis (Lagonda) and E. R. Hall (Bentley) in the R.A.C. T.T. race. | 4th Sep 1934 | Box 90a \ 2 Scan087 | |
| Race report from the R.A.C. Tourist Trophy Race, continued on page 197 of 'The Motor' magazine. | 4th Sep 1934 | Box 90a \ 2 Scan088 | |
| Race report from the 1934 R.A.C. Tourist Trophy Race, continued from a previous page. | 4th Sep 1934 | Box 90a \ 2 Scan089 | |
| The R.A.C. Tourist Trophy Race and the Ulster Automobile Club Rally from 'The Motor' magazine. | 4th Sep 1934 | Box 90a \ 2 Scan090 | |
| Newspaper clipping from 'The Sunday Times' reporting on the Tourist Trophy Race. | 2nd Sep 1934 | Box 90a \ 2 Scan091 | |
| Race report from 'The Times' newspaper, page 2, detailing a motor racing event. | 2nd Sep 1934 | Box 90a \ 2 Scan092 | |
| Newspaper article from 'The Times' reporting on the Tourist Trophy motor race. | 2nd Sep 1934 | Box 90a \ 2 Scan093 | |
| Newspaper clipping reporting on the R.A.C. Tourist Trophy Race held at the Ards circuit in Belfast. | 2nd Sep 1934 | Box 90a \ 2 Scan094 | |
| Newspaper article detailing C. J. P. Dodson's narrow victory in the R.A.C. Tourist Trophy race. | 2nd Sep 1934 | Box 90a \ 2 Scan095 | |
| Newspaper report on the Ards Circuit T.T. car race, detailing multiple crashes and a 17-second victory. | 2nd Sep 1934 | Box 90a \ 2 Scan096 | |
| Sunday Express newspaper clipping reporting on Charles Dodson's victory in the 500-mile Tourist Trophy car race at the Ards circuit. | 7th Sep 1934 | Box 90a \ 2 Scan097 | |
| Article from 'The Autocar' magazine reporting on the 1934 Tourist Trophy race. | 7th Sep 1934 | Box 90a \ 2 Scan098 | |
| Power-output graph comparing two competition specifications for a 3 1/2 Litre Bentley engine. | 27th Apr 1936 | Box 90a \ 2 Scan099 | |
| Blank sheet marked with a 'Print Room' stamp from Derby. | 27th Sep 1934 | Box 90a \ 2 Scan100 | |
| Power output graph for an X.5BC unit engine, showing performance curves under various test conditions. | 4th Jun 1934 | Box 90a \ 2 Scan101 | |
| The reverse side of a document with a 'Print Room' stamp and other markings. | 12th Jul 1934 | Box 90a \ 2 Scan102 | |
| Performance comparison graph of E.R. Hall's Unit versus a Standard Bentley Unit for the 1934 Ulster T.T. | 7th Sep 1934 | Box 90a \ 2 Scan103 | |
| Heavily faded first page of a document with almost entirely illegible text, stamped by the Print Room. | 7th Sep 1934 | Box 90a \ 2 Scan104 | |
| Letter to coachbuilders requesting drawings of a Bentley body for Mr E.R. Hall's car for wind tunnel testing ahead of the Ulster Race. | 14th Jul 1934 | Box 90a \ 2 Scan105 | |
| Typed message requesting to defer a coachbuilders' visit until plans are settled. | 11th Jul 1934 | Box 90a \ 2 Scan106 | |
| Telegram received by telephone confirming the despatch of a pair of wings. | 23th Jul 1934 | Box 90a \ 2 Scan107 | |
| Modification to a cylinder head to increase capacity and reduce valve head diameter. | 25th Sep 1934 | Box 90a \ 2 Scan108 | |
| Request to Hoffmann's for a production lead time on two special ball bearings for a Bentley special gearbox. | 11th Jul 1934 | Box 90a \ 2 Scan109 | |
| Visit by E.R. Hall to discuss preparations for the Ulster Race, specifically concerning a gearbox and tank for chassis B-35-AE and B-187-BL. | 12th Jul 1934 | Box 90a \ 2 Scan110 | |
| Ordering two solid outer race ball bearings for a Bentley Chassis special gearbox for the Ulster Trials. | 12th Jul 1934 | Box 90a \ 2 Scan111 | |
| Car preparations, including the fitting of Aerolite pistons, fuel types for the Ulster Race, and sourcing silencer materials. | 13th Jul 1934 | Box 90a \ 2 Scan112 | |
| Requesting the transfer of a petrol tank from one chassis to another for Mr. Hall. | 13th Jul 1934 | Box 90a \ 2 Scan113 | |
| Modifications for a special Bentley cylinder head for competition work. | 13th Jul 1934 | Box 90a \ 2 Scan114 | |
| Spare petrol pump for E.R. Hall's car chassis. | 13th Jul 1934 | Box 90a \ 2 Scan115 | |
| Internal request to issue an official order to S.U. Co. for petrol pumps and carburettors. | 14th Jul 1934 | Box 90a \ 2 Scan116 | |
| Wind tunnel tests for E.R. Hall's car, chassis B-35-AE. | 13th Jul 1934 | Box 90a \ 2 Scan117 | |
| Letter to E.R. Hall concerning an experimental gearbox for chassis B-187-BL. | 13th Jul 1934 | Box 90a \ 2 Scan118 | |
| Page two of a letter regarding the anticipation of coachwork completion. | 13th Jul 1934 | Box 90a \ 2 Scan119 | |
| Requesting the fitting of a steel plug to an oil pump on a B-11 unit to replace the breaking brass plugs. | 14th Jul 1934 | Box 90a \ 2 Scan120 | |
| Request to S.U. Co. for fuel pumps and carburetters for E.R. Hall's car for the Ulster T.T. race. | 14th Jul 1934 | Box 90a \ 2 Scan121 | |
| Request to Offord & Sons Ltd. for a headlamp glass for E.R. Hall's car. | 14th Jul 1934 | Box 90a \ 2 Scan122 | |
| Chassis B.187-BL being sent to the Test Department for E.R. Hall, Esq. | 16th Jul 1934 | Box 90a \ 2 Scan123 | |
| E.R. Hall's car, instructing the recipient to replace a page in a previous memo. | 16th Jul 1934 | Box 90a \ 2 Scan124 | |
| Requesting modifications and further testing for a B-4 Unit practice engine. | 16th Jul 1934 | Box 90a \ 2 Scan125 | |
| Brake adjustment, requesting a change of wing nut lift. | 16th Jul 1934 | Box 90a \ 2 Scan126 | |
| Letter regarding the return of a 'Stracer special gearbox' and keeping a new chassis standard. | 15th Jul 1934 | Box 90a \ 2 Scan127 | |
| Letter on hotel notepaper about a job completion timeline and parts for road springs. | 16th Jul 1934 | Box 90a \ 2 Scan128 | |
| Instructions for modifying a B-4 practice engine for Ulster and preparing it for endurance testing. | 16th Jul 1934 | Box 90a \ 2 Scan129 | |
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