| Description | Date | Identifier | |
| Design drawing of a streamlined single-seater car body with measurements. | 27th Feb 1930 | Box 90a \ 1 Scan002 | |
| Blueprint graph comparing Bentley engine power development for the Tourist Trophy Races between 1934 and 1936. | 28th Sep 1936 | Box 90a \ 1 Scan003 | |
| Blank page with a 'Print Room' stamp from Derby. | 28th Sep 1936 | Box 90a \ 1 Scan004 | |
| Graph of power development for a 4¼ Litre Bentley engine, comparing performance at different compression ratios. | 21th Jul 1938 | Box 90a \ 1 Scan005 | |
| Graph plotting ignition advance and BMEP against RPM for a 4¼ Litre Bentley engine under various conditions. | 21th Jul 1938 | Box 90a \ 1 Scan006 | |
| Power development performance graph for a 4 1/4 Litre Bentley engine's induction system. | 21th Jul 1938 | Box 90a \ 1 Scan007 | |
| Graph showing the variation of cam duration by tappet clearance on a 4 1/4 Litre Bentley engine. | 1st May 1937 | Box 90a \ 1 Scan008 | |
| Power development graph comparing different camshaft configurations for a 4 1/4 Litre Bentley engine. | 1st May 1937 | Box 90a \ 1 Scan009 | |
| Blueprint graph showing power development (BHP vs RPM) for a 4¼ Litre Bentley with different camshafts. | 28th Sep 1936 | Box 90a \ 1 Scan010 | |
| The reverse of a document with a 'Print Room' stamp. | 28th Sep 1936 | Box 90a \ 1 Scan011 | |
| Summary of results from the Shelsley Walsh Hill Climb for the years 1934, 1935, and 1936. | 11th Sep 1936 | Box 90a \ 1 Scan012 | |
| Summary of results and times for the Tourist Trophy Races from 1934 to 1936. | 11th Sep 1936 | Box 90a \ 1 Scan013 | |
| Parts list and blueprint request for a super-tuned Corniche chassis. | 17th Aug 1939 | Box 90a \ 1 Scan014 | |
| List of parts and modifications required for a cylinder head, including details on compression ratios. | 17th Aug 1939 | Box 90a \ 1 Scan015 | |
| Specification of modifications for high-power work on the Corniche chassis. | 22th Jul 1939 | Box 90a \ 1 Scan016 | |
| Continued discussion on cylinder head modifications, focusing on valve guide bosses, valve shape, and new piston designs. | 22th Jul 1939 | Box 90a \ 1 Scan017 | |
| The octane value and anti-detonating qualities of two fuel samples from Holland. | 13th Nov 1935 | Box 90a \ 1 Scan018 | |
| Fuel test comparing two samples of fuel from Holland against 77 and 87 octane standards, graphing detonation intensity. | 12th Nov 1935 | Box 90a \ 1 Scan019 | |
| Pencil sketches of two mechanical part profiles or cross-sections. | 13th Nov 1935 | Box 90a \ 1 Scan020 | |
| Alterations to the carburetter's float chamber and air valves to adjust for changes in depression. | 15th Mar 1939 | Box 90a \ 1 Scan021 | |
| Test report on fitting special 1936 Tourist Trophy race parts to a Paulin Bentley engine. | 15th Mar 1939 | Box 90a \ 1 Scan022 | |
| Parts necessary for preliminary tests on a 4¼ litre Bentley (High Power) engine. | 19th Nov 1935 | Box 90a \ 1 Scan023 | |
| Performance graph for a 4¼ Litre Bentley engine, Unit No B.19 (Series II), for the 'Paulin' car. | 1st Mar 1939 | Box 90a \ 1 Scan024 | |
| Faint, aged document with a purple ink stamp from the print room. | 16th Mar 1939 | Box 90a \ 1 Scan025 | |
| Performance graph for a 4 1/4 Litre Bentley engine, unit B.19 (Series II), for a 'Paulin Car'. | 1st Mar 1939 | Box 90a \ 1 Scan026 | |
| Blank cover page with a P. & T. Room date stamp from Derby. | 16th Mar 1939 | Box 90a \ 1 Scan027 | |
| Cover sheet for documents relating to the 1934 R.A.C. Tourist Trophy Race. | 16th Mar 1939 | Box 90a \ 1 Scan028 | |
| Remarks on wheel hub and tyre performance during a race. | 16th Mar 1939 | Box 90a \ 1 Scan029 | |
| Vehicle preparation and performance, including fluid consumption and modifications for a race. | 16th Mar 1939 | Box 90a \ 1 Scan030 | |
| List of practice and race times for various vehicle maintenance changes. | 1st Jul 1934 | Box 90a \ 1 Scan031 | |
| Engine unit specification sheet detailing main components and performance data. | 1st Jul 1934 | Box 90a \ 1 Scan032 | |
| Motorsports news and commentary page from 'The Autocar' magazine, discussing various races and events. | 7th Sep 1934 | Box 90a \ 1 Scan033 | |
| Article from 'The Autocar' magazine reporting on the 1934 Tourist Trophy race. | 7th Sep 1934 | Box 90a \ 1 Scan034 | |
| Magazine article from 'The Autocar' reporting on a motor race and the performance of various cars. | 7th Sep 1934 | Box 90a \ 1 Scan035 | |
| Magazine article from 'The Autocar' detailing a car race with accompanying photographs and a circuit map. | 7th Sep 1934 | Box 90a \ 1 Scan036 | |
| Page from 'The Autocar' magazine reporting on a motor race with photographs and commentary. | 7th Sep 1934 | Box 90a \ 1 Scan037 | |
| Magazine article from 'The Autocar' reporting on the Tourist Trophy motor race with photographs of the event. | 7th Sep 1934 | Box 90a \ 1 Scan038 | |
| Article from 'The Autocar' magazine reporting on a motor race, with photos and a results table. | 7th Sep 1934 | Box 90a \ 1 Scan039 | |
| Article from 'The Autocar' magazine detailing a motor race, complete with photographs and captions. | 7th Sep 1934 | Box 90a \ 1 Scan040 | |
| Race report from 'The Autocar' magazine detailing the 1934 T.T. race. | 7th Sep 1934 | Box 90a \ 1 Scan041 | |
| Magazine article describing the Tourist Trophy motor race with accompanying photographs and circuit diagrams. | 7th Sep 1934 | Box 90a \ 1 Scan042 | |
| Report from 'The Autocar' magazine on a motor race, including results, awards, and photographs of a crash. | 7th Sep 1934 | Box 90a \ 1 Scan043 | |
| Illustrated magazine article titled 'Bumpers!' which is a fictional story about a car journey through the countryside. | 7th Sep 1934 | Box 90a \ 1 Scan044 | |
| Article from 'The Motor' magazine about motor racing events, including the Italian Grand Prix at Monza and 500-mile race entries. | 4th Sep 1934 | Box 90a \ 1 Scan045 | |
| Article from 'The Motor' magazine reporting on Dodson's victory in the 1934 R.A.C. Tourist Trophy race. | 4th Sep 1934 | Box 90a \ 1 Scan046 | |
| Magazine article from 'The Motor' reporting on the R.A.C. Tourist Trophy Race. | 4th Sep 1934 | Box 90a \ 1 Scan047 | |
| Two-page magazine spread from 'The Motor' with illustrations of the 1934 R.A.C. T.T. race. | 4th Sep 1934 | Box 90a \ 1 Scan048 | |
| The R.A.C. Tourist Trophy Race with photos and race order updates. | 4th Sep 1934 | Box 90a \ 1 Scan049 | |
| The 1934 R.A.C. Tourist Trophy Race on the Ards circuit and the Ulster Automobile Club Rally. | 4th Sep 1934 | Box 90a \ 1 Scan050 | |
| Article from 'The Motor' magazine about motor racing, including a tribute to driver H. C. Hamilton and details on upcoming races. | 4th Sep 1934 | Box 90a \ 1 Scan051 | |
| Cover page for the 1935 R.A.C. Tourist Trophy Race. | 1st Jan 1935 | Box 90a \ 1 Scan052 | |
| Remarks on a race, detailing performance of wheel hubs, tyres, and fluid consumption. | 7th Sep 1935 | Box 90a \ 1 Scan053 | |
| Vehicle modifications, adjustments, and pit stop timings for a race. | 28th Nov 1935 | Box 90a \ 1 Scan054 | |
| Request for particulars of a cylinder head fitted during the Shelsley trials for specification and estimate purposes. | 28th Nov 1935 | Box 90a \ 1 Scan055 | |
| Modifications and examinations for E.R. Hall's chassis. | 7th Oct 1935 | Box 90a \ 1 Scan056 | |
| Telephone request from Mr. E.R. Hall to refit his car with a T.T. head and axle ratio. | 1st Oct 1935 | Box 90a \ 1 Scan057 | |
| Magazine article from 'The Motor' reporting on various motor racing events and practice sessions. | 10th Sep 1935 | Box 90a \ 1 Scan058 | |
| Race report from 'The Motor' magazine about the 1935 R.A.C. Tourist Trophy Race held at Ards Circuit, Belfast. | 10th Sep 1935 | Box 90a \ 1 Scan059 | |
| Two-page magazine spread from 'The Motor' detailing the R.A.C. T.T. Race, with an illustrated account and photographs of a major crash. | 10th Sep 1935 | Box 90a \ 1 Scan060 | |
| Report from 'The Motor' magazine covering the R.A.C. T.T. race, including an illustration and half-hourly race statistics. | 10th Sep 1935 | Box 90a \ 1 Scan061 | |
| Two-page magazine article from 'The Motor' detailing The R.A.C. T.T. Race. | 10th Sep 1935 | Box 90a \ 1 Scan062 | |
| Detailed race report from 'The Motor' magazine covering The R.A.C. T.T. RACE. | 10th Sep 1935 | Box 90a \ 1 Scan063 | |
| Correspondence page from 'The Motor' magazine with reader letters on various motoring topics. | 10th Sep 1935 | Box 90a \ 1 Scan064 | |
| Article from 'The Autocar' magazine reporting on the 1935 Tourist Trophy (TT) race, won by Dixon's Riley. | 13th Sep 1935 | Box 90a \ 1 Scan065 | |
| Article from 'The Autocar' magazine reporting on the 1935 T.T. race at the Ards Circuit, Northern Ireland. | 13th Sep 1935 | Box 90a \ 1 Scan066 | |
| Page from 'The Autocar' magazine reporting on the 1935 T.T. motor race. | 13th Sep 1935 | Box 90a \ 1 Scan067 | |
| Article from 'The Autocar' magazine reporting on the T.T. race, won by Dixon's Riley. | 13th Sep 1935 | Box 90a \ 1 Scan068 | |
| Page from 'The Autocar' magazine reporting on the T.T. motor race. | 13th Sep 1935 | Box 90a \ 1 Scan069 | |
| Magazine article from 'The Autocar' reporting on the T.T. motor race. | 13th Sep 1935 | Box 90a \ 1 Scan070 | |
| Magazine article from 'The Autocar' reporting on the T.T. motor race. | 13th Sep 1935 | Box 90a \ 1 Scan071 | |
| Magazine article from 'The Autocar' detailing the T.T. motor race, including results and a photo of the winners. | 13th Sep 1935 | Box 90a \ 1 Scan072 | |
| Confirming a telephone conversation to arrange a meeting and a 'run' with Mr. E. R. Hall in Derby. | 10th Oct 1933 | Box 90a \ 2 Scan001 | |
| Cover note forwarding Mr. E. R. Hall's impressions on the Bentley. | 15th May 1934 | Box 90a \ 2 Scan002 | |
| Typed memo to arrange a visit for E. R. Hall to the Works. | 16th May 1934 | Box 90a \ 2 Scan003 | |
| Request to prepare a Bentley competition engine unit with specified components. | 19th May 1934 | Box 90a \ 2 Scan004 | |
| Visit from Mr. Hall requesting a unit be ready by the end of June, creating a tight schedule for rehearsing with Kelmit bearings. | 23th May 1934 | Box 90a \ 2 Scan005 | |
| Letter to E.R. Hall confirming proposed engine and gearbox modifications and asking for further information. | 23th May 1934 | Box 90a \ 2 Scan006 | |
| List of required modifications, agreements, and proposed tests for a vehicle. | 23th May 1934 | Box 90a \ 2 Scan007 | |
| Letter asking about the requirement for a wire grid radiator protection and offering to manufacture it. | 23th May 1934 | Box 90a \ 2 Scan008 | |
| List of notes and specifications for preparations for the Ulster Grand Prix. | 14th May 1934 | Box 90a \ 2 Scan009 | |
| Letter to Mr. E.R. Hall confirming proposed engine modifications for over 50 M.P.H. at 4500 R.P.M. | 24th May 1934 | Box 90a \ 2 Scan010 | |
| Sourcing an 11/41 axle and planning the power unit build for Mr. E.R. Hall's car. | 24th May 1934 | Box 90a \ 2 Scan011 | |
| Letter from a customer enclosing a list of points for attention on a chassis. | 25th May 1934 | Box 90a \ 2 Scan012 | |
| Confirmation note regarding a chassis viewing arrangement. | 25th May 1934 | Box 90a \ 2 Scan013 | |
| List of items for attention on a Bentley chassis. | 25th May 1934 | Box 90a \ 2 Scan014 | |
| Vehicle faults such as speedometer inaccuracy and a flooding carburetter. | 25th May 1934 | Box 90a \ 2 Scan015 | |
| Secret internal memo regarding arrangements for a car for the International Tourist Trophy Race. | 25th May 1934 | Box 90a \ 2 Scan016 | |
| Note from Mr. E.R. Hall listing required work on his Bentley chassis B-35-AE. | 26th May 1934 | Box 90a \ 2 Scan017 | |
| List of reported vehicle issues including brake jaggers, a leaking oil tank, and a collapsed spring, along with experimental interest in the car. | 26th May 1934 | Box 90a \ 2 Scan018 | |
| Letter discussing engine modifications regarding valve and port sizes, speed, and brake adjustments. | 26th May 1934 | Box 90a \ 2 Scan019 | |
| Letter requesting a wire grid to protect a radiator and noting interest in a test on an 'XXL' model. | 26th May 1934 | Box 90a \ 2 Scan020 | |
| Letter requesting a blueprint of the petrol tank to create a special type for custom body plans. | 29th May 1934 | Box 90a \ 2 Scan021 | |
| Requesting the transfer of 4 shock dampers from car 4-B.IV to be fitted to E.R. Hall's car. | 29th May 1934 | Box 90a \ 2 Scan022 | |
| Requesting the construction of an experimental exhaust system for E.R. Hall's Bentley. | 30th May 1934 | Box 90a \ 2 Scan023 | |
| Letter to E.R. Hall regarding the proposed 26.5 gallon tank and other modifications for his car. | 4th Jun 1934 | Box 90a \ 2 Scan024 | |
| Letter to E.R. Hall regarding dashboard brackets, a spare wheel carrier, and radiator stone guards. | 7th Jun 1934 | Box 90a \ 2 Scan025 | |
| Brief typed message to Mr. Hall regarding a meeting at Shelsley. | 8th Jun 1934 | Box 90a \ 2 Scan026 | |
| Letter discussing permissible modifications for Ulster and recommendations for Duron brake linings. | 12th Jun 1934 | Box 90a \ 2 Scan027 | |
| Letter comparing Duren and M.R. Ferodo materials for drums. | 10th Jun 1934 | Box 90a \ 2 Scan028 | |
| Letter discussing parts orders, materials for a radiator guard, Hartford fittings, and strategy for dealing with K.L.G.s. | 10th Jun 1934 | Box 90a \ 2 Scan029 | |
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