| Description | Date | Identifier | |
| Tyre wear, road testing experiences, and an investigation into poor fuel economy on a 'Silver Ghost' with 4-wheel brakes. | 28th Oct 1941 | Box 160 \ 5 scan0361 | |
| Continental vehicle testing, the challenges of German autobahns, and the temporary closure of the experimental department due to war. | 28th Oct 1941 | Box 160 \ 5 scan0362 | |
| Letter thanking Mr. Robotham for an article on Continental Testing, intended for publication. | 4th Nov 1941 | Box 160 \ 5 scan0363 | |
| Follow-up note from W. Boddy of Motor Sport regarding a visit to see experimental cars. | 5th Dec 1941 | Box 160 \ 5 scan0364 | |
| Letter of congratulations from 'The Motor' magazine to W.A. Robotham on his tank appointment. | 5th Dec 1941 | Box 160 \ 5 scan0365 | |
| Letter to Laurence Pomeroy regarding a spurious 'Daily Mail' interview and the end of the war. | 11th Dec 1941 | Box 160 \ 5 scan0366 | |
| Letter to Laurence Pomeroy referencing a spurious 'Daily Mail' interview and looking forward to the end of the war. | 11th Dec 1941 | Box 160 \ 5 scan0367 | |
| Sketches of the Corniche and their potential for publication. | 23th Dec 1941 | Box 160 \ 5 scan0368 | |
| Sketches of the Corniche made by a worker for potential publication. | 23th Dec 1941 | Box 160 \ 5 scan0369 | |
| Payment for sketches of the Corniche intended for publication in 'The Motor' magazine. | 1st Jan 1942 | Box 160 \ 5 scan0370 | |
| Payment for 'Corniche' sketches. | 17th Jan 1942 | Box 160 \ 5 scan0371 | |
| Clarifying payment details for an artist named K. Davies. | 18th Feb 1942 | Box 160 \ 5 scan0372 | |
| Brief typed communication regarding sketches made by K. Davies. | 20th Feb 1942 | Box 160 \ 5 scan0373 | |
| Blueprint showing side, plan, and cross-section views of an aerodynamic vehicle body. | 6th Apr 1936 | Box 161 \ 1 scan0001 | |
| The performance of a Dubonnet car during a test run at Brooklands Track, covering its layout, stability, and the effects of streamlining. | 6th Apr 1936 | Box 161 \ 1 scan0002 | |
| Report discussing the benefits of vehicle streamlining, referencing competitor designs, and proposing wind tunnel work. | 6th Apr 1936 | Box 161 \ 1 scan0003 | |
| Table comparing the horsepower required to drive Bentley and Dubonnet cars, and the improved acceleration from streamlining. | 6th Apr 1936 | Box 161 \ 1 scan0004 | |
| Short memo regarding windage reduction and arranging a follow-up meeting in Derby. | 17th Apr 1936 | Box 161 \ 1 scan0005 | |
| Magazine page discussing new Morris and Wolseley models, and speed records set by an Adler-Trumpf car. | 27th Jun 1936 | Box 161 \ 1 scan0006 | |
| Automotive industry news page with articles on dealer laws, model pricing, production figures, and company updates. | 27th Jun 1936 | Box 161 \ 1 scan0007 | |
| Press photograph and caption for the Adler-Trumpf car, which recently set six new international records. | 27th Jul 1936 | Box 161 \ 1 scan0008 | |
| Letter discussing a Bugatti's funnel arrangement and rear air exit, referencing an attached article from 'L'Actualité Automobile'. | 27th Jul 1936 | Box 161 \ 1 scan0009 | |
| Letter from G.E.T. Eyston's secretary arranging a visit to the Bristol Aeroplane Co. wind tunnel. | 25th Aug 1936 | Box 161 \ 1 scan0010 | |
| Letter discussing a visit to Bristol and coordinating wind tunnel testing for a new car model. | 22th Aug 1936 | Box 161 \ 1 scan0011 | |
| Letter discussing travel arrangements to meet in Bristol and providing contact details. | 25th Aug 1936 | Box 161 \ 1 scan0012 | |
| Letter to Capt. G.E.T. Eyston arranging a visit to Bristol with a wind tunnel expert. | 25th Aug 1936 | Box 161 \ 1 scan0013 | |
| Letter enclosing a print of Bristol wind tunnel findings and requesting suggestions for a new model's drag and stability. | 2nd Sep 1936 | Box 161 \ 1 scan0014 | |
| Letter regarding a mechanic for a Kestrel motor and an update on a stripped car. | 31th May 1936 | Box 161 \ 1 scan0015 | |
| Preprint paper on the economics of streamlining in heavy transportation presented to the Society of Automotive Engineers. | 31th May 1936 | Box 161 \ 1 scan0016 | |
| Report analyzing power savings achieved through streamlining vehicles like trains, buses, and trucks. | 31th May 1936 | Box 161 \ 1 scan0017 | |
| Comparison of horsepower required and power savings for streamlined vs. conventional highway and rail vehicles. | 31th May 1936 | Box 161 \ 1 scan0018 | |
| Comparison of horsepower required to overcome air resistance for streamlined versus conventional trains at various speeds. | 31th May 1936 | Box 161 \ 1 scan0019 | |
| Page showing a table and formula for calculating horsepower required to overcome air resistance. | 31th May 1936 | Box 161 \ 1 scan0020 | |
| Page detailing the determination of air resistance coefficient 'C' and comparing performance data for rail cars, highway buses, and trucks. | 31th May 1936 | Box 161 \ 1 scan0021 | |
| The effects of side winds on air resistance and the limitations of wind tunnel testing for vehicles. | 31th May 1936 | Box 161 \ 1 scan0022 | |
| Wind tunnel testing methods, air resistance, and the aerodynamic benefits of streamlined vehicle forms. | 31th May 1936 | Box 161 \ 1 scan0023 | |
| Illustrations of streamlined vehicle designs and a graph showing the effect of side wind. | 3rd Nov 1936 | Box 161 \ 1 scan0024 | |
| Article from 'The Motor' magazine about Caracciola's land speed record runs in a streamlined Mercedes-Benz. | 3rd Nov 1936 | Box 161 \ 1 scan0025 | |
| Magazine page reporting on the SS Bournemouth Trial, the Scottish Anniversary Trial, and other motoring news. | 3rd Nov 1936 | Box 161 \ 1 scan0026 | |
| Article from 'The Motor' magazine about Rudolf Caracciola's record-breaking performance in a 12-cylinder Mercedes-Benz. | 3rd Nov 1936 | Box 161 \ 1 scan0027 | |
| Article about an asbestos garage, a portable upholstery cleaner, and various tools for the garage. | 3rd Nov 1936 | Box 161 \ 1 scan0028 | |
| Bentley's performance issues due to high wind resistance and the need for more streamlined bodywork. | 21th Aug 1937 | Box 161 \ 1 scan0029 | |
| Aerodynamic improvements by altering the radiator, referencing a contemporary Fiat race car. | 21th Aug 1937 | Box 161 \ 1 scan0030 | |
| Test run of a Dubonnet car at Brooklands, detailing its general layout, handling, and the effects of streamlining. | 6th Apr 1936 | Box 161 \ 1 scan0031 | |
| Advantages of streamlining vehicles and proposing annual spending on wind tunnel work. | 6th Apr 1937 | Box 161 \ 1 scan0032 | |
| Table comparing the required horsepower and improved acceleration due to streamlining for a Bentley versus a Dubonnet car. | 6th Apr 1936 | Box 161 \ 1 scan0033 | |
| Requesting information on wind noises in Wraith cars for discussion with coach-builders. | 14th Oct 1937 | Box 161 \ 1 scan0034 | |
| Investigation and discussion of wind noises in car bodies. | 18th Oct 1937 | Box 161 \ 1 scan0035 | |
| Causes and tests conducted for body wind noise on the Wraith model. | 15th Oct 1937 | Box 161 \ 1 scan0036 | |
| Recommending that issues with door and sunshine roof sealing be addressed by the coachbuilders. | 28th Oct 1937 | Box 161 \ 1 scan0037 | |
| Sources of wind noises in a Wraith III vehicle. | 28th Oct 1937 | Box 161 \ 1 scan0038 | |
| Scheduling of a coachwork conference to investigate wind noises in car bodies. | 28th Oct 1937 | Box 161 \ 1 scan0039 | |
| The sources of wind noise in a Wraith III vehicle. | 28th Oct 1937 | Box 161 \ 1 scan0040 | |
| Letter regarding the arrangement of wind tunnel testing for cars. | 28th Oct 1937 | Box 161 \ 1 scan0041 | |
| Wind tunnel testing and drag coefficient correlation for a streamlined Bentley car. | 29th Oct 1937 | Box 161 \ 1 scan0042 | |
| Reliability of wind tunnel test results for a streamlined Bentley car. | 7th Nov 1933 | Box 161 \ 1 scan0043 | |
| Letter arranging wind tunnel tests on model cars with Vickers (Aviation) Ltd. | 1st Nov 1937 | Box 161 \ 1 scan0044 | |
| Wind noises in car bodies, referencing past communications and suggesting a meeting. | 1st Nov 1937 | Box 161 \ 1 scan0045 | |
| Wind noises in car bodies and coordinating a visit with a coachbuilder. | 2nd Nov 1937 | Box 161 \ 1 scan0046 | |
| Correcting a reference number from a previous communication regarding wind noises in bodies. | 3rd Nov 1937 | Box 161 \ 1 scan0047 | |
| Wind noises on the Wraith III chassis with the body makers. | 5th Nov 1937 | Box 161 \ 1 scan0048 | |
| The wind tunnel tests conducted on a Vanvooren Bentley scale model. | 10th Nov 1937 | Box 161 \ 1 scan0049 | |
| Rear seat and body width, and the theory behind an unorthodox aerodynamic form. | 10th Nov 1937 | Box 161 \ 1 scan0050 | |
| Performance calculations for a B.23.AE Streamline Saloon (Park Ward), comparing lap speed data with wind tunnel results. | 10th Nov 1937 | Box 161 \ 1 scan0051 | |
| Performance and drag calculations for a Vanvooren Bentley. | 10th Nov 1937 | Box 161 \ 1 scan0052 | |
| Specification sheet detailing wheel size, engine revs, and axle/overdrive ratios. | 10th Nov 1937 | Box 161 \ 1 scan0053 | |
| Comparison of wind tunnel data for a Park Ward Streamline Bentley and a Vanvooren Bentley. | 11th Nov 1937 | Box 161 \ 1 scan0054 | |
| Potential overdrive gearbox for a Vanvooren Bentley following wind tunnel tests, and concerns about a customer's expectations. | 11th Nov 1937 | Box 161 \ 1 scan0055 | |
| The proposal to build a custom aerodynamic 'Paulin Bentley' for Mr. Embericos. | 15th Nov 1937 | Box 161 \ 1 scan0056 | |
| The cancellation of a project on a Vanvooren Bentley due to an unavailable overdrive gearbox. | 17th Nov 1937 | Box 161 \ 1 scan0057 | |
| Private letter discussing a proposal to fit a streamlined body to a 4 1/4 litre Bentley for a client named Mr. Embiricos. | 17th Feb 1937 | Box 161 \ 1 scan0058 | |
| Letter discussing design drawings for a stream-lined Bentley by Mr Paulin. | 18th Nov 1937 | Box 161 \ 1 scan0059 | |
| The effects of wind resistance on the acceleration of a Bentley. | 1st Dec 1937 | Box 161 \ 1 scan0060 | |
| Performance comparison of a Standard B.2. Saloon and a Vanvooren model, focusing on acceleration data. | 1st Dec 1937 | Box 161 \ 1 scan0061 | |
| Appendix evaluating the increased horsepower available for acceleration on the Vanvooren Bentley compared to a standard model. | 1st Dec 1937 | Box 161 \ 1 scan0062 | |
| Acceleration calculations for Standard B.2. Saloon and Vanvooren Aerodynamique models. | 1st Dec 1937 | Box 161 \ 1 scan0063 | |
| Performance data tables comparing a standard 4 1/4 litre Bentley with a Vanvooren 'Aerodynamique' model with overdrive. | 1st Dec 1937 | Box 161 \ 1 scan0064 | |
| Performance graph comparing horsepower, acceleration, and velocity for a Standard Car versus a 'Vanvooren' model. | 2nd Dec 1937 | Box 161 \ 1 scan0065 | |
| Chart about the effect of wind resistance on the acceleration of a Bentley. | 2nd Dec 1937 | Box 161 \ 1 scan0066 | |
| Private memo discussing the design and aerodynamic testing of a new streamline car, focusing on radiator height. | 2nd Dec 1937 | Box 161 \ 1 scan0067 | |
| Brief typed note about returning a model car and sending drawings. | 3rd Dec 1937 | Box 161 \ 1 scan0068 | |
| Instructing the Mailing Department to despatch drawings to the Franco-Britannic Auto Co., Ltd. in Paris. | 3rd Dec 1937 | Box 161 \ 1 scan0069 | |
| Request to dispatch a model car to W. Sleator at Franco-Britannic Auto Co., Ltd. in Paris. | 3rd Dec 1937 | Box 161 \ 1 scan0070 | |
| Communication acknowledging receipt of information and a chart on the effect of wind resistance on Bentley acceleration. | 6th Dec 1937 | Box 161 \ 1 scan0071 | |
| To Bentley Motors Ltd. confirming the receipt of a returned model car. | 20th Dec 1937 | Box 161 \ 1 scan0072 | |
| Requesting modifications to a Wraith to reduce wind noise and for a list of these changes to be provided for future reference. | 18th Jan 1938 | Box 161 \ 1 scan0073 | |
| Article from 'The Motor' magazine about the principles and benefits of streamlining in motorcars. | 25th Jan 1938 | Box 161 \ 1 scan0074 | |
| The contents page for 'The Motor' journal, volume LXXII, number 1883. | 25th Jan 1938 | Box 161 \ 1 scan0075 | |
| Article discussing the engineering and economic possibilities of lowered wind resistance in automobiles. | 25th Jan 1938 | Box 161 \ 1 scan0076 | |
| Article from 'The Motor' magazine discussing the engineering principles, benefits, and challenges of streamlining car bodies. | 25th Jan 1938 | Box 161 \ 1 scan0077 | |
| Letter discussing the progress on a streamline car project, including the wooden working model, chassis, and axle considerations. | 31th Jan 1938 | Box 161 \ 1 scan0078 | |
| Car modifications and streamlining, drawing a comparison with French steam train technology. | 31th Jan 1938 | Box 161 \ 1 scan0079 | |
| The performance of a streamlined train compared to a standard train on a route including Dijon and Marseilles. | 31th Jan 1938 | Box 161 \ 1 scan0080 | |
| Responding to queries on Bentley bearings, steering, and a streamline car radiator. | 4th Feb 1938 | Box 161 \ 1 scan0081 | |
| Page 2 of a memo with recommendations on chassis, tyres, axle, and engine head for a specific car. | 4th Feb 1938 | Box 161 \ 1 scan0082 | |
| Confirming the chassis number for an Embiricos Bentley to be fitted with a special streamlined French body. | 11th Feb 1938 | Box 161 \ 1 scan0083 | |
| Letter discussing modifications for a streamlined body chassis, including performance parts and addressing instrument quality. | 21th Feb 1938 | Box 161 \ 1 scan0084 | |
| Modifications to be carried out on a chassis. | 21th Feb 1938 | Box 161 \ 1 scan0085 | |
| List of modifications for a chassis going to Paris for a streamline body. | 19th Feb 1938 | Box 161 \ 1 scan0086 | |
| On wind resistance, the benefits of streamlining, and competitive market positioning against other car models. | 2nd Feb 1938 | Box 161 \ 1 scan0087 | |
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