| Description | Date | Identifier | |
| Progress chart for experimental cars showing delivery timelines from 1937 to 1939. | 24th Jan 1939 | Box 117 \ 1 scan0305 | |
| The development and testing of a stabilising bumper for a Bentley Drophead Coupe. | 7th Feb 1939 | Box 117 \ 1 scan0306 | |
| Requesting the creation of separate order numbers for coach work development to better track spending. | 8th Feb 1939 | Box 117 \ 1 scan0307 | |
| Fitting of a stabilising bumper on a Bentley, and the potential to fit them to Wraiths and a Phantom III. | 7th Feb 1939 | Box 117 \ 1 scan0308 | |
| Ordering and fitting stabilising bumpers for the Wraith and Phantom III, with a handwritten note comparing bumper weights to a Bentley. | 10th Feb 1939 | Box 117 \ 1 scan0309 | |
| Estimation regarding Drop Head Coupé bodies on Wraith models affected by front movement. | 14th Feb 1939 | Box 117 \ 1 scan0310 | |
| Request to obtain 2 sample sets of Hillman mud flaps and to get a cost figure for them. | 14th Feb 1939 | Box 117 \ 1 scan0311 | |
| Revised blueprint showing the progress of experimental cars. | 16th Feb 1939 | Box 117 \ 1 scan0312 | |
| Stiffness of frames and bodies with folding tops, comparing different constructions and suspension systems. | 10th Feb 1939 | Box 117 \ 1 scan0313 | |
| Design compromises regarding torsion rod front suspension and experiences with lightweight car bodies. | 21th Feb 1939 | Box 117 \ 1 scan0314 | |
| Letter to Park Ward & Co. Ltd. regarding the supply and fitting of bonnets for Bentley, B.5, B.50 and Silver Wraith experimental cars. | 25th Feb 1939 | Box 117 \ 1 scan0315 | |
| Letter from Silentbloc Limited regarding the rubber hardness of anti-vibration mountings supplied for testing. | 28th Feb 1939 | Box 117 \ 1 scan0316 | |
| Letter to Messrs. Park Ward & Co. Ltd. enclosing duplicate prints of a revised Coachbuilders Chassis Drawing List. | 2nd Mar 1939 | Box 117 \ 1 scan0317 | |
| Evolution of the Bentley frontal appearance design. | 6th Mar 1939 | Box 117 \ 1 scan0318 | |
| Evolution of front grille design for the Corniche and Cresta models. | 6th Mar 1939 | Box 117 \ 1 scan0319 | |
| Despatch of bonnet handles and a stiffening plate to Messrs. Park Ward in London. | 10th Mar 1939 | Box 117 \ 1 scan0320 | |
| Letter from the Experimental Department to Messrs. Park Ward & Co. Ltd. about despatching parts. | 10th Mar 1939 | Box 117 \ 1 scan0321 | |
| Letter to Mr. Ward of Park, Ward & Co., Ltd. arranging a visit to view experimental cars and an urgent request for part 3.B.50. | 16th Mar 1939 | Box 117 \ 1 scan0322 | |
| Visit to Park Wards to check the position of various car bodies and chassis, noting issues with bonnets. | 18th Mar 1939 | Box 117 \ 1 scan0323 | |
| Confirming a change in the hardness specification for silentbloc body mountings. | 20th Mar 1939 | Box 117 \ 1 scan0324 | |
| Letter from Silentbloc Ltd. regarding the rubber hardness and pricing of anti-vibration mountings. | 25th Mar 1939 | Box 117 \ 1 scan0325 | |
| Summary of discussions from an I.A.E. Joint Meeting about mental and physical comfort in car travel. | 25th Mar 1939 | Box 117 \ 1 scan0326 | |
| Vehicle comfort factors including pivoting headlamps, ventilation, air conditioning, and suspension dynamics. | 25th Mar 1939 | Box 117 \ 1 scan0327 | |
| Page discussing passenger comfort, sideways body control, and the benefits of a flat floor. | 25th Mar 1939 | Box 117 \ 1 scan0328 | |
| Confidential letter to coachbuilder Park Ward & Co. Ltd. regarding the fitment of side spare wheel carriers on experimental cars. | 25th Mar 1939 | Box 117 \ 1 scan0329 | |
| Attaching a revised blueprint showing the progress of experimental cars. | 30th Mar 1939 | Box 117 \ 1 scan0330 | |
| Progress chart tracking the development and delivery timelines for experimental cars from 1937 to 1939. | 24th Jan 1939 | Box 117 \ 1 scan0331 | |
| Letter from coachbuilder Park Ward & Co. Ltd regarding issues with Tenax fasteners for dash carpets. | 3rd Apr 1939 | Box 117 \ 2 scan0001 | |
| Letter from the Experimental Department requesting the supply of 12 push-pull type dashboard switches. | 6th Apr 1939 | Box 117 \ 2 scan0002 | |
| Official order for 12 push-pull type dashboard switches to be sent to Park Ward & Co. Ltd. | 6th Oct 1939 | Box 117 \ 2 scan0003 | |
| Request for permission to transport a Bentley chassis to Messrs. Park Ward Ltd. | 12th Apr 1939 | Box 117 \ 2 scan0004 | |
| Order acknowledgement slip and a letter from coachbuilder Park Ward & Co. Ltd confirming dispatch of dashboard switches. | 13th Apr 1939 | Box 117 \ 2 scan0005 | |
| Letter to Messrs. Park Ward concerning the examination of Tenax fasteners. | 17th Apr 1939 | Box 117 \ 2 scan0006 | |
| Confidential letter to Park Ward & Co. Ltd. regarding modifications to a wing lamp and instrument board wiring. | 19th Apr 1939 | Box 117 \ 2 scan0007 | |
| Letter discussing drawings and the production of a jig for frame assembly. | 22th Apr 1939 | Box 117 \ 2 scan0008 | |
| The despatch of 9 plated hub cap centres to Messrs. Park Ward in London. | 22th Apr 1939 | Box 117 \ 2 scan0009 | |
| Official order be sent to Messrs. Park Ward, amended from the originally typed recipient Sanderson & Holmes. | 22th Apr 1939 | Box 117 \ 2 scan0010 | |
| Letter to Park Ward Ltd. requesting the painting of 9 press-on type hub caps for Bentley and Rolls-Royce. | 22th Apr 1939 | Box 117 \ 2 scan0011 | |
| Letter from coachbuilders Park Ward & Co. Ltd regarding instructions for painting nine press-on type hub caps. | 24th Apr 1939 | Box 117 \ 2 scan0012 | |
| Confidential letter regarding Tenax Fasteners for an experimental chassis. | 24th Apr 1939 | Box 117 \ 2 scan0013 | |
| Confidential letter to Park Ward & Co. Ltd. regarding experimental chassis prints and various design schemes. | 27th Apr 1939 | Box 117 \ 2 scan0014 | |
| Letter to Park Ward & Co. Ltd. concerning the revised storage location for tools on an experimental chassis. | 1st May 1939 | Box 117 \ 2 scan0015 | |
| Letter to Park Ward Ltd. concerning chassis delivery, parts, and logistics. | 2nd May 1939 | Box 117 \ 2 scan0016 | |
| Letter from Park Ward & Co Ltd regarding car collection, painted wheel caps, and dashboard switches. | 3rd May 1939 | Box 117 \ 2 scan0017 | |
| Request to Park Ward & Co. Ltd. for two press switches for operating an electric division, noting a cracked switch on car 3.B.50. | 4th May 1939 | Box 117 \ 2 scan0018 | |
| Internal request to send an official order for 12 dashboard push pull type switches to Messrs. Park Ward & Co. Ltd. | 5th May 1939 | Box 117 \ 2 scan0019 | |
| Letter from a coachbuilder regarding the dispatch and wiring instructions for door switches. | 5th May 1939 | Box 117 \ 2 scan0020 | |
| Request to supply Park Ward Co. with 3 sets of Lucas windscreen wipers for fitting to Experimental Bodies. | 8th May 1939 | Box 117 \ 2 scan0021 | |
| Confirming the provision of wipers for experimental bodies to Park Ward & Co. | 9th May 1939 | Box 117 \ 2 scan0022 | |
| Official order for a rubber strip from British Tyre & Rubber Co.Ltd. | 12th May 1939 | Box 117 \ 2 scan0023 | |
| Mr. Ward's visit to Derby to discuss criticisms of experimental car bodies, focusing on wind noises. | 12th May 1939 | Box 117 \ 2 scan0024 | |
| List of notes on vehicle body and interior fittings, including flooring, ashtrays, ventilation, and seating. | 12th May 1939 | Box 117 \ 2 scan0025 | |
| List of observations and suggested improvements for various car body components. | 12th May 1939 | Box 117 \ 2 scan0026 | |
| Decisions on Lancegaye glass, defroster ducts, windows, and bodywork for specific car models. | 12th May 1939 | Box 117 \ 2 scan0027 | |
| Confirmation of agreed bodywork modifications, including moulding, screen capping, and a rear number plate design. | 19th May 1939 | Box 117 \ 2 scan0028 | |
| Confidential letter to Park Ward & Co. Ltd. regarding parts for experimental cars and acknowledging the receipt of a speedometer. | 19th May 1939 | Box 117 \ 2 scan0029 | |
| Letter to Messrs. Park Ward & Co. Ltd. concerning modifications for Production B.5 Bentley bodies. | 19th May 1939 | Box 117 \ 2 scan0030 | |
| Confidential letter to Park Ward & Co. Ltd. enclosing updated blueprints for a B.5 production chassis. | 27th May 1939 | Box 117 \ 2 scan0031 | |
| Notice about replacing a drawing for a tail pipe with a newer version. | 28th May 1939 | Box 117 \ 2 scan0032 | |
| Letter to designer Georges Paulin requesting drawings for several car design projects. | 28th May 1939 | Box 117 \ 2 scan0033 | |
| Translated letter from M. Paulin to Mr. Evernden regarding progress on the Corniche car project. | 1st Jun 1939 | Box 117 \ 2 scan0034 | |
| Vehicle designs, accessories, competitive analysis, and a request for a test drive of the Corniche prototype. | 1st Jun 1939 | Box 117 \ 2 scan0035 | |
| Page 3 of a letter from G. Paulin expressing gratitude following a visit to Derby and awaiting designs. | 3rd Jun 1939 | Box 117 \ 2 scan0036 | |
| Letter to Park Ward & Co. Ltd. discussing modifications to the front body crossmember and change gear lever for the Production B.5. Chassis. | 3rd Jun 1939 | Box 117 \ 2 scan0037 | |
| Request for a drawing of the wheelarch to assist with modifying a bracket for tail pipe suspension clearance. | 17th Jun 1939 | Box 117 \ 2 scan0038 | |
| Letter to M. Georges Paulin detailing the construction programme for Corniche bodies for the Salon & Earl's Court shows. | 17th Jun 1939 | Box 117 \ 2 scan0039 | |
| Instructions regarding chassis delivery, and design proposals for steering wheels, medallions, and bodywork. | 17th Jun 1939 | Box 117 \ 2 scan0040 | |
| Request for design studies for a competition car body, a 2.3-litre monocoque chassis, and bumpers. | 28th Jun 1939 | Box 117 \ 2 scan0041 | |
| Letter in French to M. Paulin regarding the progress and testing of the Corniche cars. | 28th Jun 1939 | Box 117 \ 2 scan0042 | |
| French language memo outlining vehicle testing requirements and design study priorities. | 28th Jun 1939 | Box 117 \ 2 scan0043 | |
| French-language letter detailing accessories for a Bentley, logistics for vehicle 14.B.5, and performance data for the Corniche. | 30th Jun 1939 | Box 117 \ 2 scan0044 | |
| Letter to Mr. C.W. Ward of Park Ward & Co. arranging a visit to see 'mock-ups'. | 30th Jun 1939 | Box 117 \ 2 scan0045 | |
| Attaching updated blueprints showing the progress of experimental car bodies and requesting the destruction of a previous sheet. | 29th Jun 1939 | Box 117 \ 2 scan0046 | |
| Progress chart tracking the development and delivery of experimental cars. | 24th Jan 1939 | Box 117 \ 2 scan0047 | |
| Progress chart tracking the development of experimental cars from 1939 to 1940. | 27th Jun 1939 | Box 117 \ 2 scan0048 | |
| Letter to Park Ward & Co. Ltd. regarding blueprint PD.464 for the Silver Wraith and Silver Dawn models. | 7th Jul 1939 | Box 117 \ 2 scan0049 | |
| Confidential letter to Park Ward & Co. Ltd. enclosing print PD.465 for a Front Apron, Starting Handle & Bumper. | 8th Jul 1939 | Box 117 \ 2 scan0050 | |
| Experimental research into coupé bodies and the potential acquisition of an American car for analysis. | 22th Jul 1939 | Box 117 \ 2 scan0051 | |
| Difficulties in developing a coupé and proposing to reverse-engineer an American model for the 'Ripple' project. | 22th Jul 1939 | Box 117 \ 2 scan0052 | |
| Body shake issues with the 10.B.V. Drophead Coupé, including proposed modifications. | 21th Jul 1939 | Box 117 \ 2 scan0053 | |
| Technical analysis of the probable cause of shake, comparing torsional stiffness across various Bentley models and detailing attempts to stiffen the scuttle. | 21th Jul 1939 | Box 117 \ 2 scan0054 | |
| Body stiffness modifications and measurements for a Coupé model. | 21th Jul 1939 | Box 117 \ 2 scan0055 | |
| Need for a mock-up scuttle and coordinating with Park Ward for the supply of parts. | 21th Jul 1939 | Box 117 \ 2 scan0056 | |
| Request from coachbuilder Park Wards for a dummy chassis to assist with production. | 22th Jul 1939 | Box 117 \ 2 scan0057 | |
| Letter discussing difficulties in sourcing two-door foursome Coupe bodies and arranging a meeting. | 25th Jul 1939 | Box 117 \ 2 scan0058 | |
| List of used Chevrolet, Pontiac, and Buick cars for sale with mileage and price details. | 25th Jul 1939 | Box 117 \ 2 scan0059 | |
| List of used American cars with model details, mileage, and prices. | 31th Jul 1939 | Box 117 \ 2 scan0060 | |
| Letter to Park Ward & Co. Ltd. detailing the dispatch of blueprints for Bentley S Bonnets. | 31th Jul 1939 | Box 117 \ 2 scan0061 | |
| Programme of work detailing tasks and status updates for various vehicles for the week commencing 14th August 1939. | 11th Aug 1939 | Box 117 \ 2 scan0062 | |
| Status report and task list for various cars requiring maintenance and coachbuilding work. | 11th Aug 1939 | Box 117 \ 2 scan0063 | |
| The transportation arrangements for two experimental chassis. | 12th Aug 1939 | Box 117 \ 2 scan0064 | |
| Letter to Park Ward & Co. regarding the effect of production quantity on motor-car cost. | 31th Aug 1939 | Box 117 \ 2 scan0065 | |
| Letter from coachbuilders Park Ward & Co. Ltd. to W.A. Robotham thanking him for a curve prepared from figures given by Mr. Englebach. | 4th Sep 1939 | Box 117 \ 2 scan0066 | |
| Invoice from Park Ward & Co. Ltd. and requesting a covering order be issued. | 23th Sep 1939 | Box 117 \ 2 scan0067 | |
| Covering order for work done by Messrs. Park Wards on chassis 25.G.VI. | 26th Sep 1939 | Box 117 \ 2 scan0068 | |
| Payment for two head lamp rims from Messrs. Park Wards. | 3rd Oct 1939 | Box 117 \ 2 scan0069 | |
| The postponement of Mr. C. Ward's visit to Derby. | 11th Oct 1939 | Box 117 \ 2 scan0070 | |
| Letter to Mr. E.A. Green regarding a meeting to discuss post-war body production. | 27th Oct 1939 | Box 117 \ 2 scan0071 | |
| Feasibility of using different car bodies on the Ripplet and Rippletto chassis. | 28th Oct 1939 | Box 117 \ 2 scan0072 | |
| Modifications to a car's scuttle and the placement of the spare wheel. | 28th Oct 1939 | Box 117 \ 2 scan0073 | |
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