| Description | Date | Identifier | |
| Requesting five sets of induction pipes for the Large Bore 20/25's model. | 17th Jul 1935 | Box 102 \ 1 scan0363 | |
| Requesting a slotted suction piston for a 20/25 carburetter to improve starting. | 19th Jul 1935 | Box 102 \ 1 scan0364 | |
| Test report on a Stromberg DA-42 carburettor, detailing issues, adjustments, and comparison to another model. | 6th Aug 1935 | Box 102 \ 1 scan0365 | |
| Recommendation for an insulating washer and the present specification of a Stromberg carburetter. | 6th Aug 1935 | Box 102 \ 1 scan0366 | |
| Request to modify two 20/25 HP carburetters taken from customers' cars to current production standards. | 7th Aug 1935 | Box 102 \ 1 scan0367 | |
| Dimensions for the new XC3 carburetter needle for the 20/25 HP model to improve petrol consumption. | 6th Aug 1935 | Box 102 \ 1 scan0368 | |
| Internal order for a 20/25 HP carburetter for fitment to a 21-G-IV car. | 8th Aug 1935 | Box 102 \ 1 scan0369 | |
| Outlining a series of proposed tests for induction system development. | 30th Aug 1935 | Box 102 \ 1 scan0370 | |
| Standardisation proposal for a flexible petrol pipe with a filter to the float chamber to prevent carburettor flooding. | 2nd Jul 1935 | Box 102 \ 1 scan0371 | |
| Cost estimate for extra jigs, tools, and equipment relating to a modification already in production. | 12th Aug 1935 | Box 102 \ 1 scan0372 | |
| Test report on the performance and carburation issues of a Stromberg downdraught carburetter. | 9th Sep 1935 | Box 102 \ 1 scan0373 | |
| Request for the production of three Hs.2075 induction pipes for the Large Bore 20/25 model. | 16th Sep 1935 | Box 102 \ 1 scan0374 | |
| Test report and specification for Stromberg carburetter D.B.42. | 16th Nov 1935 | Box 102 \ 1 scan0375 | |
| Material changes and standardisation of parts for air silencers on Big Bore Bentley and 20/25 HP models. | 19th Nov 1935 | Box 102 \ 1 scan0376 | |
| Modifications to a Stromberg D.B.42 carburetter to address weakness at part throttle. | 20th Nov 1935 | Box 102 \ 1 scan0377 | |
| 25/30 HP induction pipes and a scheme to address issues with the Stromberg downdraught carburetter. | 5th Dec 1935 | Box 102 \ 1 scan0378 | |
| Complaints of poor petrol consumption on 20/25 HP carburettors and outlining the modification required. | 7th Dec 1935 | Box 102 \ 1 scan0379 | |
| Request to modify the air intake bend for a 25/30 HP engine. | 9th Dec 1935 | Box 102 \ 1 scan0380 | |
| Insulating washer for the 25/29 induction system and instructions for ordering it from a supplier for experimental purposes. | 18th Dec 1935 | Box 102 \ 1 scan0381 | |
| Cold start tests performed on a Stromberg Carburetter at various low temperatures. | 21th Dec 1935 | Box 102 \ 1 scan0382 | |
| Carburetter petrol filter and gauze sample for a 25/29 HP chassis. | 21th Dec 1935 | Box 102 \ 1 scan0383 | |
| Reply concerning petrol consumption and carburetter modifications for the 20/25 model. | 3rd Jan 1936 | Box 102 \ 1 scan0384 | |
| Tests on an induction pipe for a 25-30 HP engine, requesting a celluloid window be fitted. | 6th Jan 1936 | Box 102 \ 1 scan0385 | |
| Proposal to change the induction pipe material from cast iron to aluminium for the 25-30 HP chassis. | 9th Jan 1936 | Box 102 \ 1 scan0386 | |
| Specification for a DA-42 Stromberg Carburetter fitted to a 18-G-IV (Large Bore) engine. | 11th Jan 1936 | Box 102 \ 1 scan0387 | |
| Final specification and performance report for a Stromberg carburettor on a 21-G-IV (Large Bore) engine. | 13th Jan 1936 | Box 102 \ 1 scan0388 | |
| Modifications and settings for a Stromberg DA-42 carburetter on car 20-G-IV. | 13th Jan 1936 | Box 102 \ 1 scan0389 | |
| Specification and modifications for a DB-42 Stromberg Carburetter. | 13th Jan 1936 | Box 102 \ 1 scan0390 | |
| Request to produce six sets of modified induction and exhaust systems for the 25/30 HP engine. | 17th Jan 1936 | Box 102 \ 1 scan0391 | |
| Specifications for a DA.42 Stromberg carburetter, including jet sizes and a modification to the jump link split pin. | 22th Jan 1936 | Box 102 \ 1 scan0392 | |
| Updated settings for a Stromberg carburetter DB.42 for winter running. | 22th Jan 1936 | Box 102 \ 1 scan0393 | |
| Tests of an induction system non-return drainage valve for a 25/30 HP engine. | 23th Jan 1936 | Box 102 \ 1 scan0394 | |
| Initial engine starting tests and the effects of different air intake bends on distribution. | 23th Jan 1936 | Box 102 \ 1 scan0395 | |
| Body faults for vehicle 18-G4 fitted with a Park Ward body after 10,000 miles. | 3rd Jan 1931 | Box 102 \ 2 scan0001 | |
| Defects on a Park Ward body for car 18-G-4, specifically concerning stone guards and a missed inspection. | 14th Jan 1931 | Box 102 \ 2 scan0002 | |
| Letter regarding body faults on car 18-G4 and the importance of showing it to the coachbuilders, Park Ward. | 15th Jan 1931 | Box 102 \ 2 scan0003 | |
| Arranging for car 18-G4 to be taken to Messrs. Park Wards to address body faults. | 16th Jan 1931 | Box 102 \ 2 scan0004 | |
| Arranging an inspection to investigate body faults on car 18-G4. | 16th Jan 1931 | Box 102 \ 2 scan0005 | |
| Suggestion to build the car bodies for the 'Japan 3' project without a subframe, citing mixed results from tests on the Phantom II. | 20th Jan 1931 | Box 102 \ 2 scan0006 | |
| Instruction for work to be carried out on Chassis 18-GA by Messrs. Sanderson & Holmes. | 23th Jan 1931 | Box 102 \ 2 scan0007 | |
| Instruction memo to have Messrs. Sanderson & Holmes carry out work on chassis 18-GA. | 23th Jan 1931 | Box 102 \ 2 scan0008 | |
| Copy of a memo requesting a car be brought to London to investigate body faults with Park Wards. | 26th Jan 1931 | Box 102 \ 2 scan0009 | |
| Progress of a dismantled car, its rebuilding, and expected completion. | 29th Jan 1931 | Box 102 \ 2 scan0010 | |
| Secret memo regarding coachbuilders' blueprints and the use of sub-frames for the 'Japan III' project. | 3rd Feb 1931 | Box 102 \ 2 scan0011 | |
| Recommending that 'JAPAN' III bodies should be manufactured without subframes. | 7th Feb 1931 | Box 102 \ 2 scan0012 | |
| Instruction to Messrs. Sanderson & Holmes to carry out work on chassis 18-G4 as per an attached estimate. | 9th Feb 1931 | Box 102 \ 2 scan0013 | |
| Strategy for testing car bodies for the 'Japan 3' chassis. | 11th Feb 1931 | Box 102 \ 2 scan0014 | |
| Cause of 'booming' issues in P.2 & 25HP models, weighing whether the fault lies in the chassis or the body. | 13th Mar 1931 | Box 102 \ 2 scan0015 | |
| Technical discussion on methods to reduce engine and chassis vibrations. | 13th Mar 1931 | Box 102 \ 2 scan0016 | |
| Potential causes for vehicle trouble, including flywheel, chassis, and crankchamber issues. | 13th Mar 1931 | Box 102 \ 2 scan0017 | |
| And comparing the engine mounting and vibration insulation of models Phantom I and P.2. | 20th Mar 1931 | Box 102 \ 2 scan0018 | |
| Instruction to place an order with Messrs. Sanderson & Holmes for work on chassis No.18-G4. | 20th Mar 1931 | Box 102 \ 2 scan0019 | |
| Instructing work to be carried out on chassis No.16-G4. | 23th Mar 1931 | Box 102 \ 2 scan0020 | |
| Investigation into 'booming cars' and the author's lack of involvement. | 25th Mar 1931 | Box 102 \ 2 scan0021 | |
| Instruction to Messrs. Sanderson & Holmes to carry out work on a car as per an attached estimate. | 9th Apr 1931 | Box 102 \ 2 scan0022 | |
| Instruction to Messrs. Sanderson & Holmes to carry out work on chassis No. 18-G4. | 24th Apr 1931 | Box 102 \ 2 scan0023 | |
| Production of 20/25HP Pullman limousine bodies and the unstable position of the Coachwork department. | 24th Apr 1931 | Box 102 \ 2 scan0024 | |
| Letter discussing a departure after 15 years in coachwork and concerns for future chassis design. | 1st Jul 1931 | Box 102 \ 2 scan0025 | |
| Proposed changes to the modern appearance of cars, referencing the 20/25 model and J.3 chassis. | 1st Jul 1931 | Box 102 \ 2 scan0026 | |
| Modifications and approvals for an experimental car's scuttle and its relation to the 'T' series production. | 6th Jul 1931 | Box 102 \ 2 scan0027 | |
| Instruction for Messrs. Sanderson & Holmes to perform work on a car based on an attached estimate. | 6th Jul 1931 | Box 102 \ 2 scan0028 | |
| Proposing experimental work on reducing the windage of car bodies, detailing a visit to Vickers to discuss wind tunnel testing. | 4th Aug 1931 | Box 102 \ 2 scan0029 | |
| Alternative car body shapes for improved aerodynamics and testing procedures. | 4th Aug 1931 | Box 102 \ 2 scan0030 | |
| Relative importance of acceleration and weight versus aerodynamic experiments for achieving higher maximum speed. | 20th Aug 1931 | Box 102 \ 2 scan0031 | |
| Instruction to Messrs. Sanderson & Holmes to carry out work on chassis No.19-G4 from the Experimental Department. | 24th Aug 1931 | Box 102 \ 2 scan0032 | |
| Instruction to Messrs. Sanderson & Holmes to carry out work on Chassis No.19-G4 from the Experimental Department. | 24th Aug 1931 | Box 102 \ 2 scan0033 | |
| Instruction to Messrs. Sanderson & Holmes to carry out work on Chassis No. 17-G4 from the Experimental Department. | 24th Aug 1931 | Box 102 \ 2 scan0034 | |
| Instruction to Messrs. Sanderson & Holmes to carry out work on chassis 17-G4. | 24th Aug 1931 | Box 102 \ 2 scan0035 | |
| Instruction for Messrs. Sanderson & Holmes to carry out estimated work on chassis No.19-G4 from the Experimental Department. | 31th Aug 1931 | Box 102 \ 2 scan0036 | |
| The performance of a Mulliner's bodywork after a 15,000-mile road test in France. | 14th Oct 1931 | Box 102 \ 2 scan0037 | |
| Report from the Coachwork Sub-committee on the behaviour of a Mulliner body on experimental car chassis 19-G-1V. | 4th Nov 1931 | Box 102 \ 2 scan0038 | |
| Page two of a letter discussing coachbuilder practices, the use of steel for wings, and arranging a vehicle inspection. | 12th Nov 1931 | Box 102 \ 2 scan0039 | |
| Authorising work on Chassis No. 18-G4 by Messrs. Sanderson & Holmes. | 12th Nov 1931 | Box 102 \ 2 scan0040 | |
| Instruction for Messrs. Sanderson & Holmes to carry out work on chassis 18-G4. | 24th Nov 1931 | Box 102 \ 2 scan0041 | |
| Instruction to Messrs. Sanderson & Holmes to carry out work on Chassis 18-G4. | 12th Nov 1931 | Box 102 \ 2 scan0042 | |
| Instruction to Messrs Sanderson & Holmes to carry out work on a car as per the attached estimate for £- 7s. 6d. | 30th Nov 1931 | Box 102 \ 2 scan0043 | |
| The completion, collection, and photography of a car body. | 12th Mar 1931 | Box 102 \ 2 scan0044 | |
| Instruction to Messrs. Sanderson & Holmes to carry out work on car 19-G4 as per an attached estimate. | 5th Dec 1931 | Box 102 \ 2 scan0045 | |
| Position of the brake equaliser crossmember and its impact on passenger space for the 25HP 'T' Series. | 10th Dec 1931 | Box 102 \ 2 scan0046 | |
| Instruction for Messrs. Sanderson & Holmes to carry out work on a car as per an attached estimate. | 21th Dec 1931 | Box 102 \ 2 scan0047 | |
| Standardisation of chassis parts for a diamond engine mounting with new water connections. | 8th Oct 1931 | Box 102 \ 2 scan0048 | |
| Standardisation form detailing the cost and implementation of a lowered radiator and new bonnet. | 5th Jan 1932 | Box 102 \ 2 scan0049 | |
| Instruction to Messrs. Sanderson & Holmes to carry out work on a car as per an attached estimate. | 5th Jan 1932 | Box 102 \ 2 scan0050 | |
| Arguing against using Sanderson & Holmes for coachbuilding J.3 bodies, citing concerns over experience, wasted effort, and secrecy. | 12th Jan 1932 | Box 102 \ 2 scan0051 | |
| Components for the front of a car chassis, including the bonnet, radiator, and dashboard. | 16th Jan 1932 | Box 102 \ 2 scan0052 | |
| Agreeing to a suggested method for building bodies on experimental cars. | 18th Jan 1932 | Box 102 \ 2 scan0053 | |
| Construction of car bodies for 'J.3' and 'Peregrine 2' models, and related production strategy. | 19th Jan 1932 | Box 102 \ 2 scan0054 | |
| Proposal regarding the sourcing of car bodies, comparing in-house built experimental models against production body firm suppliers. | 20th Jan 1932 | Box 102 \ 2 scan0055 | |
| Instruction to Messrs. Sanderson & Holmes to carry out work on a car as per an attached estimate. | 20th Jan 1932 | Box 102 \ 2 scan0056 | |
| Secret memo discussing designs for bodies, with mentions of 'Peregrine' and 'Bonsport'. | 22th Jan 1932 | Box 102 \ 2 scan0057 | |
| Instruction to Messrs Sanderson & Holmes to carry out work on a car following an accident, as per an attached estimate. | 22th Jan 1932 | Box 102 \ 2 scan0058 | |
| Authorising work to be carried out on car 18-G4 by Messrs. Sanderson & Holmes. | 4th Feb 1932 | Box 102 \ 2 scan0059 | |
| The production schedule for J.111 bodies, including requirements for wheel arch drawings. | 12th Feb 1932 | Box 102 \ 2 scan0060 | |
| Query regarding the type of steering required for the first J.111 Bodies chassis. | 15th Feb 1932 | Box 102 \ 2 scan0061 | |
| Production of experimental bodies and the dispatch of associated N.schemes for checking. | 2nd Feb 1932 | Box 102 \ 2 scan0062 | |
| Rear wheel arch clearances for the 25HP and J.3 models. | 20th Feb 1932 | Box 102 \ 2 scan0063 | |
| Secret memo regarding the design and supply of J. 3. rear wheel arch castings for experimental bodies. | 20th Feb 1932 | Box 102 \ 2 scan0064 | |
| Two different treatments for the scuttle and dashboard layout for J.3 bodies, recommending one over the other. | 20th Feb 1932 | Box 102 \ 2 scan0065 | |
| Ordering and delivery of two J-111 bodies from coachbuilder Park Ward & Co. | 23th Feb 1932 | Box 102 \ 2 scan0066 | |
| Letter to Park Ward & Co. Ltd. requesting a quotation for a 25HP Enclosed Drive Limousine body on a wide frame. | 25th Feb 1932 | Box 102 \ 2 scan0067 | |
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