| Description | Date | Identifier | |
| Minutes of a conference held at Derby to discuss Bentley and other matters. | 4th Sep 1933 | Box 30 \ 2 Scan302 | |
| Meeting minutes discussing modifications for 15 cars and agents' criticisms on features including brakes, exhaust, and instrument panel. | 4th Sep 1933 | Box 30 \ 2 Scan303 | |
| Meeting minutes discussing bonnet stops, wiring, and recommended oils for a chassis. | 4th Sep 1933 | Box 30 \ 2 Scan304 | |
| Meeting minutes discussing magneto ignition, slipping clutches, and exhaust popping. | 4th Sep 1935 | Box 30 \ 2 Scan305 | |
| Meeting minute regarding gas flow efficiency, discussing applying improvements from an 8-litre Bentley to a Phantom model. | 4th Sep 1933 | Box 30 \ 2 Scan306 | |
| Minutes of a conference held to discuss the worst features and complaints regarding the 25 HP model. | 22th Sep 1933 | Box 30 \ 2 Scan307 | |
| Minute discussing customer complaints about brake seizures and proposed modifications for brake components on 25 HP and Phantom II models. | 22th Sep 1933 | Box 30 \ 2 Scan308 | |
| Meeting minutes discussing brake pedal travel, brake shoe testing, and servo troubles leading to brake inefficiency. | 22th Sep 1933 | Box 30 \ 2 Scan309 | |
| Technical minute discussing servo lubrication issues and engine gear rattles on customer cars. | 22th Sep 1933 | Box 30 \ 2 Scan310 | |
| Meeting minutes discussing timing gear rattle on the Phantom and issues with slipping clutches. | 22th Sep 1933 | Box 30 \ 2 Scan311 | |
| Meeting minute discussing issues with parallel splines, sticking air valves, and popping exhausts. | 22th Sep 1933 | Box 30 \ 2 Scan312 | |
| Meeting minutes discussing customer complaints, a new trouble with the '25' model, and spark plug oiling caused by wireless set suppressors. | 22th Sep 1933 | Box 30 \ 2 Scan313 | |
| The causes and solutions for brake seizures on the 20/25 HP model. | 13th Apr 1933 | Box 30 \ 2 Scan314 | |
| The weakness and rattle in 20/25 HP engine gears and outlining potential solutions. | 19th Sep 1933 | Box 30 \ 2 Scan315 | |
| Meeting notes and recommendations regarding the 3.5 Litre Bentley Chassis 16-200. | 28th Sep 1933 | Box 30 \ 2 Scan316 | |
| List of resolutions and modifications for various engine and chassis components. | 28th Sep 1933 | Box 30 \ 2 Scan317 | |
| List of recommendations regarding modifications and decisions for various vehicle components, including the exhaust, radiator, and bonnet. | 28th Sep 1933 | Box 30 \ 2 Scan318 | |
| Series of recommendations for changes and updates to various vehicle components. | 28th Sep 1933 | Box 30 \ 2 Scan319 | |
| Recommendations for modifications to the clutch pedal shaft, propeller shaft universal joints, and water pipe. | 28th Sep 1933 | Box 30 \ 2 Scan320 | |
| Postponing a conference on general chassis matters and requesting agenda points from attendees. | 11th Oct 1933 | Box 30 \ 2 Scan321 | |
| From 'Wor.' calling for a meeting to discuss the serious position of the 3½ Litre Bentley chassis production. | 21th Oct 1933 | Box 30 \ 2 Scan322 | |
| Notes of a conference at Derby regarding the Bentley chassis. | 25th Oct 1933 | Box 30 \ 2 Scan323 | |
| Meeting minutes discussing petrol pump moulds, revolution indicator warnings, aluminium connecting rods, and 20/25 HP requirements. | 24th Nov 1933 | Box 30 \ 2 Scan324 | |
| Short internal memo confirming the date and attendees for a Chassis conference. | 24th Nov 1933 | Box 30 \ 2 Scan325 | |
| Minutes of a chassis conference discussing engine gear rattles, slipping clutches, and exhaust spitting. | 30th Nov 1933 | Box 30 \ 2 Scan326 | |
| Meeting minutes discussing agenda items on air valves, clutch control, and carburetters. | 30th Nov 1933 | Box 30 \ 2 Scan327 | |
| Meeting minutes discussing material supplies, braking alterations, dampers, and sales strategy for end-of-series chassis. | 30th Nov 1933 | Box 30 \ 2 Scan328 | |
| Meeting minutes discussing chassis delivery dates, controllable dampers, and troubleshooting a camshaft squeak issue. | 30th Nov 1933 | Box 30 \ 2 Scan329 | |
| Meeting minutes discussing progress on the Spectre and Vulture projects, and experimental work on a car engine supercharger. | 30th Nov 1933 | Box 30 \ 2 Scan330 | |
| Page of meeting minutes discussing car components like cylinder heads, steering, exhaust systems, and threaded shackles. | 30th Nov 1933 | Box 30 \ 2 Scan331 | |
| Meeting minutes discussing engine mounting, standardisation sheets, independent suspension, and Girling brakes. | 30th Nov 1933 | Box 30 \ 2 Scan332 | |
| Meeting minutes discussing gearbox design, model appearance, future chassis, and engine silencing. | 30th Nov 1933 | Box 30 \ 2 Scan333 | |
| Meeting minutes discussing synchromesh second speed, magnetos on future models, and engine shutter operation. | 30th Nov 1933 | Box 30 \ 2 Scan334 | |
| Meeting minutes discussing the operation of radiator shutters and the provision of hub withdrawal tools. | 30th Nov 1938 | Box 30 \ 2 Scan335 | |
| Minutes of a meeting held at Derby discussing various aspects of the Bentley chassis. | 30th Nov 1933 | Box 30 \ 2 Scan336 | |
| Meeting minutes discussing coachbuilder licensing, gearbox and engine development for Bentley cars, and driver feedback. | 30th Nov 1933 | Box 30 \ 2 Scan337 | |
| Meeting minutes discussing shock dampers, piston ageing, vehicle testing, and coachbuilding. | 30th Nov 1933 | Box 30 \ 2 Scan338 | |
| Agreement to order a further 200 sets of material for Bentley Production. | 30th Nov 1933 | Box 30 \ 2 Scan339 | |
| Minutes of a conference held at Derby concerning chassis modifications and production. | 7th Dec 1933 | Box 30 \ 2 Scan340 | |
| Modifications and testing for the Phantom II and 20/25 chassis ahead of the 1934 Olympia Show. | 9th Dec 1933 | Box 30 \ 2 Scan341 | |
| List of proposed modifications and their development status for various chassis models. | 9th Dec 1933 | Box 30 \ 2 Scan342 | |
| List of required modifications and their development status for the Phantom II and 20/25 models. | 9th Dec 1933 | Box 30 \ 2 Scan343 | |
| List of modifications and design statuses for various components, comparing the Phantom II and 20/25 models. | 9th Dec 1933 | Box 30 \ 2 Scan344 | |
| Modification for an improved rubber mounting and handwritten notes for tests. | 9th Dec 1933 | Box 30 \ 2 Scan345 | |
| Proposed modifications to the Phantom II and 20/25 chassis, focusing on the front cross member and apron. | 12th Dec 1933 | Box 30 \ 2 Scan346 | |
| New scheme for design and experimental work on the Phantom II and 20/25 10,000 miles chassis. | 12th Dec 1933 | Box 30 \ 2 Scan347 | |
| Minutes of a conference held at Derby discussing Bentley adjustable shock dampers and Phantom II second speed synchromesh. | 20th Dec 1933 | Box 30 \ 2 Scan348 | |
| Minutes from an Areo Conference discussing chassis components, including auto damp control, a Bentley 10,000 mile test, and road springs. | 3rd Jan 1934 | Box 30 \ 2 Scan349 | |
| Minutes of a conference at Derby discussing improvements to be included in the next material sanctions. | 18th Apr 1934 | Box 30 \ 2 Scan350 | |
| Meeting minutes discussing potential improvements and issues with various car components. | 18th Apr 1934 | Box 30 \ 2 Scan351 | |
| Meeting minutes discussing modifications to front brakes, steering, petrol tank, and exhaust silencers. | 18th Apr 1934 | Box 30 \ 2 Scan352 | |
| Meeting minutes discussing brake, gearbox, and engine improvements. | 18th Apr 1934 | Box 30 \ 2 Scan353 | |
| List of proposed engine and chassis improvements with decisions on their implementation. | 18th Apr 1934 | Box 30 \ 2 Scan354 | |
| Meeting minute listing proposed chassis and engine improvements and their approval status. | 18th Apr 1934 | Box 30 \ 2 Scan355 | |
| Meeting minutes discussing Texolite timing gears and the potential adoption of P.100 Lucas headlamps for the 3½-Litre Bentley. | 18th Apr 1934 | Box 30 \ 2 Scan356 | |
| Stating the percentage of chassis fitted with luggage grids to anticipate probable requirements. | 30th Apr 1934 | Box 30 \ 2 Scan357 | |
| Readiness for a conference about the 3½-Litre Bentley. | 27th Apr 1934 | Box 30 \ 2 Scan358 | |
| Minutes of a conference at Derby to discuss improvements for the Bentley car, dated May 1st 1934. | 3rd May 1934 | Box 30 \ 2 Scan359 | |
| Headlamp control switches for 'C' series cars and urgent Bentley feature complaints regarding valve springs and clutch judder. | 3rd May 1934 | Box 30 \ 2 Scan360 | |
| Remedies for valve spring failures and clutch juddering issues on various car models. | 3rd May 1934 | Box 30 \ 2 Scan361 | |
| Meeting minutes discussing the Bentley fan belt, specifications for a 10,000-mile test car, and the 20/25 HP model. | 3rd May 1934 | Box 30 \ 2 Scan362 | |
| Meeting minutes discussing developments for the 20/25 HP, Phantom II, and Spectre models, including gearboxes and chassis. | 3rd May 1934 | Box 30 \ 2 Scan363 | |
| Minutes of a conference discussing improvements to be included in the next material sanctions for the Bentley Car. | 3rd May 1934 | Box 30 \ 2 Scan364 | |
| Meeting minutes discussing headlamp controls for the 'G' series and urgent Bentley features regarding valve springs and clutch judder. | 3rd May 1934 | Box 30 \ 2 Scan365 | |
| Valve spring, propeller shaft, and clutch juddering issues, including proposed solutions and tests for Bentley cars. | 3rd May 1934 | Box 30 \ 2 Scan366 | |
| Meeting minutes discussing Bentley fan belt removal, 10,000-mile test car specifications, and 20/25 HP model development. | 3rd May 1934 | Box 30 \ 2 Scan367 | |
| Minutes of a meeting discussing carburettors, engine mounts, gearboxes for 20/25 HP and Phantom II models, and the Spectre engine project. | 3rd May 1934 | Box 30 \ 2 Scan368 | |
| Meeting notes from Derby regarding progress on the Bentley C and D Series, valve standardisation, and a Graham Paige supercharger. | 24th May 1934 | Box 30 \ 2 Scan369 | |
| Meeting notes discussing Bentley chassis development, including supercharging, pistons, springs, and axles. | 25th May 1934 | Box 30 \ 2 Scan370 | |
| Notes of a meeting discussing Bentley chassis, magnesium components, engine mountings, and test car progress. | 25th May 1934 | Box 30 \ 2 Scan371 | |
| Notes of a meeting discussing development and parts for various chassis and engine models. | 25th May 1934 | Box 30 \ 2 Scan372 | |
| Meeting notes discussing chassis and engine development, including the Spectre project. | 25th May 1934 | Box 30 \ 2 Scan373 | |
| The status of work in hand for the 'Kestrel' engine in the drawing office. | 10th Nov 1934 | Box 30 \ 3 Scan001 | |
| Status report on the completion and issuance of detail drawings for Griffon and P.V.XII aero engine components. | 10th Nov 1934 | Box 30 \ 3 Scan002 | |
| Progress report on various aero engine and chassis designs and modifications. | 10th Nov 1934 | Box 30 \ 3 Scan003 | |
| Progress report on design schemes and drawing completions for 20/25 HP, 40/50 HP, and 3 1/2 Litre Bentley chassis. | 10th Nov 1934 | Box 30 \ 3 Scan004 | |
| List of engineering schemes and modifications for the 3½ Litre Bentley chassis and the Spectre 12-cylinder engine. | 10th Nov 1934 | Box 30 \ 3 Scan005 | |
| List of modifications and parts for the Spectre 12-Cylinder Engine. | 10th Nov 1934 | Box 30 \ 3 Scan006 | |
| Status report on engineering drawings for the Spectre 12-Cylinder Engine and Wraith Chassis. | 10th Nov 1934 | Box 30 \ 3 Scan007 | |
| List of technical schedules and modifications for all cars, dated October and November 1934. | 10th Nov 1934 | Box 30 \ 3 Scan008 | |
| Cover memo for a fortnightly design work progress report. | 17th Nov 1934 | Box 30 \ 3 Scan009 | |
| Design position report detailing the status of modifications for the Bentley and Spectre chassis. | 17th Nov 1934 | Box 30 \ 3 Scan010 | |
| Design progress report listing modifications and their statuses for the Spectre chassis. | 17th Nov 1934 | Box 30 \ 3 Scan011 | |
| Progress report on design modifications for the Spectre chassis. | 17th Nov 1934 | Box 30 \ 3 Scan012 | |
| Design position status report for various items of the Wraith chassis. | 17th Nov 1934 | Box 30 \ 3 Scan013 | |
| Design position report listing the status of various components for the Wraith Chassis. | 17th Nov 1934 | Box 30 \ 3 Scan014 | |
| Status report on single cylinder and general research projects. | 17th Nov 1934 | Box 30 \ 3 Scan015 | |
| Design position report listing the status of research and development items for various aero engines. | 17th Nov 1934 | Box 30 \ 3 Scan016 | |
| Design position report detailing the status of components for the Vulture, P.V. XII, and Goshawk engines. | 3rd Dec 1934 | Box 30 \ 3 Scan017 | |
| Cover note for a fortnightly report on the progress of design work. | 3rd Dec 1934 | Box 30 \ 3 Scan018 | |
| Status report on design work and modifications for the Bentley and Spectre chassis. | 3rd Dec 1934 | Box 30 \ 3 Scan019 | |
| Design status report for the SPECTRE model, detailing the progress of various components. | 3rd Dec 1934 | Box 30 \ 3 Scan020 | |
| Design position report for the Spectre Chassis, detailing the status of ongoing work and future design tasks. | 3rd Dec 1934 | Box 30 \ 3 Scan021 | |
| Design position report detailing the status of various components for the Wraith Chassis. | 3rd Dec 1934 | Box 30 \ 3 Scan022 | |
| Design progress report on the Wraith chassis, detailing the status of various components. | 3rd Dec 1934 | Box 30 \ 3 Scan023 | |
| Status report on single cylinder and general engine research projects. | 3rd Dec 1934 | Box 30 \ 3 Scan024 | |
| Progress report on single-cylinder and Kestrel engine research and development items. | 3rd Dec 1934 | Box 30 \ 3 Scan025 | |
| Design progress report on Kestrel and Vulture engine components. | 3rd Dec 1934 | Box 30 \ 3 Scan026 | |
| Design position status report for items on the P.V.XII 'B' and standard engines. | 17th Dec 1934 | Box 30 \ 3 Scan027 | |
| Cover note for a fortnightly report on the progress of design work. | 17th Dec 1934 | Box 30 \ 3 Scan028 | |
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