| Description | Date | Identifier | |
| Secret internal memorandum regarding the production schedule, material ordering, and tooling for the Spectre or Phantom III. | 11th Sep 1935 | Box 142 \ 2 scan0336 | |
| Material for the 'G' series Bentley, standardising to a 10' Borg & Beck clutch for the large bore engine. | 28th Oct 1935 | Box 142 \ 2 scan0337 | |
| Programme for 200 sets of material for the 40/50 HP 'A' Series Chassis - Phantom III. | 15th Nov 1935 | Box 142 \ 2 scan0338 | |
| Production and material schedule for the Phantom III A-Series chassis. | 14th Oct 1935 | Box 142 \ 2 scan0339 | |
| Programme covering the release of material for 200 sets of Bentley H. Series chassis (1401-1600). | 30th Dec 1935 | Box 142 \ 2 scan0340 | |
| Production schedule and material ordering for the Bentley Chassis H-Series. | 20th Dec 1935 | Box 142 \ 2 scan0341 | |
| Material release programme for 200 sets for the 20/25 HP, M.2 Series chassis. | 31th Dec 1935 | Box 142 \ 2 scan0342 | |
| Production schedule and timeline for the 20/25 HP. Chassis - M.2 Series. | 20th Dec 1935 | Box 142 \ 2 scan0343 | |
| The Bentley H.Series chassis programme, requesting expedition of unreleased details from the Drawing Office. | 5th Feb 1936 | Box 142 \ 2 scan0344 | |
| Parts list for a Bentley H.Series chassis, categorized by section number. | 5th Feb 1936 | Box 142 \ 2 scan0345 | |
| Requesting the expedition of unreleased details for Phantom III chassis sets. | 5th Feb 1936 | Box 142 \ 2 scan0346 | |
| Parts list for the Phantom III Chassis, detailing quantities required for 12 and 50 sets. | 1st Feb 1936 | Box 142 \ 2 scan0347 | |
| From 'Wor' to 'Roy' about chassis production delays affecting sales promises. | 25th Feb 1936 | Box 142 \ 2 scan0348 | |
| Status of material orders and drawings for the Phantom III and 25/30 HP chassis. | 26th Feb 1936 | Box 142 \ 2 scan0349 | |
| Stock levels and giving production orders for 25/30 HP chassis material. | 23th Mar 1936 | Box 142 \ 2 scan0350 | |
| Secret internal memo regarding material stock and production orders for the 4¼-Litre Bentley. | 23th Mar 1936 | Box 142 \ 2 scan0351 | |
| Release and hold-up of materials for Bentley and 20/25 series cars. | 30th Mar 1936 | Box 142 \ 2 scan0352 | |
| Request to immediately order a further 200 sets of Phantom III material, including bar, billet, and forgings for crankshafts. | 1st Apr 1936 | Box 142 \ 2 scan0353 | |
| Material programme for Bentley J.Series Chassis 1601-1800. | 17th Apr 1936 | Box 142 \ 2 scan0354 | |
| Production schedule and material requirements for the Bentley J.Series Chassis. | 7th Apr 1936 | Box 142 \ 2 scan0355 | |
| Programme covering 200 sets of material for the 20/25 HP. Chassis - N/2 Series, chassis numbers 7107-7306. | 17th Apr 1936 | Box 142 \ 2 scan0356 | |
| Production schedule for the 25/30 HP. Chassis - N.2 Series. | 7th Apr 1936 | Box 142 \ 2 scan0357 | |
| The order of materials for 'D' and 'C' series chassis. | 19th May 1936 | Box 142 \ 2 scan0358 | |
| From ROY requesting confirmation on a programme for material for 200 Phantom III Chassis, numbers 213-412. | 13th May 1936 | Box 142 \ 2 scan0359 | |
| Production schedule for the Phantom III - 'B' Series, detailing chassis numbers, output targets, and milestone dates. | 13th May 1936 | Box 142 \ 2 scan0360 | |
| Material hold-ups and production continuity for the Bentley Chassis 'J' Series. | 20th May 1936 | Box 142 \ 2 scan0361 | |
| List of parts held up by the Drawing Office (D.O.) for the Bentley Chassis 'J' Series. | 2nd May 1936 | Box 142 \ 2 scan0362 | |
| Programme for the Phantom III B-Series Chassis, numbers 213-412. | 22th May 1936 | Box 142 \ 2 scan0363 | |
| Production schedule and material order dates for the Phantom III 'B' Series chassis. | 13th May 1936 | Box 142 \ 2 scan0364 | |
| List of modifications affecting an order of 200 sets of material for the Phantom 111 'B' Series chassis. | 29th May 1936 | Box 142 \ 2 scan0365 | |
| List of proposed vehicle modifications with handwritten notes discussing their implementation on chassis 32Ex and 37Ex. | 29th May 1936 | Box 142 \ 2 scan0366 | |
| Provisional standardisation for the 25/30 HP Chassis 'N2' Series. | 8th Jun 1936 | Box 142 \ 2 scan0367 | |
| Material stock and ordering instructions for 4 1/4-litre Bentley parts for various series. | 30th Jul 1936 | Box 142 \ 2 scan0368 | |
| Programme for 200 sets of material for the 25/30 HP Chassis '02' Series. | 7th Aug 1936 | Box 142 \ 2 scan0369 | |
| Production schedule and material ordering timeline for the 25/30 HP Chassis '02' Series. | 7th Aug 1936 | Box 142 \ 2 scan0370 | |
| Cover letter for a programme covering 200 sets of material for Bentley 'K' Series chassis 1801-2000. | 7th Aug 1936 | Box 142 \ 2 scan0371 | |
| Production schedule and timeline for the Bentley 'K' series chassis. | 7th Aug 1936 | Box 142 \ 2 scan0372 | |
| Stock levels and ordering of 25/30 HP chassis material. | 28th Jul 1936 | Box 142 \ 2 scan0373 | |
| Ordering bar and billet material for 'C' and 'D' Series. | 4th Sep 1936 | Box 142 \ 2 scan0374 | |
| The programme for material release for the Phantom III C.Series, chassis 413-617. | 23th Sep 1936 | Box 142 \ 2 scan0375 | |
| Production schedule for the Phantom III C.Series chassis detailing quantities, timelines, and material requirements. | 22th Sep 1936 | Box 142 \ 2 scan0376 | |
| List of modifications to be incorporated on the Bentley Chassis series material. | 23th Sep 1936 | Box 142 \ 2 scan0377 | |
| Recommendation to not implement close inlet valve clearances on all production cars, but to test on a small batch first. | 28th Sep 1936 | Box 142 \ 2 scan0378 | |
| Authorising the order of bar and billet material for the 25/30 HP chassis. | 7th Oct 1936 | Box 142 \ 2 scan0379 | |
| Programme for 200 sets of material for the 25/30 HP Chassis, P.2 Series. | 27th Nov 1936 | Box 142 \ 2 scan0380 | |
| Production schedule for the 25/30 HP Chassis - P.2 Series, detailing output and timelines for materials and parts. | 24th Nov 1936 | Box 142 \ 2 scan0381 | |
| Ordering of material for 'L' and 'M' series Bentley chassis. | 3rd Dec 1936 | Box 142 \ 2 scan0382 | |
| Sourcing of heat-treated steel bars from Messrs. Newall of Glasgow and its implications on manufacturing. | 15th Dec 1936 | Box 142 \ 2 scan0383 | |
| Inquiry into the cost and usage of the product Millenite in chassis production. | 18th Dec 1936 | Box 142 \ 2 scan0384 | |
| Orders for 25/30 HP chassis materials, including bar and billet sets for various car series. | 21th Dec 1936 | Box 142 \ 2 scan0385 | |
| Enquiries into the cost and selection of different materials for brake drums. | 21th Dec 1936 | Box 142 \ 2 scan0386 | |
| Plans to test a low-carbon case-hardening steel as a cost-saving replacement for 5% nickel steel in various engine parts. | 22th Dec 1936 | Box 142 \ 2 scan0387 | |
| Parts list for Bentley, 25/30, and Phantom III models with associated notes. | 24th Dec 1936 | Box 142 \ 2 scan0388 | |
| Requesting an order for bar and billet material for 'L' and 'M' series Bentley chassis. | 24th Dec 1936 | Box 142 \ 2 scan0389 | |
| Letter to the Aluminium Protection Co. Ltd. requesting a sample of their advertised Stainless Aluminium. | 12th Jan 1937 | Box 142 \ 2 scan0390 | |
| Instruction deadlines for held-up details and future modifications for the 25/30-HP 'R2' Series chassis. | 12th Jan 1937 | Box 142 \ 2 scan0391 | |
| Held-up details and future improvements for the Bentley 'L' Series chassis. | 12th Jan 1937 | Box 142 \ 2 scan0392 | |
| Programme for 200 sets of material released for the 25/30 HP Chassis R.2 series. | 18th Jan 1937 | Box 142 \ 2 scan0393 | |
| Production schedule and material ordering timeline for the 25/30 HP 'R2' Series chassis. | 18th Jan 1937 | Box 142 \ 2 scan0394 | |
| The programme for 200 sets of material for Bentley Chassis 'L' Series (2001-2200). | 18th Jan 1937 | Box 142 \ 2 scan0395 | |
| Production schedule for the Bentley 'L' Series chassis, detailing output, order completion, and material timelines. | 24th Dec 1936 | Box 142 \ 2 scan0396 | |
| Scheduling and ordering of chassis material for the Phantom III model. | 3rd Feb 1937 | Box 142 \ 2 scan0397 | |
| Material and design modifications for the Phantom III (35-EX) model. | 10th Feb 1937 | Box 142 \ 2 scan0398 | |
| List of vehicle improvements including exhaust, suspension, clutch, brakes, and a note on tyres. | 10th Feb 1937 | Box 142 \ 2 scan0399 | |
| Chassis programme memo for the Phantom III D.Series, covering chassis numbers 601-800. | 15th Feb 1937 | Box 142 \ 2 scan0400 | |
| Production schedule and material order dates for the Phantom III Chassis - D.Series. | 15th Feb 1937 | Box 142 \ 2 scan0401 | |
| Use of Carobronze tubing for bushes as a replacement for phosphor bronze. | 14th Jun 1937 | Box 142 \ 2 scan0402 | |
| The release of Wraith forgings and pressings, pending a 15,000-mile car test. | 25th Jun 1937 | Box 142 \ 2 scan0403 | |
| Authorising the order for the balance of material for 100 sets of 'S' series 25/30 HP. | 28th Jun 1937 | Box 142 \ 2 scan0404 | |
| Requesting an order for the balance of material for 200 sets of 'M' series Bentley Material. | 28th Jun 1937 | Box 142 \ 2 scan0405 | |
| Extended delivery times for Wraith forgings and pressings, urging the prompt ordering of dies and tools. | 24th Jun 1937 | Box 142 \ 2 scan0406 | |
| Progress report on the development and testing of the Wraith model, detailing ongoing technical issues and future plans. | 9th Aug 1937 | Box 142 \ 2 scan0407 | |
| Delays and design changes to an engine, reverting to an integral construction which requires a new crankcase casting. | 9th Aug 1937 | Box 142 \ 2 scan0408 | |
| Urgent memo instructing the Order Office to proceed with ordering material for the Wraith model. | 29th Sep 1937 | Box 142 \ 2 scan0409 | |
| Modifications to the Bentley 'M' Series material. | 29th Sep 1937 | Box 142 \ 2 scan0410 | |
| On matters for consideration when releasing material for the first 100 Wraith chassis. | 11th Oct 1937 | Box 142 \ 2 scan0411 | |
| Status report on the readiness of various vehicle components for production, noting issues and release quantities. | 11th Oct 1937 | Box 142 \ 2 scan0412 | |
| Release and production status of various vehicle components. | 11th Oct 1937 | Box 142 \ 2 scan0413 | |
| Status report on various vehicle components including exhaust, engine, gearbox, and electrical systems. | 11th Oct 1937 | Box 142 \ 2 scan0414 | |
| Request to order 6 sets of materials for a 25/30 HP. Chassis, listing various parts and their corresponding drawing numbers. | 13th Oct 1937 | Box 142 \ 2 scan0415 | |
| Providing tracings and requesting an order for parts for the first six sets of a 25/30-HP chassis. | 13th Oct 1937 | Box 142 \ 2 scan0416 | |
| Requesting an order of materials for the first six 25/30-HP chassis, accompanied by tracings. | 23th Oct 1937 | Box 142 \ 2 scan0417 | |
| Instruction for the revision of operations for Wraith III Chassis wire fittings, Section 521C. | 26th Oct 1937 | Box 142 \ 2 scan0418 | |
| Order for 6 sets of materials for the Wraith Chassis. | 28th Oct 1937 | Box 142 \ 2 scan0419 | |
| Material and tracings for the first six sets of a 25/30-HP chassis. | 30th Oct 1937 | Box 142 \ 2 scan0420 | |
| Material tracings for the first six sets of the 25/30-HP Chassis. | 1st Nov 1937 | Box 142 \ 2 scan0421 | |
| Material for the first six sets of undersheets for the 25/30-HP chassis. | 4th Nov 1937 | Box 142 \ 2 scan0422 | |
| Requesting the order of materials for the first six sets of the 25/30-HP chassis, focusing on the rear axle. | 4th Nov 1937 | Box 142 \ 2 scan0423 | |
| Order for 6 sets of material for a Wraith Chassis horn switch. | 6th Nov 1937 | Box 142 \ 2 scan0424 | |
| Material and tracings for the first six sets of the 25/30-HP chassis brakes. | 9th Nov 1937 | Box 142 \ 2 scan0425 | |
| Status report on parts releases for Phantom III, Bentley, and Wraith chassis that are not yet complete. | 24th Feb 1938 | Box 142 \ 2 scan0426 | |
| Progress report on Wraith chassis parts releases, planning, ordering, and test dates for various models. | 24th Feb 1938 | Box 142 \ 2 scan0427 | |
| Article on metallic coatings for piston rings, with excerpts from various automotive trade journals. | 15th Apr 1939 | Box 142 \ 2 scan0428 | |
| US automotive and aeronautic industry statistics for 1938-1939, including car dealer representation by state and export data. | 15th Apr 1939 | Box 142 \ 2 scan0429 | |
| Article discussing the properties, processes, and applications of various chemical coatings for improving wear-resistance and anti-corrosion on automotive parts. | 15th Apr 1939 | Box 142 \ 2 scan0430 | |
| Review of metallic and chemical coatings for engine parts and water repellent treatments for seat covers. | 15th Apr 1939 | Box 142 \ 2 scan0431 | |
| Page from a journal discussing metallic and chemical coatings for engine parts, and new automotive developments. | 15th Apr 1939 | Box 142 \ 2 scan0432 | |
| Article discussing the development and metallurgical process of malleableizing castings using continuous conveyor type furnaces. | 15th Apr 1939 | Box 142 \ 2 scan0433 | |
| Requesting tests on Bakelite material to investigate swelling when used in an oil pump casing. | 20th Apr 1939 | Box 142 \ 2 scan0434 | |
| Requesting to hold up work on specific pressings for the Bentley 5 due to other design modifications. | 15th May 1939 | Box 142 \ 2 scan0435 | |
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