| Description | Date | Identifier | |
| List of part modifications, tests, and their current status. | 16th Jun 1937 | Box 154a \ 3 scan0281 | |
| List of experimental and standardized parts with their evaluation and status. | 16th Aug 1937 | Box 154a \ 3 scan0282 | |
| Progress report on the testing and evaluation of various vehicle components. | 16th Jun 1937 | Box 154a \ 3 scan0283 | |
| Test report on various automotive components and modifications. | 16th Jun 1937 | Box 154a \ 3 scan0284 | |
| Attaching a list of results from the last three tests conducted in France on models 35-EX, 3-B.IV & 6-B.IV. | 11th Jun 1937 | Box 154a \ 3 scan0285 | |
| List of part standardisations and other findings resulting from a run in France. | 11th Jun 1937 | Box 154a \ 3 scan0286 | |
| Summary of outcomes from a 15,000-mile Bentley test in France, listing parts for standardisation. | 12th Jun 1937 | Box 154a \ 3 scan0287 | |
| List of parts suitable for standardisation, including their description and status. | 12th Jun 1937 | Box 154a \ 3 scan0288 | |
| List of tested but non-standardised parts with notes on their performance and potential for future standardisation. | 12th Jun 1937 | Box 154a \ 3 scan0289 | |
| List of non-standardised parts and modifications with associated notes. | 12th Jun 1937 | Box 154a \ 3 scan0290 | |
| Failure of specific components such as valve springs, oil seals, and ignition coils. | 12th Jun 1937 | Box 154a \ 3 scan0291 | |
| Bentley parts tested over 15,000 miles in France for suitability for standardisation. | 12th Jun 1937 | Box 154a \ 3 scan0292 | |
| Summary table of vehicle component updates, issues, and production statuses. | 12th Jun 1937 | Box 154a \ 3 scan0293 | |
| Summary of test results for non-standardised parts for future reference. | 12th Jun 1937 | Box 154a \ 3 scan0294 | |
| Results of tests on various automotive components, including brakes, exhaust systems, and spark plugs. | 12th Jun 1937 | Box 154a \ 3 scan0295 | |
| Failure of various special features and components. | 12th Jun 1937 | Box 154a \ 3 scan0296 | |
| List of standardisation sheets completed for the Bentley Chassis during June 1937. | 5th Jul 1937 | Box 154a \ 3 scan0297 | |
| List of standardisation sheets detailing component modifications and their circulation status. | 5th Jul 1937 | Box 154a \ 3 scan0298 | |
| List of parts not yet fitted to production chassis for the 25/30 HP & Phantom III models. | 5th Jul 1937 | Box 154a \ 3 scan0299 | |
| Log of modifications and updates for the 25/30 HP and Phantom III chassis models. | 5th Jul 1937 | Box 154a \ 3 scan0300 | |
| List of modifications and tests for the Phantom III chassis. | 5th Jul 1937 | Box 154a \ 3 scan0301 | |
| List of parts not yet fitted to production chassis for the 25/30 HP and Phantom III models. | 6th Aug 1937 | Box 154a \ 3 scan0302 | |
| Log of engineering changes and parts specifications for the 25/30 HP and Phantom III chassis models. | 6th Aug 1937 | Box 154a \ 3 scan0303 | |
| Continued list of modifications for the Phantom III Chassis, detailing part updates and testing information. | 6th Aug 1937 | Box 154a \ 3 scan0304 | |
| List of standardisation sheets for Bentley chassis, showing completed updates from July 1937 and others in circulation. | 6th Aug 1937 | Box 154a \ 3 scan0305 | |
| List of component specifications, material changes, and improvements. | 6th Aug 1937 | Box 154a \ 3 scan0306 | |
| Requesting an investigation to introduce a fine pitch groove on the synchro mesh cones of the Phantom lll chassis. | 13th Aug 1937 | Box 154a \ 3 scan0307 | |
| Standardisation Sheet for screw threading the Synchro Mesh cones, awaiting a signature. | 16th Aug 1937 | Box 154a \ 3 scan0308 | |
| List of Bentley standardisation sheets completed during August 1937. | 4th Sep 1937 | Box 154a \ 3 scan0309 | |
| List of circulating engineering modifications and component updates. | 4th Sep 1937 | Box 154a \ 3 scan0310 | |
| List of parts not yet fitted to the 25/30 HP & Phantom III production chassis. | 6th Sep 1937 | Box 154a \ 3 scan0311 | |
| Continuation log sheet detailing modifications and tests for the Phantom III Chassis. | 1st Sep 1937 | Box 154a \ 3 scan0312 | |
| Outlining objections to the current form and procedure for issuing standardisation sheets. | 15th Sep 1937 | Box 154a \ 3 scan0313 | |
| Page 2 of a proposal outlining a revised procedure for the standardisation of parts. | 15th Sep 1937 | Box 154a \ 3 scan0314 | |
| Blank form for the standardisation of parts for the Phantom III model. | 8th Oct 1937 | Box 154a \ 3 scan0315 | |
| Standardisation sheet providing status updates on various proposed engineering modifications for car parts. | 8th Oct 1937 | Box 154a \ 3 scan0316 | |
| Status report on engineering modifications and experiments for Phantom III and Bentley models. | 8th Oct 1937 | Box 154a \ 3 scan0317 | |
| Progress report on engineering changes and standardisation issues for car components. | 8th Oct 1937 | Box 154a \ 3 scan0318 | |
| Progress report detailing modifications and decisions for various automotive components. | 8th Oct 1937 | Box 154a \ 3 scan0319 | |
| Status update list of various engineering modifications and issues. | 8th Oct 1937 | Box 154a \ 3 scan0320 | |
| Summary of standardisation sheets covering various vehicle components and modifications. | 8th Oct 1937 | Box 154a \ 3 scan0321 | |
| Log of decisions and status updates on various vehicle modifications and experiments for Phantom III and Bentley models. | 8th Oct 1937 | Box 154a \ 3 scan0322 | |
| Progress report on design modifications and component standardisation for various car models. | 8th Oct 1937 | Box 154a \ 3 scan0323 | |
| Status report on various vehicle component changes and discussions. | 8th Oct 1937 | Box 154a \ 3 scan0324 | |
| Log of engineering modifications and status updates for various components. | 8th Oct 1937 | Box 154a \ 3 scan0325 | |
| List of standardisation sheets proposed for discussion at the next chassis conference. | 8th Oct 1937 | Box 154a \ 3 scan0326 | |
| List of issued documents for Bentley components including pedals, engine mounting, and radiator shutter assembly. | 18th Oct 1937 | Box 154a \ 3 scan0327 | |
| New standardisation sheet for a Ph.III Fan, Drive and Starting Handle to resolve overheating issues. | 10th Oct 1937 | Box 154a \ 3 scan0328 | |
| Notice regarding the discontinuation of the monthly return of standardisation sheets. | 28th Oct 1937 | Box 154a \ 3 scan0329 | |
| List of standardisation sheet updates for various components, awaiting signature. | 29th Oct 1937 | Box 154a \ 3 scan0330 | |
| Cost of introducing an engine coupling and rear brake lever on the 'D' Series chassis. | 2nd Nov 1937 | Box 154a \ 3 scan0331 | |
| Listing a series of standardisation sheets requiring clearance. | 6th Dec 1937 | Box 154a \ 3 scan0332 | |
| Urgent ordering of new wide rim road wheels for the D. series, referencing a standardisation sheet and a commitment to Dunlops. | 29th Dec 1937 | Box 154a \ 3 scan0333 | |
| Query regarding a discrepancy in the completion date marked on Standardisation Sheet No.P.12. | 26th Jan 1938 | Box 154a \ 3 scan0334 | |
| Standardisation sheet memo regarding the timing for incorporating modifications on 'D' series jets. | 27th Jan 1938 | Box 154a \ 3 scan0335 | |
| List of standardisation sheet topics for Wraith and Bentley models, to be discussed at a general chassis conference. | 1st Apr 1939 | Box 154a \ 3 scan0336 | |
| New brake lining combination for the Wraith to prevent squeaks. | 4th Jul 1939 | Box 154a \ 3 scan0337 | |
| Letter from Marconi-Ekco Instruments Ltd. proposing the development of a 'Riding Comfort Meter'. | 18th Nov 1936 | Box 154a \ 4 scan0001 | |
| Need for more practical limits for chassis road springs. | 18th Nov 1936 | Box 154a \ 4 scan0002 | |
| List of obsolete road springs giving quantities, piece numbers, and poundage values. | 19th Nov 1936 | Box 154a \ 4 scan0003 | |
| Les' recommendations for chassis road springs and a noted misunderstanding. | 20th Nov 1936 | Box 154a \ 4 scan0004 | |
| Chassis road spring poundage, specifications, and ordering procedures for various models. | 20th Nov 1936 | Box 154a \ 4 scan0005 | |
| Table of deflection, buffer clearance, and car height variations for Bentley, 30.HP, and Phantom III models. | 20th Nov 1936 | Box 154a \ 4 scan0006 | |
| Letter to Marconi-Ekco Instruments Ltd. regarding instruments for measuring riding comfort and shock absorbers. | 23th Nov 1936 | Box 154a \ 4 scan0007 | |
| Clarifying a misunderstanding regarding the fitting of different weight road springs due to availability. | 25th Nov 1936 | Box 154a \ 4 scan0008 | |
| Reasons for changing chassis road springs and strategies for reducing spring scrap. | 30th Nov 1936 | Box 154a \ 4 scan0009 | |
| Process of ordering car springs and managing redundant and scrap stock. | 30th Nov 1936 | Box 154a \ 4 scan0010 | |
| Scrapping or utilisation of £2,000 worth of obsolete road springs. | 4th Dec 1936 | Box 154a \ 4 scan0011 | |
| The valuation and allocation of obsolete Phantom II and 25 HP road springs. | 4th Dec 1936 | Box 154a \ 4 scan0012 | |
| Status, cost, and proposed use or scrapping of various car springs. | 5th Dec 1936 | Box 154a \ 4 scan0013 | |
| List of obsolete road springs with quantities, piece numbers, and poundage values. | 19th Nov 1936 | Box 154a \ 4 scan0014 | |
| Continuation page listing quantities and poundage specifications for piece number F58597. | 19th Nov 1936 | Box 154a \ 4 scan0015 | |
| Data table recording type load, actual load, and plate thickness measurements for various test pieces. | 15th Dec 1936 | Box 154a \ 4 scan0016 | |
| Suggestions for simplifying chassis road spring specifications and production procedures. | 15th Dec 1936 | Box 154a \ 4 scan0017 | |
| Standardizing the numbering and specifications for vehicle springs, focusing on piece numbers, lubrication, and poundage. | 15th Dec 1936 | Box 154a \ 4 scan0018 | |
| The selection of springs, detailing poundage specifications and recommendations for Ph.III, 30 HP, and Bentley models. | 15th Dec 1936 | Box 154a \ 4 scan0019 | |
| List of proposed alterations and specifications for spring drawings. | 15th Dec 1936 | Box 154a \ 4 scan0020 | |
| Standardization of part numbers and specifications for road springs. | 15th Dec 1936 | Box 154a \ 4 scan0021 | |
| The disposal and stocking of obsolete road springs before stocktaking. | 15th Dec 1936 | Box 154a \ 4 scan0022 | |
| Decision to scrap or modify obsolete road springs for various car models. | 17th Dec 1936 | Box 154a \ 4 scan0023 | |
| Valuation and decisions regarding obsolete and surplus car springs. | 17th Dec 1936 | Box 154a \ 4 scan0024 | |
| Letter to the English Steel Corporation requesting the production of a pair of Bentley rear springs. | 18th Dec 1936 | Box 154a \ 4 scan0025 | |
| Covering order for special Bentley rear road springs. | 18th Dec 1936 | Box 154a \ 4 scan0026 | |
| Low stock levels of Phantom III rear springs and the requirement for new brackets or shackle pins. | 22th Dec 1936 | Box 154a \ 4 scan0027 | |
| Directive to use normal type rear road springs with low rated front springs on the 25/30 HP chassis. | 29th Dec 1936 | Box 154a \ 4 scan0028 | |
| Instruction on the required tolerances for quoting the poundage of road springs. | 1st Jan 1937 | Box 154a \ 4 scan0029 | |
| Causes of obsolete road springs and production procedures for new ones. | 1st Jan 1937 | Box 154a \ 4 scan0030 | |
| Technical discussion on spring specifications, including poundage, camber, and part numbering. | 1st Jan 1937 | Box 154a \ 4 scan0031 | |
| Spring manufacturing specifications, weight tolerances, and pricing expectations. | 1st Jan 1937 | Box 154a \ 4 scan0032 | |
| Suggesting cost-saving measures for axle springs by deleting cadmium plating and machine grinding. | 6th Jan 1937 | Box 154a \ 4 scan0033 | |
| Use of obsolete road springs on new car models and testing simplified Wraith springs. | 8th Jan 1937 | Box 154a \ 4 scan0034 | |
| Road test and comparison of a specially sprung 25 HP car's suspension. | 9th Jan 1937 | Box 154a \ 4 scan0035 | |
| Manufacturing processes for road springs, including grinding, eye construction, and plating. | 18th Jan 1937 | Box 154a \ 4 scan0036 | |
| Comparative table of suspension data for Phantom III, 30 HP, and Bentley models. | 11th Jan 1937 | Box 154a \ 4 scan0037 | |
| Arguing for the continued use of cadmium plating on axle springs to prevent corrosion-related failures. | 11th Jan 1937 | Box 154a \ 4 scan0038 | |
| Modifications to the front spring bracket for the rear road springs on the Continental Phantom III. | 11th Jan 1937 | Box 154a \ 4 scan0039 | |
| Modifying the rear spring setup from a Phantom II type to a Phantom III type. | 11th Jan 1937 | Box 154a \ 4 scan0040 | |
| Short internal memo from Rm/Les to Hy regarding attached information. | 11th Jun 1937 | Box 154a \ 4 scan0041 | |
| List of production road spring weights for various car models. | 11th Jun 1937 | Box 154a \ 4 scan0042 | |
| Engineering notes on load calculations for Bentley III Phoenix rubber bearings and suspension components. | 11th Jun 1937 | Box 154a \ 4 scan0043 | |
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