| Description | Date | Identifier | |
| Alteration details for a Bottom Plate, Top Tank, and Yoke, specifically regarding water inlet and bracket positions. | 10th Mar 1939 | Box 98 \ 1 scan0030 | |
| New and modified blueprints for the Bentley 38 Chassis radiator and headlamp components. | 10th Mar 1939 | Box 98 \ 1 scan0031 | |
| Scheme for the lengthened bonnet face plate and rest angle for the Bentley 38, chassis 11.B.5. | 14th Mar 1939 | Box 98 \ 1 scan0032 | |
| The Rationalised Chassis Programme. | 17th Mar 1939 | Box 98 \ 1 scan0033 | |
| Instructions regarding a scheme for the bonnet side fixings for a Bentley 38, chassis 11.B.5. | 20th Mar 1939 | Box 98 \ 1 scan0034 | |
| Requirement for detailed designs of engine support brackets for a chassis. | 21th Mar 1939 | Box 98 \ 1 scan0035 | |
| Instruction to have the wiring on a car mounted on the engine side of the dash. | 27th Mar 1939 | Box 98 \ 1 scan0036 | |
| Modification scheme for the Side Spare Wheel Carrier on chassis 11.B.5. | 27th Mar 1939 | Box 98 \ 1 scan0037 | |
| Instructions regarding modifications to the frame extension bracket for the Bentley 38 chassis front bumper. | 27th Mar 1939 | Box 98 \ 1 scan0038 | |
| Request to post a pair of headlamp brackets to Marstons of Wolverhampton for a chassis radiator they are producing. | 28th Mar 1939 | Box 98 \ 1 scan0039 | |
| Letter to Park Ward & Co. Ltd. regarding the supply of new blueprints for bonnet plates for chassis 11.B.5. | 4th Apr 1939 | Box 98 \ 1 scan0040 | |
| Requesting permission to transport an experimental Bentley chassis to Messrs. Park Ward. | 4th Apr 1939 | Box 98 \ 1 scan0041 | |
| Short typed memo confirming a chassis is arriving by lorry today. | 5th Apr 1939 | Box 98 \ 1 scan0042 | |
| Despatch of a chassis to Messrs. Park Wards for body fitting. | 6th Apr 1939 | Box 98 \ 1 scan0043 | |
| Order for bonnet hinges for car models 11.B.V. and 12.B.V. | 17th Apr 1939 | Box 98 \ 1 scan0044 | |
| Letter from the Experimental Dept. requesting two bonnet hinges from Messrs. Hallam, Sleigh & Cheston Ltd. | 17th Apr 1939 | Box 98 \ 1 scan0045 | |
| Letter to Messrs Park Ward & Co. Ltd. concerning headlamp sockets for chassis 11.B.5. | 19th Apr 1939 | Box 98 \ 1 scan0046 | |
| Confidential letter to coachbuilder Park Ward regarding the omission of defroster ducts on Chassis 11.B.5. | 24th Apr 1939 | Box 98 \ 1 scan0047 | |
| Letter to Messrs. Park Ward & Co. Ltd. confirming the despatch of bonnet parts marked 11.B.5. | 25th Apr 1939 | Box 98 \ 1 scan0048 | |
| Confirmation letter from coachbuilders Park Ward & Co. Ltd regarding the safe arrival of chassis parts. | 27th Apr 1939 | Box 98 \ 1 scan0049 | |
| Letter from Park Ward & Co. Ltd confirming a telegram regarding missing bonnet springs for chassis No. 11.B.5. | 2nd May 1939 | Box 98 \ 1 scan0050 | |
| Letter to Park Ward & Co. Ltd. enclosing a blueprint for a Front Apron and an updated list of chassis drawings. | 2nd May 1939 | Box 98 \ 1 scan0051 | |
| Post Office Telegram requesting the immediate dispatch of bonnet springs from Park Ward. | 12th May 1939 | Box 98 \ 1 scan0052 | |
| Request for permission to use a transport lorry to collect a Bentley body from Messrs. Park Ward. | 5th May 1939 | Box 98 \ 1 scan0053 | |
| File card regarding Bentley V. rear axle ratios. | 5th May 1939 | Box 98 \ 1 scan0054 | |
| Order for a pair of front road springs for a specific chassis. | 8th May 1939 | Box 98 \ 1 scan0055 | |
| Letter from the Experimental Department regarding the return of replaced ash trays. | 15th May 1939 | Box 98 \ 1 scan0056 | |
| Letter from coachbuilders Park Ward & Co. Ltd. regarding the supply of replacement 'Ace' type ashtrays for chassis No.11.B.V. | 16th May 1939 | Box 98 \ 1 scan0057 | |
| Return of two ash trays to be replaced with new ones painted to match the leather. | 15th May 1939 | Box 98 \ 1 scan0058 | |
| Letter to Park Ward & Co. Ltd. requesting the despatch of a speedometer for chassis 11.B.5 to Derby. | 15th May 1939 | Box 98 \ 1 scan0059 | |
| Letter from the Experimental Department to Park Ward & Co. Ltd. requesting a gallon of paint for car body No.302. | 17th May 1939 | Box 98 \ 1 scan0060 | |
| Letter to Park Ward & Co. Ltd. concerning the return of replaced ashtrays for chassis 11.B.5. | 17th May 1939 | Box 98 \ 1 scan0061 | |
| Letter from Park Ward & Co. Ltd confirming the dispatch of light grey cellulose for Body No. B.302. | 18th May 1939 | Box 98 \ 1 scan0062 | |
| Standardising a ¾° castor angle for B.V. steering and preparing necessary yokes for various chassis. | 23th May 1939 | Box 98 \ 1 scan0063 | |
| Letter from coachbuilders Park, Ward & Co. Ltd confirming the despatch of cellulose paint for a Bentley chassis. | 24th May 1939 | Box 98 \ 1 scan0064 | |
| Requesting an order for a Bentley V chassis frame and pan, listing required part numbers. | 27th May 1939 | Box 98 \ 1 scan0065 | |
| Note concerning 'lightened levers', with a cross-reference to another file. | 27th May 1939 | Box 98 \ 1 scan0066 | |
| Instructing the fitting of a rear joint to a chassis's side steering tube. | 7th Jun 1939 | Box 98 \ 1 scan0067 | |
| Requesting a strengthened front engine mounting be prepared for car 11.B.5 following a failure of the current type. | 8th Jun 1939 | Box 98 \ 1 scan0068 | |
| Instruction to modify the rear brakes by replacing steadies on the dust covers with bent brackets from the carrier plates. | 8th Jun 1939 | Box 98 \ 1 scan0069 | |
| Requesting a Bentley radiator badge be enamelled red, then returned for chromium plating before being fitted to a car. | 16th Jun 1939 | Box 98 \ 1 scan0070 | |
| Note regarding experimental cowling weights. | 27th Jun 1939 | Box 98 \ 1 scan0071 | |
| Weekend mileage and vehicle condition report for vehicle 11.B.V. | 1st Jun 1939 | Box 98 \ 1 scan0072 | |
| Requesting modifications to a car's transmission system while at the fitting shop. | 4th Jul 1939 | Box 98 \ 1 scan0073 | |
| Requesting brake modifications and other checks on car 11.B.V. | 4th Jul 1939 | Box 98 \ 1 scan0074 | |
| Instructions for fitting and making experimental exhaust systems for a Bentley 11.B.V. C.I. 80 Engine to reduce B.HP loss. | 17th Jul 1939 | Box 98 \ 1 scan0075 | |
| Log book entry detailing a road test and issues with car model 11.B.V. | 17th Jul 1939 | Box 98 \ 1 scan0076 | |
| Dented front frame pan caused by jacking without a jacking pad. | 21th Jul 1939 | Box 98 \ 1 scan0077 | |
| Outlining the required specifications for modifications to three experimental cars. | 5th Aug 1939 | Box 98 \ 1 scan0078 | |
| Instruction to fit a rubber mounted centre prop shaft joint to a Bentley 11.B.V. and check the shaft for balance. | 6th Mar 1940 | Box 98 \ 1 scan0079 | |
| Reference note concerning a chassis fitted with a B.80 engine, directing to another file. | 8th Mar 1940 | Box 98 \ 1 scan0080 | |
| Troubleshooting a pronounced propeller shaft period on an 11.B.V. Bentley Car. | 11th Mar 1940 | Box 98 \ 1 scan0081 | |
| Request to fit new linings to the rear brakes of vehicle 11.B.V. | 12th Mar 1940 | Box 98 \ 1 scan0082 | |
| Faults on car model 11 B.V., including starting, wind noise, speedometer, and engine issues. | 27th Mar 1940 | Box 98 \ 1 scan0083 | |
| Test report detailing performance issues with a vehicle's gearbox, steering, throttle, and smoothness. | 27th Mar 1940 | Box 98 \ 1 scan0084 | |
| Work order detailing modifications and checks for the 11-B-V Car B.80 No.3 Unit. | 28th Mar 1940 | Box 98 \ 1 scan0085 | |
| List of instructions for vehicle modifications, including removing the instrument board and measuring cylinder bores. | 28th Mar 1940 | Box 98 \ 1 scan0086 | |
| Instructions for modifications to a car, including fitting machined pulleys and new bonnet side plates. | 29th Mar 1940 | Box 98 \ 1 scan0087 | |
| To fit water pump S.C.D.1398 to car 11.B.V. | 3rd Apr 1940 | Box 98 \ 1 scan0088 | |
| Request for a rough drawing of stiffening strips for bonnet side plates on car .11.B.V. | 5th Apr 1940 | Box 98 \ 1 scan0089 | |
| Work to be carried out on Bentley Car 11-B-Y. | 11th Apr 1940 | Box 98 \ 1 scan0090 | |
| Requesting the relining of rear brakes while testers change the induction system. | 22th Apr 1940 | Box 98 \ 1 scan0091 | |
| Staff re-arrangements for juniors in the Experimental Department. | 30th Apr 1940 | Box 98 \ 1 scan0092 | |
| Performance and petrol consumption test report on a Bentley 11 B.V. car comparing different carburettor setups. | 30th Apr 1940 | Box 98 \ 1 scan0093 | |
| Comparison of fuel consumption figures for Stromberg versus 3 S.U. carburettors, with detailed test conditions. | 14th Jun 1940 | Box 98 \ 1 scan0094 | |
| Performance and petrol consumption tests comparing a Duplex Stromberg carburettor with three S.U. carburettors on a Bentley 11.B.V. car. | 14th Jun 1940 | Box 98 \ 1 scan0095 | |
| Comparison of fuel consumption figures for Stromberg and 3 S.U. carburetors, along with vehicle test specifications. | 14th Sep 1940 | Box 98 \ 1 scan0096 | |
| Design features, materials, and challenges for the Comet Rear Axle. | 14th Sep 1940 | Box 98 \ 1 scan0097 | |
| Technical memorandum detailing the design considerations for the Comet Rear Axle, PL.336. | 14th Sep 1940 | Box 98 \ 1 scan0098 | |
| List of six main complaints about car 9.B.V. | 24th Sep 1940 | Box 98 \ 1 scan0099 | |
| Feedback and observations on the performance of car 12.B.V. | 29th Sep 1940 | Box 98 \ 1 scan0100 | |
| Specifications for a B.III rear axle. | 7th Jul 1937 | Box 98 \ 1 scan0101 | |
| Modifications and specifications for the Bentley III rear axle. | 7th Jul 1937 | Box 98 \ 1 scan0102 | |
| Modifications and suggestions for an axle shaft, axle tube flanges, and spring seat assembly. | 7th Jul 1937 | Box 98 \ 1 scan0103 | |
| B.III half-shaft failures on the Bentley, proposing an increase in spline diameter and a new wheel driver design. | 5th Aug 1937 | Box 98 \ 1 scan0104 | |
| Requesting a change in the rear axle ratio for the Bentley III due to the use of an overdrive gearbox. | 30th Sep 1937 | Box 98 \ 1 scan0105 | |
| Modifications to the Rear Axle and Hubs for the Bentley 111 Chassis, including stiffened axle shafts. | 1st Oct 1937 | Box 98 \ 1 scan0106 | |
| Notification of modifications to the axle shafts and rear wheel driver for the Bentley 11.A chassis. | 1st Oct 1937 | Box 98 \ 1 scan0107 | |
| Need for a better bearing for the Bentley 111 rear axle pinion. | 8th Oct 1937 | Box 98 \ 1 scan0108 | |
| Order for rear axle hypoid bevel gears for the Bentley III Chassis from Gleason Works. | 18th Oct 1937 | Box 98 \ 1 scan0109 | |
| Damage to the Bentley III rear axle casing, suggesting a ribbed replacement. | 4th Nov 1937 | Box 98 \ 1 scan0110 | |
| Suggestion to increase the load capacity of the nose bearing for the Bentley 111 rear axle. | 8th Nov 1937 | Box 98 \ 1 scan0111 | |
| Letter regarding the production and specification changes for Bentley III Chassis rear axle hypoid bevel gears. | 22th Nov 1937 | Box 98 \ 1 scan0112 | |
| Letter from Gleason Works regarding order 50322, detailing manufacturing tolerances, pricing, and delivery for gears. | 10th Nov 1937 | Box 98 \ 1 scan0113 | |
| Blueprint for a Hypoid Gear with manufacturing specifications. | 1st Nov 1934 | Box 98 \ 1 scan0114 | |
| Technical drawing for a hypoid pinion. | 3rd Nov 1937 | Box 98 \ 1 scan0115 | |
| Methods for quieting over-run noise on Bentley axles at 40 MPH. | 23th Nov 1937 | Box 98 \ 1 scan0116 | |
| Communication about a failed alteration request for Bentley III Chassis rear axle hypoid bevel gears from Gleason Works. | 27th Nov 1937 | Box 98 \ 1 scan0117 | |
| Requesting the assembly of a Bentley III back axle deflection rig for testing. | 20th Dec 1937 | Box 98 \ 1 scan0118 | |
| Notification of updated blueprints and gear ratios for the Servo and Speedometer Drives on the Bentley 111 Chassis. | 15th Dec 1937 | Box 98 \ 1 scan0119 | |
| Design details and manufacturing capabilities of Barber Colman Taper Splines. | 4th Mar 1938 | Box 98 \ 1 scan0120 | |
| Drawing PD.141 for the Bentley 111 rear axle, hubs, and brakes. | 5th Apr 1938 | Box 98 \ 1 scan0121 | |
| The preference for semi-floating axles over fully floating axles for car models B.III and B.50. | 9th Jun 1938 | Box 98 \ 1 scan0122 | |
| Clarifying the production status and plans for floating and semi-floating axles for Bentley III and Bentley 50 models. | 10th Jun 1938 | Box 98 \ 1 scan0123 | |
| Preliminary report on a semi-floating axle for the Bentley III, detailing design proposals and dynamometer test results. | 19th Aug 1938 | Box 98 \ 1 scan0124 | |
| Inspection report detailing axle component failures and proposed solutions including new bearing trials. | 19th Aug 1938 | Box 98 \ 1 scan0125 | |
| Temporary scheme for the rear axle of a Bentley 111 chassis, intended for use in France. | 25th Aug 1938 | Box 98 \ 1 scan0126 | |
| Surface failure of gear teeth on a semi-floating axle and requesting hardness testing. | 10th Sep 1908 | Box 98 \ 1 scan0127 | |
| Analysing the effect of increasing the rear axle hypoid on the coachwork of models B.III, B.50, and Wraith 80. | 15th Sep 1938 | Box 98 \ 1 scan0128 | |
| General remarks comparing the benefits of an intermediate propeller shaft bearing to a hypoid axle. | 15th Sep 1938 | Box 98 \ 1 scan0129 | |
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