| Description | Date | Identifier | |
| Copy of a letter from Long Manufacturing to Borg & Beck detailing an investigation into a complaint about clutch components. | 6th Mar 1941 | Box 130 \ 3 scan0196 | |
| Analysis of clutch performance, discussing deflection tests, design modifications, and a review of performance graphs. | 6th Mar 1941 | Box 130 \ 3 scan0197 | |
| Letter from Borg-Warner Corporation discussing clutch cushioning, anti-squeak plates, and manufacturing. | 6th Mar 1941 | Box 130 \ 3 scan0198 | |
| Checks on a 10CF coverplate assembly, focusing on deflection from spring load and centrifugal force. | 6th Mar 1941 | Box 130 \ 3 scan0199 | |
| List of checks and measurements for spinner and lever components, with a comparison to Cadillac design. | 3rd Mar 1937 | Box 130 \ 3 scan0200 | |
| Data sheet with a table and graph illustrating the centrifugal force curve on a production release lever. | 3rd Mar 1937 | Box 130 \ 3 scan0201 | |
| Technical drawing of a clutch coverplate assembly, showing the pressure plate and release lever unit. | 1st Feb 1941 | Box 130 \ 3 scan0202 | |
| Visit to Borg & Beck discussing clutch cover plate deflection tests and correspondence with the Long Manufacturing Co. | 24th May 1941 | Box 130 \ 3 scan0203 | |
| Report discussing clutch assembly designs and specifications with suppliers Long Company and Borg & Beck. | 24th May 1941 | Box 130 \ 3 scan0204 | |
| Clutch design and performance following a visit to Borg & Beck. | 25th May 1941 | Box 130 \ 3 scan0205 | |
| Clarifying requirements for Order No. A.36320 for a 7 1/4' Borg & Beck Clutch. | 28th May 1941 | Box 130 \ 3 scan0206 | |
| Letter to Messrs. Borg & Beck Ltd. requesting the supply of sample clutch components. | 29th May 1941 | Box 130 \ 3 scan0207 | |
| Requesting the return of three 7 1/2' Borg & Beck clutch discs for exchange. | 13th Jun 1941 | Box 130 \ 3 scan0208 | |
| Letter to Borg & Beck, Ltd. regarding the exchange of three 7 1/4' clutch discs for 'Borglite' discs. | 13th Jun 1941 | Box 130 \ 3 scan0209 | |
| Clutch friction, transmission rattles in 4-cylinder engines, and the 'Myth' project. | 30th Jun 1944 | Box 130 \ 3 scan0210 | |
| Investigation into transmission rattle caused by 10' clutch discs and proposed solutions. | 30th Jun 1941 | Box 130 \ 3 scan0211 | |
| Graph showing the results of a torsional deflection test on a 10-inch clutch disc. | 27th Jun 1941 | Box 130 \ 3 scan0212 | |
| Record of a drawing for the Borg & Beck 9' C.F. Long Type Clutch for the Junior Range. | 10th Jul 1941 | Box 130 \ 3 scan0213 | |
| Dispatch request to send a car flywheel to Messrs. Borg & Beck Co. Ltd. for balancing and setting a clutch. | 26th Jul 1941 | Box 130 \ 3 scan0214 | |
| Letter to Messrs. Borg & Beck Co. Ltd. confirming a flywheel is being sent for balancing a 10' C.F. clutch assembly. | 26th Jul 1941 | Box 130 \ 3 scan0215 | |
| Letter from Borg & Beck Company Ltd. regarding the forwarding of a flywheel to balance a Special 10.C.F. Clutch assembly. | 31th Jul 1941 | Box 130 \ 3 scan0216 | |
| Letter from Borg & Beck regarding difficulty obtaining clutch facings from America and requesting a flywheel be redrilled. | 13th Oct 1941 | Box 130 \ 3 scan0217 | |
| Quarterly complaints report regarding Bentley vehicles, focusing on brake issues and poor slow running. | 8th Jun 1936 | Box 130 \ 4 scan0001 | |
| Various vehicle faults and assigning responsibility for investigation. | 8th Jun 1936 | Box 130 \ 4 scan0002 | |
| Rattles from shock absorber connections and concerns about defective sparking plugs. | 8th Jun 1936 | Box 130 \ 4 scan0003 | |
| Listing prevalent complaints for Bentley vehicles for the quarter ending June 30th, 1936. | 6th Jul 1937 | Box 130 \ 4 scan0004 | |
| List of Bentley quarterly complaints, modifications, and repetition complaints from June 1936. | 7th Jul 1936 | Box 130 \ 4 scan0005 | |
| Performance issues with headlamp cross-members and Wilmot Breedon bumpers. | 7th Jul 1936 | Box 130 \ 4 scan0006 | |
| Index sheet for a report on Bentley quarterly complaints, listing subjects and corresponding page numbers. | 6th Jul 1936 | Box 130 \ 4 scan0007 | |
| Requesting the return of the Bentley Quarterly Complaints list for the quarter ending June 30th, 1936. | 18th Jul 1936 | Box 130 \ 4 scan0008 | |
| Cover letter for the quarterly complaints report regarding the 20/25 HP and Phantom II models. | 28th Jul 1936 | Box 130 \ 4 scan0009 | |
| Title page for the 'Brakes & Servo' section. | 30th Jun 1936 | Box 130 \ 4 scan0010 | |
| Summary of brake complaints for the 20/25 HP and Phantom II models for the six months ending June 1936. | 30th Jun 1936 | Box 130 \ 4 scan0011 | |
| Log of brake faults and subsequent repairs on various chassis, with statistical summaries. | 30th Jun 1936 | Box 130 \ 4 scan0012 | |
| Summary report of vehicle faults and repairs related to brakes and servos, organized by fault type. | 30th Jun 1936 | Box 130 \ 4 scan0013 | |
| Report listing faults, statistics, and repairs for 'Servo inefficient' and 'Servo thumps' on Phantom II chassis. | 30th Jun 1936 | Box 130 \ 4 scan0014 | |
| Title page for the 'Clutch' section of a report. | 30th Jun 1936 | Box 130 \ 4 scan0015 | |
| Summary report on total clutch complaints and clutch slips over quarterly and six-month periods. | 30th Jun 1936 | Box 130 \ 4 scan0016 | |
| Title page for the 'Engine' section. | 30th Jun 1936 | Box 130 \ 4 scan0017 | |
| Summary of engine faults and corrective actions for various chassis types over a six-month period. | 30th Jun 1936 | Box 130 \ 4 scan0018 | |
| Carburettor faults and rectifications on 20/25 HP and Phantom II chassis. | 30th Jun 1936 | Box 130 \ 4 scan0019 | |
| Engine faults, diagnoses, and resolutions for various chassis. | 30th Jun 1936 | Box 130 \ 4 scan0020 | |
| Quarterly report detailing faults and repairs for bonnet rattles, radiator leaks, water leakage, and defective thermostats. | 30th Jun 1936 | Box 130 \ 4 scan0021 | |
| Quarterly report detailing vehicle failures and corresponding repair actions. | 30th Jun 1936 | Box 130 \ 4 scan0022 | |
| Resolving noise from a flexible engine suspension by cleaning and refitting silent blocks on a 20/25 HP Chassis. | 30th Jun 1936 | Box 130 \ 4 scan0023 | |
| Title page for the 'Exhaust System' section. | 30th Jun 1936 | Box 130 \ 4 scan0024 | |
| Quarterly report summarizing vehicle exhaust system complaints and associated repairs. | 30th Jun 1936 | Box 130 \ 4 scan0025 | |
| Faults and repairs on vehicle exhaust systems over quarterly and six-month periods. | 30th Jun 1936 | Box 130 \ 4 scan0026 | |
| Cover page for a document section titled 'STEERING'. | 30th Jun 1936 | Box 130 \ 4 scan0027 | |
| Steering system faults and rectifications for 20/25 HP chassis. | 30th Jun 1936 | Box 130 \ 4 scan0028 | |
| Faults and fixes for steering knock and rattle on 20/25 HP and Phantom II chassis. | 30th Jun 1936 | Box 130 \ 4 scan0029 | |
| Title page for the section on Front Axle and Front Axle Controls. | 30th Jun 1936 | Box 130 \ 4 scan0030 | |
| Customer complaints and repairs for noisy and slack front axle controls. | 30th Jun 1936 | Box 130 \ 4 scan0031 | |
| Title page for the section on the Gearbox and Propeller Shaft. | 30th Jun 1936 | Box 130 \ 4 scan0032 | |
| Reports on resolutions for a gearbox synchromesh rattle and a hand brake/change speed lever rattle on 20/25 HP chassis. | 30th Jun 1936 | Box 130 \ 4 scan0033 | |
| Title page for the 'Rear Axle' section. | 30th Jun 1936 | Box 130 \ 4 scan0034 | |
| Faults found with rear axles, drivers, and thrust bearings on various chassis. | 30th Jun 1936 | Box 130 \ 4 scan0035 | |
| Title page for a document section on springing. | 30th Jun 1936 | Box 130 \ 4 scan0036 | |
| Faults and modifications related to vehicle spring systems. | 30th Jun 1936 | Box 130 \ 4 scan0037 | |
| Customer complaints and subsequent modifications to the suspension on two 20/25 HP chassis. | 30th Jun 1936 | Box 130 \ 4 scan0038 | |
| Title page for a document about hydraulic dampers and ride control. | 30th Jun 1936 | Box 130 \ 4 scan0039 | |
| Summary of hydraulic system complaints and their resolutions for various chassis models. | 30th Jun 1936 | Box 130 \ 4 scan0040 | |
| Faults and repairs for hydraulic dampers on Phantom II and 20/25 HP chassis. | 30th Jun 1936 | Box 130 \ 4 scan0041 | |
| Title page for a section on Electrical Installation and Accessories. | 30th Jun 1936 | Box 130 \ 4 scan0042 | |
| Dynamo, electric clock, and electric petrol gauge complaints for various chassis models. | 30th Jun 1936 | Box 130 \ 4 scan0043 | |
| Title page for a section on various accessories. | 30th Jun 1936 | Box 130 \ 4 scan0044 | |
| Speedometer and thermometer failures on 20/25 HP and Phantom II chassis. | 24th Jul 1936 | Box 130 \ 4 scan0045 | |
| Instances of slackness in the pedal mechanism over different time periods. | 24th Jul 1936 | Box 130 \ 4 scan0046 | |
| Quarterly report on complaints for the 20/25 HP and Phantom II chassis for the quarter ending June 1936. | 19th Aug 1936 | Box 130 \ 4 scan0047 | |
| Quarterly report from June 1936 detailing customer complaints about vehicle brakes. | 30th Jun 1936 | Box 130 \ 4 scan0048 | |
| Statistical report on various brake failures over a six-month period. | 30th Jun 1936 | Box 130 \ 4 scan0049 | |
| Quarterly statistical report on customer complaints for brakes, servos, and clutches across different vehicle models. | 30th Jun 1936 | Box 130 \ 4 scan0050 | |
| Quarterly report detailing statistics for vehicle complaints such as clutch slips, dynamo issues, and exhaust problems. | 30th Jun 1936 | Box 130 \ 4 scan0051 | |
| Faults and complaints related to exhaust systems, engine timing gears, and valves. | 30th Jun 1936 | Box 130 \ 4 scan0052 | |
| Summary of hydraulic complaints for 25 HP and Phantom II models over two quarters. | 30th Jun 1936 | Box 130 \ 4 scan0053 | |
| Tabulated analysis of vehicle faults, their frequency, and remedies over a six-month period for different car models. | 30th Jun 1936 | Box 130 \ 4 scan0054 | |
| Quarterly report summarizing vehicle faults and their respective remedies. | 30th Jun 1936 | Box 130 \ 4 scan0055 | |
| Summary report of vehicle failures by model type for the June quarter and the previous quarter. | 30th Jun 1936 | Box 130 \ 4 scan0056 | |
| Statistical report on vehicle failures over two quarters, broken down by model and fault type. | 30th Jun 1936 | Box 130 \ 4 scan0057 | |
| Quarterly statistical report on vehicle faults, categorised by model and time period, with remarks on causes and fixes. | 27th Aug 1936 | Box 130 \ 4 scan0058 | |
| Quarterly complaints for the 3 1/2 Litre Bentley Chassis, explaining the classification of issues for the quarter ending June 1936. | 27th Aug 1936 | Box 130 \ 4 scan0059 | |
| Quarterly report from June 1936 detailing customer complaints about brakes. | 30th Jun 1936 | Box 130 \ 4 scan0060 | |
| Summary report of vehicle faults and customer complaints over two quarters. | 30th Jun 1936 | Box 130 \ 4 scan0061 | |
| Summary report on brake issues, including binding and squeaking, with counts and remarks for different time periods. | 30th Jun 1936 | Box 130 \ 4 scan0062 | |
| Quarterly report summarizing common vehicle faults, their frequency, and associated remedies. | 30th Jun 1936 | Box 130 \ 4 scan0063 | |
| Customer complaints and service issues for various vehicle components over six months. | 30th Jun 1936 | Box 130 \ 4 scan0064 | |
| Statistical report on vehicle faults over a six-month period, with remarks and handwritten notes. | 30th Jun 1936 | Box 130 \ 4 scan0065 | |
| Quarterly report summarizing vehicle faults and adjustments for springing, tappets, rear axle gears, and oil leaks. | 30th Jun 1936 | Box 130 \ 4 scan0066 | |
| Quarterly report summarizing vehicle defects related to rattles, speedometers, and headlamps, with remarks on causes and actions. | 30th Jun 1936 | Box 130 \ 4 scan0067 | |
| Quarterly report on engine and electrical system faults with comparative statistics and remarks. | 30th Jun 1936 | Box 130 \ 4 scan0068 | |
| Summary of vehicle faults and complaints including steering, pinking, and oil consumption over a six-month period. | 30th Jun 1936 | Box 130 \ 4 scan0069 | |
| Summary report of vehicle faults and failures categorised over quarterly, three-month, and six-month periods. | 23th Oct 1936 | Box 130 \ 4 scan0070 | |
| Quarterly report on customer complaints for 3 1/2 and 4 1/4 litre Bentley chassis. | 23th Oct 1936 | Box 130 \ 4 scan0071 | |
| Quarterly report analyzing customer and company policy complaints about vehicle brakes for the September 1936 quarter. | 30th Sep 1936 | Box 130 \ 4 scan0072 | |
| Quarterly report summarizing various brake-related faults with numerical data and remarks. | 30th Sep 1936 | Box 130 \ 4 scan0073 | |
| Statistical report on brake squeaks and clutch issues over a six-month period. | 30th Sep 1936 | Box 130 \ 4 scan0074 | |
| Quarterly report detailing vehicle faults, their frequency, and remarks on corrective actions. | 30th Sep 1936 | Box 130 \ 4 scan0075 | |
| Summary report of component faults for radiator shutters, petrol gauges, petrol pumps, and H.T. leads. | 30th Sep 1936 | Box 130 \ 4 scan0076 | |
| Quarterly report page detailing vehicle faults, their frequencies, and remedial actions. | 30th Sep 1936 | Box 130 \ 4 scan0077 | |
| Statistical report on vehicle faults, their frequency over quarterly periods, and remarks on their causes. | 30th Sep 1936 | Box 130 \ 4 scan0078 | |
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