| Description | Date | Identifier | |
| Test report on the performance of the clutch, brakes, brake pedal, and gear lever centralising spring. | 19th Mar 1936 | Box 90 \ 1 Scan177 | |
| Spring loading, foot dipping switch, and headlamp performance. | 7th Apr 1936 | Box 90 \ 1 Scan178 | |
| Detonation tests on a Bentley car to determine the correct curve for automatic advance. | 7th Apr 1936 | Box 90 \ 1 Scan179 | |
| Blueprint graph showing the preliminary Delco Remy ignition curve for a B.23.A.F. deturbulated head. | 8th Apr 1936 | Box 90 \ 1 Scan180 | |
| Stamped document from the Print Room in Derby. | 8th Apr 1936 | Box 90 \ 1 Scan181 | |
| Request to prepare and fit a front anti-roll rod, front springs, and auto-lock front dampers to car B-23-AE. | 23th Apr 1936 | Box 90 \ 1 Scan182 | |
| Observations on brake performance and engine mounting for a Van Vooren Bentley B.23.AE. | 17th Aug 1936 | Box 90 \ 1 Scan183 | |
| Requesting the fitment of a production-form aluminized exhaust system to replace a test mock-up. | 16th Sep 1936 | Box 90 \ 1 Scan184 | |
| Requesting modifications and maintenance on a vehicle's brakes, engine mounting, and drivetrain. | 12th Aug 1937 | Box 90 \ 1 Scan185 | |
| Instruction memo to fit new front brake drums and reline the rear brakes on car B23AE. | 30th Aug 1937 | Box 90 \ 1 Scan186 | |
| Requesting the urgent fitting of a radiator and thermostat scheme to car B.23.AE. | 11th Sep 1937 | Box 90 \ 1 Scan187 | |
| Test report comparing the performance of various propeller shaft dampers on a vehicle. | 7th Sep 1937 | Box 90 \ 1 Scan188 | |
| Special features and oil consumption tests for Bentley cylinder bore wear. | 28th Sep 1937 | Box 90 \ 1 Scan189 | |
| Test results for a Venturi crankcase breather and an analysis of cylinder wear after 6000 miles. | 8th Oct 1937 | Box 90 \ 1 Scan190 | |
| Assembly instructions for unit B-23-AE (B.15). | 8th Oct 1937 | Box 90 \ 1 Scan191 | |
| Confirmation of an experiment to remove the centre bearing of the side shaft in a gearbox. | 11th Oct 1937 | Box 90 \ 1 Scan192 | |
| Request to fit a repaired Marston made Bentley Radiator to a B.23.AE car. | 12th Oct 1937 | Box 90 \ 1 Scan193 | |
| Instruction to dismantle and inspect a slipping clutch and its pedal mechanism. | 21th Oct 1937 | Box 90 \ 1 Scan194 | |
| Internal memorandum requesting an official order be sent to Messrs. Park Ward for work carried out on chassis B.23.AE. | 27th Oct 1937 | Box 90 \ 1 Scan195 | |
| The performance of original and new clutch springs. | 29th Oct 1937 | Box 90 \ 1 Scan196 | |
| Analysis of the projected performance of a proposed streamlined Bentley car. | 29th Oct 1937 | Box 90 \ 1 Scan197 | |
| Calculation of the air resistance coefficient 'K' for the Vanvoonen Streamline Saloon. | 29th Oct 1937 | Box 90 \ 1 Scan198 | |
| Calculations of vehicle horsepower and speed, with a specific comparison to a standard Bentley's efficiency. | 3rd Nov 1937 | Box 90 \ 1 Scan199 | |
| Acknowledging receipt of interesting information regarding the Streamline Bentley. | 3rd Nov 1937 | Box 90 \ 1 Scan200 | |
| Request to send an official order to Messrs. Park Ward Co. for an estimate. | 10th Nov 1937 | Box 90 \ 1 Scan201 | |
| Requesting to fit front aluminium drums to car B.23.AE due to overheating issues with the old iron drums. | 29th Dec 1937 | Box 90 \ 1 Scan202 | |
| Work order for an engine swap between two experimental cars and a damage assessment on one. | 22th Jan 1938 | Box 90 \ 1 Scan203 | |
| Requesting to reline the front and rear foot brakes with 'Top Dog' TSM/B brake lining. | 1st Mar 1938 | Box 90 \ 1 Scan204 | |
| Outlining modifications and part removals for car B.23.AE before its disposal. | 25th Mar 1938 | Box 90 \ 1 Scan205 | |
| List of required work and modifications to be carried out on chassis B.23.AE. | 4th Apr 1938 | Box 90 \ 1 Scan206 | |
| Handover of two cars, 32-EX and B.23.AE, to the Repair Department. | 5th Apr 1938 | Box 90 \ 1 Scan207 | |
| Requesting an assessment of the repair time needed for a car to be made ready for resale. | 12th Apr 1938 | Box 90 \ 1 Scan208 | |
| Potential sale of a car to Mr. W.O. Kennington, including preparation details and a suggested price of £750. | 25th Apr 1938 | Box 90 \ 1 Scan209 | |
| Request to forward missing keys for a car's doors and cubby hole. | 9th Jun 1938 | Box 90 \ 1 Scan210 | |
| Short typed memo regarding missing door and cubby hole keys. | 10th Jun 1938 | Box 90 \ 1 Scan211 | |
| B.5.GA. and W.O. Kennington, referring to a previously sent reply. | 28th Jun 1938 | Box 90 \ 1 Scan212 | |
| Internal request regarding Chassis No. B.5-GA for W.O. Kennington. | 28th Jun 1938 | Box 90 \ 1 Scan213 | |
| Follow-up memo regarding a car delivered to Lillie Hall without keys for the doors and cubby hole. | 27th Jun 1938 | Box 90 \ 1 Scan214 | |
| Short memo confirming a reply has been sent regarding W.O. Kennington. | 28th Jun 1938 | Box 90 \ 1 Scan215 | |
| Short typed memo regarding missing door and cubby hole keys. | 10th Jun 1938 | Box 90 \ 1 Scan216 | |
| Note for the complaint file regarding a customer's comments on Bentley steering and potential guarantee violation. | 7th Aug 1936 | Box 90 \ 2 scan0001 | |
| A complaint case from Capt. Frazer Nash concerning the steering of his car. | 1st Sep 1936 | Box 90 \ 2 scan0002 | |
| Internal correspondence regarding a complaint case for Chassis No. B.102-GA. | 2nd Sep 1936 | Box 90 \ 2 scan0003 | |
| Performance issues and requested modifications for a customer's 4¼-litre Bentley car. | 4th Sep 1936 | Box 90 \ 2 scan0004 | |
| Follow-up on Captain Frazer-Nash's complaint about his car's steering. | 17th Sep 1936 | Box 90 \ 2 scan0005 | |
| Letter of complaint from A.G. Frazer Nash regarding faults on a 4 1/4-litre Bentley chassis No. B.102.GA. | 11th Sep 1936 | Box 90 \ 2 scan0006 | |
| Recent vehicle troubles including a pump replacement, a broken stone guard, and a dynamo charging issue. | 11th Sep 1936 | Box 90 \ 2 scan0007 | |
| Engine performance, propeller shaft shudder, and a detailed critique of the steering system. | 11th Sep 1936 | Box 90 \ 2 scan0008 | |
| Letter providing feedback on a car's steering and handling, comparing its performance to a Bentley. | 11th Sep 1936 | Box 90 \ 2 scan0009 | |
| Closing page of a letter discussing steering and a repaired distributor mushroom. | 11th Sep 1936 | Box 90 \ 2 scan0010 | |
| Internal report on customer complaints and planned service for Mr. A. G. Frazer Nash's Bentley. | 18th Sep 1936 | Box 90 \ 2 scan0011 | |
| Letter to A.G. Frazer Nash regarding faults with steering and idling. | 21th Sep 1936 | Box 90 \ 2 scan0012 | |
| Letter from A.G. Frazer Nash detailing car performance issues including detonation, idling and propeller shaft shudder. | 28th Sep 1936 | Box 90 \ 2 scan0013 | |
| Page 2 of a letter discussing the driving experience and improved acceleration of a 3.5-litre car. | 28th Sep 1936 | Box 90 \ 2 scan0014 | |
| Letter from A. Frazer Nash to Bentley Motors Ltd regarding a detonation issue on car B.102-GA. | 28th Sep 1936 | Box 90 \ 2 scan0015 | |
| Letter to A.G. Fraser Nash suggesting a test with an experimental engineer to investigate a complaint. | 29th Sep 1936 | Box 90 \ 2 scan0016 | |
| Letter discussing a complaint case regarding engine detonation and a defective voltage control unit. | 29th Sep 1936 | Box 90 \ 2 scan0017 | |
| Letter from Bentley Motors to Captain A.G. Frazer Nash regarding issues with Bentley car No. B.102-GA. | 29th Sep 1936 | Box 90 \ 2 scan0018 | |
| Cover note attaching copies of recent correspondence with A.G. Frazer Nash Esq. | 30th Sep 1936 | Box 90 \ 2 scan0019 | |
| Letter from A.G. Frazer Nash agreeing to a suggestion and arranging a meeting with an experimental engineer. | 30th Sep 1936 | Box 90 \ 2 scan0020 | |
| Letter discussing a customer complaint case regarding car alterations and detonation issues. | 1st Oct 1936 | Box 90 \ 2 scan0021 | |
| Letter from A. G. Frazer Nash to Bentley Motors Ltd. summarizing points for vehicle repair and modification. | 30th Sep 1936 | Box 90 \ 2 scan0022 | |
| Letter from A. Frazer Nash discussing transmission shudder issues and arranging a meeting with an engineer. | 2nd Oct 1936 | Box 90 \ 2 scan0023 | |
| Confirming receipt of information regarding A. Frazer Nash's Bentley and a planned visit to the Bentley Depot. | 2nd Oct 1936 | Box 90 \ 2 scan0024 | |
| Response to Capt. A.G. Frazer Nash regarding issues with front axle lean, steering, and engine pinking. | 1st Oct 1936 | Box 90 \ 2 scan0025 | |
| The despatch of parts for Capt. Frazer Nash's car B-102-GA. | 9th Oct 1936 | Box 90 \ 2 scan0026 | |
| Discussions with Capt. Frazer Nash regarding vehicle modifications and faults. | 8th Oct 1936 | Box 90 \ 2 scan0027 | |
| Investigation report into a hissing noise, customer feedback, and a list of parts to be supplied. | 24th Nov 1936 | Box 90 \ 2 scan0028 | |
| Short memo confirming receipt of a satisfactory letter and enclosing a copy of another letter. | 24th Nov 1936 | Box 90 \ 2 scan0029 | |
| Letter from A. Frazer Nash to Bentley Motors regarding the performance of chassis B.102.GA after improvements. | 19th Nov 1935 | Box 90 \ 2 scan0030 | |
| Inquiring about special modifications made to Captain Fraser Nash's car, chassis B.102-GA. | 11th May 1937 | Box 90 \ 2 scan0031 | |
| Referring to a previous report sent to Capt. Fraser Nash. | 19th May 1937 | Box 90 \ 2 scan0032 | |
| Owner's complaint report for a Bentley 4 1/4 litre Park Ward Saloon regarding a rear axle failure. | 24th Jul 1937 | Box 90 \ 2 scan0033 | |
| Propaganda opportunity involving Geoffrey Smith testing a Bentley. | 9th Aug 1933 | Box 90 \ 2 scan0034 | |
| Axle tube failure on a Bentley car at Chateauroux and arranging a replacement car for a demonstration. | 10th Aug 1933 | Box 90 \ 2 scan0035 | |
| Confirming arrangements for borrowing an Open Touring car. | 22th Sep 1933 | Box 90 \ 2 scan0036 | |
| Confirmation memo regarding an open Bentley car's arrival at Conduit Street. | 23th Sep 1933 | Box 90 \ 2 scan0037 | |
| Requesting remarks on attached correspondence concerning Mr. Geoffrey Smith. | 2nd Jun 1934 | Box 90 \ 2 scan0038 | |
| Customer's feedback on clutch judder and carburetter flooding. | 30th May 1934 | Box 90 \ 2 scan0039 | |
| Letter detailing performance feedback on a Bentley after a 1600-mile rally, noting issues with clutch judder and carburettor flooding. | 29th May 1934 | Box 90 \ 2 scan0040 | |
| Page 2 of a letter from Geoffrey Smith, relaying a message from Charles A. Cochrane regarding his Bentley. | 5th Jun 1934 | Box 90 \ 2 scan0041 | |
| Issues with a Bentley's lighter flywheel causing clutch judder and a problem with carburetter flooding. | 5th Jun 1934 | Box 90 \ 2 scan0042 | |
| Technical memorandum discussing synchromesh noise and float chamber needle issues. | 8th Jun 1934 | Box 90 \ 2 scan0043 | |
| Cover note referencing a letter from Mr. Geoffrey Smith regarding gear ratios. | 1st Oct 1934 | Box 90 \ 2 scan0044 | |
| The performance of a Bentley after a 9,000-mile trip through Europe, detailing issues with gearing, suspension, steering, and brakes. | 27th Sep 1934 | Box 90 \ 2 scan0045 | |
| Letter from Geoffrey Smith detailing feedback and criticisms of a Bentley after a Continental trip. | 2nd Oct 1934 | Box 90 \ 2 scan0046 | |
| Feedback on a Bentley's brakes and an oil leakage issue. | 2nd Oct 1934 | Box 90 \ 2 scan0047 | |
| Request for comments on a letter from Mr. Geoffrey Smith. | 20th Nov 1934 | Box 90 \ 2 scan0048 | |
| Responding to Mr. Geoffrey Smith's criticisms of his Bentley car, addressing suspension, steering, brakes, and ground clearance. | 21th Nov 1934 | Box 90 \ 2 scan0049 | |
| Resolutions for issues concerning front wing movement, clutch, and exhaust system noise. | 21th Nov 1934 | Box 90 \ 2 scan0050 | |
| Potential cures for a customer's car, referencing another vehicle's 10,000-mile run. | 22th Nov 1934 | Box 90 \ 2 scan0051 | |
| Potential fix for Mr. Geoffrey Smith's car, B-67-AE, involving new axle shafts. | 22th Nov 1934 | Box 90 \ 2 scan0052 | |
| Requesting remarks on an attached document concerning lead bronze bearings for Mr. Geoffrey Smith's car. | 12th Aug 1935 | Box 90 \ 2 scan0053 | |
| Service, drop-off, and collection arrangements for a customer's car. | 9th Aug 1935 | Box 90 \ 2 scan0054 | |
| Cover note discussing changing a customer's car back to the old type of bearings. | 17th Oct 1935 | Box 90 \ 2 scan0055 | |
| Letter regarding oil consumption and engine noise issues for Mr. Geoffrey Smith's car, chassis NoB-IIO-DG. | 11th Nov 1935 | Box 90 \ 2 scan0056 | |
| Customer's car with high oil consumption and noise issues when cold. | 13th Nov 1935 | Box 90 \ 2 scan0057 | |
| Confirming test completion for Mr. Geoffrey Smith's car, chassis B-110-DG. | 18th Nov 1935 | Box 90 \ 2 scan0058 | |
| Letter from Geoffrey Smith to W. A. Robotham regarding high oil consumption in a car. | 27th Nov 1935 | Box 90 \ 2 scan0059 | |
| Letter to Geoffrey Smith of Messrs. Iliffe & Sons Ltd. regarding arrangements to receive his car for six working days. | 2nd Dec 1935 | Box 90 \ 2 scan0060 | |
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