| Description | Date | Identifier | |
| Test report detailing faults and observations on a vehicle's luggage grid, lights, facia board, spare wheel carriers, and wing stays, including performance metrics. | 1st Aug 1934 | Box 11 \ 5 05-page125 | |
| Cover page indicating the commencement date of a test. | 1st Aug 1934 | Box 11 \ 5 05-page126 | |
| List of agreed modifications for the Phantom 11 T.2 series production chassis following a 10,000-mile test. | 20th Apr 1934 | Box 11 \ 5 05-page127 | |
| Listing proposed design changes for the T.S series and noting production holds on other components. | 19th Apr 1934 | Box 11 \ 5 05-page128 | |
| On parts affected by a luggage grid, dynamo pinions, and aligning Phantom failures with the Bentley. | 20th Apr 1934 | Box 11 \ 5 05-page129 | |
| Requesting an update on the status and future programme for test car 28-EX. | 16th May 1934 | Box 11 \ 5 05-page130 | |
| Confirming instructions to fit a double petrol pump on the steering column. | 17th May 1934 | Box 11 \ 5 05-page131 | |
| Request to have a new set of Magneto Wires fitted to a car to replace damaged ones. | 17th May 1934 | Box 11 \ 5 05-page132 | |
| Requesting a cylinder head change on the 28-EX model, replacing the Vulture head with a standard one. | 23th May 1934 | Box 11 \ 5 05-page133 | |
| Instruction to fit a standard camshaft (E.78318) to a 10,000 mile Phantom, chassis 28-EX. | 28th May 1934 | Box 11 \ 5 05-page134 | |
| Required work on the Phantom, 20/25, and Bentley models for the 10,000-mile trial cars. | 9th Jun 1934 | Box 11 \ 5 05-page135 | |
| The status of parts for 10,000-mile test cars, a Phantom 28-EX and a 20/25 HP 21-G-IV. | 8th Jun 1934 | Box 11 \ 5 05-page136 | |
| Numbered list of points regarding Bentley components and a query about a replacement part. | 8th Jun 1934 | Box 11 \ 5 05-page137 | |
| Modifications to the petrol system on the 28-EX model to address issues with heat and vapour trouble. | 13th Jun 1934 | Box 11 \ 5 05-page138 | |
| Single valve spring with 85 lbs seat load for the Phantom II - 28-EX. | 15th Jun 1934 | Box 11 \ 5 05-page139 | |
| Oil filter for auto-adjusting tappets on a Phantom II - 28-EX. | 16th Jun 1934 | Box 11 \ 5 05-page140 | |
| Request to fit a 12/41 axle ratio to car 28-EX. | 18th Jun 1934 | Box 11 \ 5 05-page141 | |
| Request to dismantle and modify the gearbox on car 28-EX due to synchromesh issues. | 5th Jul 1934 | Box 11 \ 5 05-page142 | |
| Instructions for modifications to Phantom Unit No. 28 for a 10,000-mile test. | 9th Jul 1934 | Box 11 \ 5 05-page143 | |
| Modifications for the 28-EX, 10,000 Miles car, before sending it to France. | 27th Jul 1934 | Box 11 \ 5 05-page144 | |
| Letter discussing testing, performance, and components for experimental cars 28-EX, 27-EX, and 21-GLV. | 10th Aug 1934 | Box 11 \ 5 05-page145 | |
| Letter regarding specifications and modifications for silent tappets on vehicle 28-EX. | 10th Aug 1934 | Box 11 \ 5 05-page146 | |
| Specification for silent tappets fitted on engine 28-EX. | 10th Aug 1934 | Box 11 \ 5 05-page147 | |
| Letter reporting various faults with a car after a road test in France, including issues with brakes, clutch, gearbox, and a sticking throttle. | 13th Aug 1934 | Box 11 \ 5 05-page148 | |
| Clutch modifications to reduce 'jaggering', the status of the crashed Paris Trials car, and observations on wing movement. | 23th Aug 1934 | Box 11 \ 5 05-page149 | |
| Wing breakages on Park Ward bodies and arguing against using controllable dampers on the Bentley. | 24th Aug 1934 | Box 11 \ 5 05-page150 | |
| Maximum speed tests at Montlherry track comparing performance with and without hydraulic adjustable rockers. | 24th Aug 1934 | Box 11 \ 5 05-page151 | |
| Serious steering control failure on the Phantom II test car (40/50 - 28-EX) following heavy braking. | 4th Sep 1934 | Box 11 \ 5 05-page152 | |
| Engine mounting issues and proposed solutions for the 10,000 Mile Test Car 40/50 - 28-EX. | 5th Sep 1934 | Box 11 \ 5 05-page153 | |
| Proposal to adopt the rear rubber mounting on the P.2 for the Bentley. | 5th Sep 1934 | Box 11 \ 5 05-page154 | |
| Multiple severe faults found during the testing of the 28-EX car, specifically its steering, clutch, gearbox and engine. | 7th Sep 1934 | Box 11 \ 5 05-page155 | |
| Questioning the continuation of car testing as two key production improvements are not feasible. | 7th Sep 1934 | Box 11 \ 5 05-page156 | |
| The performance of a gearbox after 10,000 miles, detailing issues with gear engagement and synchronization. | 11th Sep 1934 | Box 11 \ 5 05-page157 | |
| Issues with exhaust valve seatings in a cylinder head, leading to loss of compression. | 11th Sep 1934 | Box 11 \ 5 05-page158 | |
| Test report on engine anchorage modifications and their effects on steering, engine vibration, and clutch engagement. | 12th Sep 1934 | Box 11 \ 5 05-page159 | |
| List of repairs and adjustments being carried out on car 28-EX in France. | 12th Sep 1934 | Box 11 \ 5 05-page160 | |
| Test report on the performance of front engine mounting, steering, and clutch. | 13th Sep 1934 | Box 11 \ 5 05-page161 | |
| Requesting a trunk call to discuss a report on the 15,000 miles test of car 28-EX. | 13th Sep 1934 | Box 11 \ 5 05-page162 | |
| Letter to G.W. Hancock in France discussing test results and modifications related to torque reaction dampers on the Phantom and 20/25 models. | 17th Sep 1934 | Box 11 \ 5 05-page163 | |
| 10,000-mile report on car 28-EX, detailing engine performance and flexible engine mounting tests. | 18th Sep 1934 | Box 11 \ 5 05-page164 | |
| Condition of various engine and chassis components after 10,000 miles of use. | 18th Sep 1934 | Box 11 \ 5 05-page165 | |
| Test report on the performance of the radiator, propeller shaft, and steering components. | 5th Jul 1934 | Box 11 \ 5 05-page166 | |
| Gearbox modifications, hydraulic damper performance, and the rear stabiliser. | 5th Jul 1934 | Box 11 \ 5 05-page167 | |
| Vehicle performance and maintenance, covering issues with brakes, rear axle oil leaks, and road springs. | 5th Jul 1934 | Box 11 \ 5 05-page168 | |
| Inspection report detailing wear, faults, and performance of various vehicle components like axles, springs, fuel tank, and wheel carriers. | 5th Jul 1934 | Box 11 \ 5 05-page169 | |
| Headlamp failures, performance statistics, and tyre wear for a Limousine by Park-Ward. | 5th Jul 1934 | Box 11 \ 5 05-page170 | |
| Inspection report detailing the condition and faults of various vehicle components including the axle, springs, and fuel tank. | 5th Jul 1934 | Box 11 \ 5 05-page171 | |
| Condition and faults found on various vehicle components including the bonnet, fan, and brakes. | 5th Jul 1934 | Box 11 \ 5 05-page172 | |
| The performance of various electrical system components, including the dynamo, starter, ignition and lamps. | 5th Jul 1934 | Box 11 \ 5 05-page173 | |
| Headlamp faults and performance data for a Park-Ward Limousine. | 20th Sep 1934 | Box 11 \ 5 05-page174 | |
| Engine support, torque reaction dampers, and front tyre wear. | 20th Sep 1934 | Box 11 \ 5 05-page175 | |
| The inability to fit a standard silencer due to a lack of staybrite welding material. | 25th Sep 1934 | Box 11 \ 5 05-page176 | |
| Letter to G.W. Hancock discussing a customer complaint in Belgium, the Paris Salon, and Bentley trials. | 25th Sep 1934 | Box 11 \ 5 05-page177 | |
| Acquiring Staybrite welding wire and the subsequent fitting of a standard silencer. | 26th Sep 1934 | Box 11 \ 5 05-page178 | |
| Telegram from Hancock to Hives regarding welding silencer parts, travel difficulties to Brussels, wages and a request for return vouchers. | 27th Sep 1934 | Box 11 \ 5 05-page179 | |
| Telex message regarding delayed wages and a Bentley test in France. | 27th Sep 1934 | Box 11 \ 5 05-page180 | |
| Letter detailing car repair issues, logistical challenges with vouchers, and scheduling problems for staff in France. | 27th Sep 1934 | Box 11 \ 5 05-page181 | |
| Results of flexible engine mounting on the 28-EX and proposing a new trial on the 20/25 model. | 27th Sep 1934 | Box 11 \ 5 05-page182 | |
| Results of tests on different front engine mounting configurations to resolve vibration issues. | 25th Sep 1934 | Box 11 \ 5 05-page183 | |
| Postponed trip to France due to a diversion to Belgium to investigate a customer complaint. | 28th Sep 1934 | Box 11 \ 5 05-page184 | |
| Letter to G.W. Hancock confirming travel arrangements and arrival times in France. | 28th Sep 1934 | Box 11 \ 5 05-page185 | |
| Test report on a vehicle's performance, noting issues with snout noise, breaking bolts on spare wheel brackets, and body rattles. | 29th Sep 1934 | Box 11 \ 5 05-page186 | |
| Typed message to Hancock in France concerning railway vouchers. | 29th Sep 1934 | Box 11 \ 5 05-page187 | |
| Visit to the 1934 Paris Show and a test drive of the 28-EX car after completing a 15,000-mile test. | 9th Oct 1934 | Box 11 \ 5 05-page188 | |
| Comparison of the 3.3 Litre Bugatti, Bentley, and V.8 Ford, with notes on performance and design. | 9th Oct 1934 | Box 11 \ 5 05-page189 | |
| Observations on Citroen's unibody design, American coachwork evolution, and Mathis' independent rear suspension. | 9th Oct 1934 | Box 11 \ 5 05-page190 | |
| Request for the results of a 15,000-mile test on car 28-EX to determine which items can be standardised. | 9th Oct 1934 | Box 11 \ 5 05-page191 | |
| The working conditions of a gearbox after 10,000 miles, detailing issues with downshifting from 3rd to 2nd gear. | 11th Sep 1934 | Box 11 \ 5 05-page192 | |
| Expressing concern over the 15,000-mile test of car 28-EX, its rubber mountings, steering, and road holding qualities. | 12th Oct 1934 | Box 11 \ 5 05-page193 | |
| Final report and test results for the 28-EX experimental car, comparing it to other models and deciding against standardizing an anti-roll rod. | 13th Oct 1934 | Box 11 \ 5 05-page194 | |
| Test report on different engine mounting configurations and their effects on steering, clutch, and vibrations. | 14th Sep 1934 | Box 11 \ 5 05-page195 | |
| Test report detailing the results of modifications to engine mountings and torque reaction dampers. | 15th Oct 1934 | Box 11 \ 5 05-page196 | |
| Modifications to the rear shock damper control rod on the Phantom model. | 15th Oct 1934 | Box 11 \ 5 05-page197 | |
| Tests conducted on different front engine mounting configurations and their effects on vehicle performance. | 15th Oct 1934 | Box 11 \ 5 05-page198 | |
| Test report on engine mounting modifications to reduce vibration and improve steering. | 15th Oct 1934 | Box 11 \ 5 05-page199 | |
| Inspection report on a dismantled cylinder head detailing valve condition and issues with broken split rings. | 17th Oct 1934 | Box 11 \ 5 05-page200 | |
| Test report detailing brake issues, including seizure and juddering, on car 28-EX. | 22th Oct 1934 | Box 11 \ 5 05-page201 | |
| Issues with front axle anchorage, servo brake, axle judder, and petrol pump following a 10,000-mile test. | 22th Oct 1934 | Box 11 \ 5 05-page202 | |
| Various mechanical issues and observations on a vehicle, including pumps, gearbox, and engine performance. | 22th Oct 1934 | Box 11 \ 5 05-page203 | |
| Responding to issues with brakes, petrol pumps, and gearbox on a test car. | 23th Oct 1934 | Box 11 \ 5 05-page204 | |
| Proposing modifications to the Front Axle Control for model 28-EX to address component wear. | 23th Oct 1934 | Box 11 \ 5 05-page205 | |
| Feedback notes on a road test of the 40/50 HP Chassis 28-EX. | 12th Nov 1934 | Box 11 \ 5 05-page206 | |
| Request to fit a new silent tappet head to car 28-EX overnight. | 19th Nov 1934 | Box 11 \ 5 05-page207 | |
| List of ground clearances for the 28-EX model when both axles are clamped to the buffers. | 23th Nov 1934 | Box 11 \ 5 05-page208 | |
| Cancelling a request for axle gears and ordering a different pair due to noise issues and for testing a new lubricant. | 23th Nov 1934 | Box 11 \ 5 05-page209 | |
| Engine unit Phantom II No. 28 (28-EX) after a 15,000-mile test, detailing performance and modifications. | 7th May 1935 | Box 11 \ 5 05-page210 | |
| The performance of various vehicle components including the oil filter, pistons, pedals, clutch, and carburetter. | 7th Mar 1935 | Box 11 \ 5 05-page211 | |
| Tests and modifications to a crankcase breather, radiator, propeller shaft, and steering column. | 7th Mar 1935 | Box 11 \ 5 05-page212 | |
| The performance of steering tubes and the gearbox, including notes on modifications and test results. | 7th May 1935 | Box 11 \ 5 05-page213 | |
| Modifications and performance of hydraulic dampers, stabiliser, and brakes. | 7th Aug 1935 | Box 11 \ 5 05-page214 | |
| Test report detailing the condition of front and rear axles and road springs. | 7th Mar 1936 | Box 11 \ 5 05-page215 | |
| Faults and observations on various vehicle components including the petrol tank, exhaust, wheel carriers, bonnet, and engine guards. | 7th Mar 1935 | Box 11 \ 5 05-page216 | |
| Condition report on various vehicle components including brakes, coupling, fan, and electrical systems. | 7th Mar 1935 | Box 11 \ 5 05-page217 | |
| Performance and failures of various electrical components including ignition systems, battery, and headlamps. | 7th Mar 1935 | Box 11 \ 5 05-page218 | |
| Failures of the S.U. petrol pump and bodywork issues on a limousine by Park Ward. | 7th May 1935 | Box 11 \ 5 05-page219 | |
| From Sg. to Hs. regarding the delayed 15,000-mile test report for car 28-EX. | 12th Mar 1935 | Box 11 \ 5 05-page220 | |
| Responding to a query about a missing final report for car 28-EX following tests in France. | 13th Mar 1935 | Box 11 \ 5 05-page221 | |
| Development of a new lighter front axle and steering arrangements for a chassis. | 25th Nov 1925 | Box 12 \ 1 01-page001 | |
| The front axle, detailing differences for well-base and standard wheels, and two axle forging options for different track widths. | 27th Nov 1925 | Box 12 \ 1 01-page002 | |
| Dispatching schedule N.sch. 2095, detailing clearances for the front axle's brake rod and steering lever. | 27th Nov 1925 | Box 12 \ 1 01-page003 | |
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