| Description | Date | Identifier | |
| Vehicle modifications and testing strategy for a P. 2. 10,000-mile trial. | 30th May 1931 | Box 14 \ 5 Scan207 | |
| Page 2 of a memo discussing a torque reaction damper and brake design experiments. | 30th May 1931 | Box 14 \ 5 Scan208 | |
| Original drawing (LeC. 2911) for the P. 2. Diamond Engine mounting. | 30th May 1931 | Box 14 \ 5 Scan209 | |
| Scheme for a starting handle shaft for the Diamond engine mounting. | 1st Aug 1931 | Box 14 \ 5 Scan210 | |
| Experiments with engine mounting and torque arm configurations for the Phantom II. | 2nd Jun 1931 | Box 14 \ 5 Scan211 | |
| Urgent need to prove the principles of the Dismon Mounting for a 10,000-mile trial. | 2nd Jun 1931 | Box 14 \ 5 Scan212 | |
| Fitting of a new Diamond Engine Mounting suspension to Chassis 25-EX for testing. | 4th Jun 1931 | Box 14 \ 5 Scan213 | |
| Test report on a car's vibration, bonnet, frame, and steering issues, with proposed solutions involving dampers and engine mounting. | 8th Jun 1931 | Box 14 \ 5 Scan214 | |
| Phantom II W.W. conversion scheme, a 10,000 mile test, and issues with a diamond mounting causing 'excessive jellying'. | 6th Jun 1931 | Box 14 \ 5 Scan215 | |
| Phantom II conversion scheme, detailing different engine mounting configurations and plans for road testing in France. | 9th Jun 1931 | Box 14 \ 5 Scan216 | |
| Test report for a 25-EX car fitted with a modified engine suspension, evaluating retard boom, torque reaction, and frame stability. | 9th Jun 1931 | Box 14 \ 5 Scan217 | |
| Tests to ascertain and eliminate bonnet movement on the Phantom II model. | 18th Jun 1931 | Box 14 \ 5 Scan218 | |
| Diagram showing bonnet movement measurements in thousandths of an inch under chassis twist conditions for various engine mounting configurations. | 18th Jun 1931 | Box 14 \ 5 Scan219 | |
| Issue of blueprints for Phantom II Frames and Fittings, specifically plates for the rear engine foot. | 18th Jun 1931 | Box 14 \ 5 Scan220 | |
| The function and fitting of rear feet for a Diamond engine mounting. | 25th Jun 1931 | Box 14 \ 5 Scan221 | |
| Urgently requesting a design for a side spare wheel carrier stay for cars with a diamond engine mounting. | 25th Jun 1931 | Box 14 \ 5 Scan222 | |
| Requesting arrangements to test a new 40/50 engine mounting. | 29th Jun 1931 | Box 14 \ 5 Scan223 | |
| Test report on jellying, torque reaction, booms, and the effect on steering by different loads on the front torque reaction dampers. | 4th Jul 1931 | Box 14 \ 5 Scan224 | |
| Test report detailing the effects of torque reaction dampers on vehicle performance, vibrations, and comfort. | 4th Jul 1931 | Box 14 \ 5 Scan225 | |
| Test report detailing vehicle booms, wing vibrations, and steering performance under various conditions. | 4th Jul 1931 | Box 14 \ 5 Scan226 | |
| Results of the 5th test on torque reaction dampers, booms, steering and wing jellyfying. | 20th Jul 1931 | Box 14 \ 5 Scan227 | |
| Provision of stiffer washers for friction dampers on a P.2. conversion mounting. | 20th Jul 1931 | Box 14 \ 5 Scan228 | |
| Modifications to an engine's conversion mounting for improved rigidity and testing. | 24th Jul 1931 | Box 14 \ 5 Scan229 | |
| Note on the replacement of a torque reaction damper spring for Phantom II conversion mountings. | 1st Aug 1931 | Box 14 \ 5 Scan230 | |
| Modification to the lower water pipe to improve drainage and prevent ice from damaging the water pump. | 1st Aug 1931 | Box 14 \ 5 Scan231 | |
| Designing damper discs with 30% larger area for a P.2 conversion mounting to address a knocking issue. | 8th Mar 1931 | Box 14 \ 5 Scan232 | |
| Issues with new plates and old fabrics in reaction dampers, suggesting design improvements. | 13th Aug 1931 | Box 14 \ 5 Scan233 | |
| Letter discussing the removal of rear engine feet on a 40/50 HP car, the resulting improvements, and subsequent safety concerns. | 2nd Sep 1931 | Box 14 \ 5 Scan234 | |
| Proposal to test bumper brackets for mounting spare wheels to address a flapping issue. | 3rd Sep 1931 | Box 14 \ 5 Scan235 | |
| Strength of rear engine mounting bolts and recommending a conversion to the Diamond engine mounting system for the 40/50 HP car, 58-GN. | 3rd Sep 1931 | Box 14 \ 5 Scan236 | |
| Standardizing the 'diamond' engine mounting and its application on models 58-GN and 25-EX. | 8th Sep 1931 | Box 14 \ 5 Scan237 | |
| Design and testing of Diamond engine mountings for the 40/50 HP engine, chassis 58-GN. | 9th Sep 1931 | Box 14 \ 5 Scan238 | |
| The conversion to P.2. Diamond Mounting. | 10th Sep 1931 | Box 14 \ 5 Scan239 | |
| Diamond engine mounting design and scheduling of work on chassis 58-GN. | 10th Sep 1931 | Box 14 \ 5 Scan240 | |
| Test result memo detailing engine timing adjustments to reduce torque reaction vibrations. | 25th Sep 1931 | Box 14 \ 5 Scan241 | |
| Re-standardisation of the diamond mounting on the Phantom II and the resulting need for frame reinforcement. | 25th Sep 1931 | Box 14 \ 5 Scan242 | |
| Instructions for modifications to the spare wheel carrier and diamond engine mounting. | 5th Oct 1931 | Box 14 \ 5 Scan243 | |
| Technical memorandum regarding radiator mounting for a Phantom II with a Diamond Engine. | 22th Oct 1931 | Box 14 \ 5 Scan244 | |
| Specifications for the Diamond Mounting Phantom II torque reaction damper poundage. | 7th Nov 1931 | Box 14 \ 5 Scan245 | |
| Manufacturing tolerances and parts for the Phantom II radiator suspension with diamond engine mounting. | 7th Nov 1931 | Box 14 \ 5 Scan246 | |
| Plunger modification, frame deflection, and urging a meeting to resolve delays in chassis testing. | 7th Nov 1931 | Box 14 \ 5 Scan247 | |
| The important points of the Diamond engine mounting system. | 13th Nov 1931 | Box 14 \ 5 Scan248 | |
| Design and issues of the Diamond engine mounting. | 16th Nov 1931 | Box 14 \ 5 Scan249 | |
| The use of diamond mounting on car bodies not built on sub-frames and the potential loss of frame stiffness. | 16th Nov 1931 | Box 14 \ 5 Scan250 | |
| Procedure and difficulties of removing the wheelcase with different engine damper schemes. | 7th Nov 1931 | Box 14 \ 5 Scan251 | |
| Modifications for the Phantom II Diamond Engine Mounting. | 20th Nov 1931 | Box 14 \ 5 Scan252 | |
| Modifications to the conversion mounting due to issues with the increased size of torque dampers. | 30th Nov 1931 | Box 14 \ 5 Scan253 | |
| Potential issues with chassis having diamond mounted engines and bodies without sub-frames. | 30th Nov 1931 | Box 14 \ 5 Scan254 | |
| Technical note on a Diamond Mounting solution for dampers, avoiding additions to existing forgings. | 1st Nov 1931 | Box 14 \ 5 Scan255 | |
| Diamond engine mounting, comparing Phantom I and Phantom II frame stiffness and discussing the use of subframes. | 1st Dec 1931 | Box 14 \ 5 Scan256 | |
| Standardisation of a diamond engine mounting to overcome complaints of booms in the body. | 22th Sep 1931 | Box 14 \ 5 Scan257 | |
| Standardisation of a chassis part, including costs and implementation details. | 23th Nov 1928 | Box 14 \ 5 Scan258 | |
| Production issues with the 40/50 HP Phantom Chassis Diamond Mounting. | 7th Dec 1931 | Box 14 \ 5 Scan259 | |
| Fitting new parts to address issues with the diamond mounting on a 40/50 HP chassis. | 8th Dec 1931 | Box 14 \ 5 Scan260 | |
| Clearance and fit for the rubbers on the Phantom II rear engine feet. | 23th Dec 1931 | Box 14 \ 5 Scan261 | |
| Issue with brake ropes fouling a cross member on diamond engine mounted cars. | 30th Dec 1931 | Box 14 \ 5 Scan262 | |
| Fouling issue with the 25 HP brake ropes and cross member. | 22th Sep 1931 | Box 14 \ 5 Scan263 | |
| Standardisation of chassis parts, specifically Torque Reaction Dampers. | 22th Sep 1931 | Box 14 \ 5 Scan264 | |
| Logistics and costs for fitting a new part to a chassis. | 21th Sep 1931 | Box 14 \ 5 Scan265 | |
| Standardisation of the bottom water pipe from radiator to pump for a diamond mounted engine. | 21th Sep 1931 | Box 14 \ 5 Scan266 | |
| Standardisation of chassis parts, including fitting, testing and cost information. | 8th Jan 1932 | Box 14 \ 5 Scan267 | |
| Immovable torque reaction damper from a 40/50HP Chassis and comparing the issue to one found in Silver Ghost clutches. | 8th Jan 1932 | Box 14 \ 5 Scan268 | |
| The testing of special friction discs for Phantom Torque Reaction Dampers. | 23th Feb 1932 | Box 14 \ 5 Scan269 | |
| Grease contamination of the rubbers used in the Phantom II radiator control. | 25th Feb 1932 | Box 14 \ 5 Scan270 | |
| Increasing the poundage on friction engine dampers for the P.2 Diamond Engine Mounting. | 8th Mar 1932 | Box 14 \ 5 Scan271 | |
| Suggestion to increase the poundage on friction engine dampers for the P.2 Diamond Engine Mounting using alternative springs. | 8th Mar 1932 | Box 14 \ 5 Scan272 | |
| Analysis of bodywork cracking on a continental touring saloon, discussing the effects of diamond engine mounting on chassis rigidity. | 16th Mar 1932 | Box 14 \ 5 Scan273 | |
| Chassis distortion and the torsional flexibility effects of using diamond engine mounting. | 1st Apr 1932 | Box 14 \ 5 Scan274 | |
| Internal memorandum requesting an order for 12 diabolo rubbers for P.2 front engine feet. | 1st Apr 1932 | Box 14 \ 5 Scan275 | |
| Modifications to the engine mounting for the 39th series chassis onwards, including changes to rubbers and pads. | 11th Apr 1932 | Box 14 \ 5 Scan276 | |
| Procedural note on engine mounting, detailing adjustments for frame deflection using packing washers and feelers. | 11th Apr 1932 | Box 14 \ 5 Scan277 | |
| Recommending that torque reaction damper fabrics be soaked in oil to prevent creaking and knocking. | 3rd May 1932 | Box 14 \ 5 Scan278 | |
| Road tests conducted in France for chassis 60.JS, focusing on radiator and body movement. | 14th Jul 1932 | Box 14 \ 5 Scan279 | |
| Results of road tests observing component movement and stability. | 14th Jul 1932 | Box 14 \ 5 Scan280 | |
| Test report detailing the results of vehicle stability tests (Test 3 and 4) under various damper settings. | 14th Jul 1932 | Box 14 \ 5 Scan281 | |
| Results of rough road tests on vehicle components and handling. | 14th Jul 1932 | Box 14 \ 5 Scan282 | |
| Test results concerning radiator movement, steering joggles, and torque reaction dampers, with observations on wing construction. | 14th Jul 1932 | Box 14 \ 5 Scan283 | |
| Conclusions of a report on tests involving an engine-mounted radiator, discussing oscillation, damping, and steadiness. | 12th Aug 1932 | Box 14 \ 5 Scan284 | |
| Standardisation of a spring for torque reaction dampers. | 12th Aug 1932 | Box 14 \ 5 Scan285 | |
| Form to document the introduction of a new part, including costs and chassis allocation. | 26th Sep 1929 | Box 14 \ 5 Scan286 | |
| Redesigned torque reaction damper for the Phantom II to fix a knocking noise. | 14th Nov 1932 | Box 14 \ 5 Scan287 | |
| Design, materials, and functional requirements for torque reaction dampers. | 11th Jun 1932 | Box 14 \ 5 Scan288 | |
| Scheme for preventing knocking noises in Phantom II torque reaction dampers. | 7th Dec 1932 | Box 14 \ 5 Scan289 | |
| Proposing to apply the Terraplane engine mounting to the Phantom and requesting a sketch for scaled-up engine rubbers. | 4th May 1934 | Box 14 \ 5 Scan290 | |
| Experimental schemes for a Phantom flexible engine mounting. | 25th May 1934 | Box 14 \ 5 Scan291 | |
| Proposal to allot car 22-EX for the first set of parts for the Phantom II Terraplane Engine Mounting. | 26th May 1934 | Box 14 \ 5 Scan292 | |
| Conclusions from flexible engine mounting tests, discussing clutch performance and issues arising from increased smoothness. | 11th Jun 1934 | Box 14 \ 5 Scan293 | |
| Confirming the transfer of rubber moulds to British Goodrich for Ph.II engine mounting. | 18th Jun 1934 | Box 14 \ 5 Scan294 | |
| The Phantom Flexible Engine Mounting, sending drawing LeC.4042 for experimental testing. | 20th Jul 1934 | Box 14 \ 5 Scan295 | |
| Suggested covers for rubber engine mountings on the 20/25 & Phantom models. | 25th Jul 1934 | Box 14 \ 5 Scan296 | |
| Urgent memo regarding new drawings for the Phantom II's flexible engine mounting water connections. | 31th Jul 1934 | Box 14 \ 5 Scan297 | |
| Rubber engine mountings for the Phantom II, listing part numbers and their equivalents. | 28th Aug 1934 | Box 14 \ 5 Scan298 | |
| Modification to the Phantom Front Engine Rubbers. | 30th Aug 1934 | Box 14 \ 5 Scan299 | |
| Requesting the preparation of necessary parts for the Phantom II front engine rubbers scheme for car 28-EX. | 11th Sep 1934 | Box 14 \ 5 Scan300 | |
| Modifications required for the 40/50 rubber engine mounting. | 20th Sep 1934 | Box 14 \ 5 Scan301 | |
| Request for a modification scheme for a rubber engine mounting on a 40/50 HP chassis. | 22th Sep 1934 | Box 14 \ 5 Scan302 | |
| Phantom II engine mounting, comparing its behavior to the 20/25 model regarding torque reaction. | 27th Sep 1934 | Box 14 \ 5 Scan303 | |
| Results of flexible engine mounting tests and proposing a new trial on the 20/25 model. | 27th Sep 1934 | Box 14 \ 5 Scan304 | |
| The results of verifying different front engine mounting configurations to address clutch jaggers and vibrations. | 25th Sep 1934 | Box 14 \ 5 Scan305 | |
| Tests to find out the twisting and movement of the rear axle. | 15th Oct 1934 | Box 14 \ 5 Scan306 | |
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