| Description | Date | Identifier | |
| Complaints and an investigation into faulty steering on trials car 1.LW. | 26th Jan 1920 | Box 78 \ 2 scan0219 | |
| Unstable steering issues, particularly when driving on tram lines, and proposed modifications to the rear suspension. | 26th Jan 1920 | Box 78 \ 2 scan0220 | |
| Follow-up inquiry to a customer in France regarding damaged shock absorber parts and a request for a vehicle condition report. | 26th Jan 1920 | Box 78 \ 2 scan0221 | |
| Steering of cars at high speeds, considering factors like rear springs, body type, and weight distribution. | 27th Jan 1920 | Box 78 \ 2 scan0222 | |
| Suspension, steering geometry, and wheel wobble on a racing car. | 27th Jan 1920 | Box 78 \ 2 scan0223 | |
| Modifications to the rear springs and steering system to prevent rolling and improve control. | 27th Jan 1920 | Box 78 \ 2 scan0224 | |
| Front shock absorber ball ends coming loose on two different chassis during road testing and use. | 27th Jan 1920 | Box 78 \ 2 scan0225 | |
| Letter discussing the mysterious failure of a shock absorber lever and requesting details on the incident. | 28th Jan 1920 | Box 78 \ 2 scan0226 | |
| Instructions for testing shock absorbers and addressing steering control issues with clips and plates on the rear spring. | 6th Aug 1919 | Box 78 \ 2 scan0227 | |
| Letter discussing vehicle testing, mileage targets, piston knock issues, and a comparison with another vehicle. | 6th Aug 1919 | Box 78 \ 2 scan0228 | |
| Typed memo discussing a shock absorber lever failure and the logistics of getting replacement parts. | 28th Jan 1920 | Box 78 \ 2 scan0229 | |
| Instructions for T.H. Maddocks regarding the transport of car 2.EX to Nice for springing trials. | 28th Jan 1920 | Box 78 \ 2 scan0230 | |
| Status report on the components of the 2.EX Chassis, detailing wear, performance, and mileage. | 28th Jan 1920 | Box 78 \ 2 scan0231 | |
| Issues with rear shock absorbers, including loosening levers and bolt stretching on test rigs and a car. | 2nd Feb 1920 | Box 78 \ 2 scan0232 | |
| High workload on rear shock absorbers and the potential to reduce friction by abandoning split springs. | 2nd Feb 1920 | Box 78 \ 2 scan0233 | |
| Letter discussing vehicle handling issues with shock absorbers and investigating an elusive engine knock. | 2nd Feb 1920 | Box 78 \ 2 scan0234 | |
| Typed letter page about an engine complaint that occurs at low speeds without load. | 6th Aug 1919 | Box 78 \ 2 scan0235 | |
| Urgent memo to halt the manufacturing of specific rear shock absorber parts due to test failures. | 3rd Feb 1920 | Box 78 \ 2 scan0236 | |
| Split rear spring failure during testing and the resulting investigation into leaf spring squeaking and friction. | 1st Feb 1920 | Box 78 \ 2 scan0237 | |
| Testing a chassis with split springs, noting the effects of greasing them and issues with rolling and swaying. | 13th Feb 1920 | Box 78 \ 2 scan0238 | |
| Extract listing items and modifications to be fitted to a trials car chassis for America. | 2nd Feb 1920 | Box 78 \ 2 scan0239 | |
| Need for a more reliable fixing for shock damper levers, proposing a serrated fit for testing. | 4th Feb 1920 | Box 78 \ 2 scan0240 | |
| Instructions from Mr. Royce regarding the discontinuation of splitting rear springs and the design of new shock absorber springs. | 6th Feb 1920 | Box 78 \ 2 scan0241 | |
| Telegram from Mr. Royce with instructions about discontinuing split rear springs and fitting shock dampers. | 6th Feb 1920 | Box 78 \ 2 scan0242 | |
| The ongoing tests and historical findings comparing split springs and solid springs for vehicle suspension. | 9th Feb 1920 | Box 78 \ 2 scan0243 | |
| Suspension testing, covering split springs, shock absorbers, and their effect on vehicle handling. | 9th Feb 1920 | Box 78 \ 2 scan0244 | |
| Repositioning of the rear shock absorber lubricator to prevent it from fouling the brake cover. | 9th Feb 1920 | Box 78 \ 2 scan0245 | |
| Daily log of a vehicle road test and associated maintenance work on chassis 2.EX. | 11th Feb 1920 | Box 78 \ 2 scan0246 | |
| Daily log of vehicle maintenance, test runs, and performance observations. | 11th Feb 1920 | Box 78 \ 2 scan0247 | |
| Potential sideways flexing of the rear shock absorber lever and the need to stiffen it. | 2nd Feb 1920 | Box 78 \ 2 scan0248 | |
| Sending of blueprints for an experimental spring for a shock damper, related to the 40/50 Chassis. | 1st Feb 1920 | Box 78 \ 2 scan0249 | |
| Confirming that shock absorbers for car 1-LW will be sent to Mr. Birkett for fixing. | 16th Feb 1920 | Box 78 \ 2 scan0250 | |
| The failure of split rear springs tested on a bumping rig. | 16th Feb 1920 | Box 78 \ 2 scan0251 | |
| Solutions for broken split leaf springs and proposing the use of clips to prevent future failures. | 16th Feb 1920 | Box 78 \ 2 scan0252 | |
| Failures of split rear springs during testing on a bumping rig. | 16th Feb 1920 | Box 78 \ 2 scan0253 | |
| Telegram transcript detailing road tests of springs and shock absorbers on cars for Mr. Salamanca and Lord Rocksavage. | 17th Feb 1920 | Box 78 \ 2 scan0254 | |
| Difficulties and process for fitting shock absorber ball ends to chassis 1-LW. | 20th Feb 1920 | Box 78 \ 2 scan0255 | |
| The issues encountered while fitting shock absorbers to chassis 1.LW. | 19th Feb 1920 | Box 78 \ 2 scan0256 | |
| Steering and road holding issues, recommending rear shock dampers and discussing the impact of split springs. | 20th Feb 1920 | Box 78 \ 2 scan0257 | |
| Continued report on steering issues, attributing problems to tyres and road conditions rather than split rear springs. | 20th Feb 1920 | Box 78 \ 2 scan0258 | |
| Car's handling at high speed and its condition, including split springs, after 3,000 miles. | 20th Feb 1920 | Box 78 \ 2 scan0259 | |
| Fitment of rear shock absorbers and potential fouling of mudguard stays on a London Trials car. | 24th Feb 1920 | Box 78 \ 2 scan0260 | |
| Difficulties and proposed solutions for fitting new type rear shock absorbers to existing cars. | 24th Feb 1920 | Box 78 \ 2 scan0261 | |
| Issues and solutions for a shock absorber lever's fitting on a bump rig. | 24th Feb 1920 | Box 78 \ 2 scan0262 | |
| The supply and fitting of non-standardised shock absorber parts for Lord Rocksavage's car. | 25th Feb 1920 | Box 78 \ 2 scan0263 | |
| Trial of rear shock absorbers for car 19-LW. | 25th Feb 1920 | Box 78 \ 2 scan0264 | |
| Modifications to the 40/50 Chassis shock absorber required by Mr. Royce, including blueprints and dimensional changes. | 1st Feb 1920 | Box 78 \ 2 scan0265 | |
| Complaint about Lord Rocksavage's car, leading to a decision to fit shock dampers. | 26th Feb 1920 | Box 78 \ 2 scan0266 | |
| The creation of Coachbuilders' Drawings for non-standard shock absorbers, body fitting, wing brackets, and luggage grids. | 27th Feb 1920 | Box 78 \ 2 scan0267 | |
| Proposal for a standard luggage grid bracket, which has been put on hold. | 2nd Mar 1920 | Box 78 \ 2 scan0268 | |
| Inquiring about the completion of instructions and the manufacturing release status for shock absorbers. | 2nd Mar 1920 | Box 78 \ 2 scan0269 | |
| The testing of shock absorbers on cars 1.LW and 19-LW, detailing issues and further experimental work. | 2nd Mar 1920 | Box 78 \ 2 scan0270 | |
| Standardization and fitting of rear shock absorbers to post-war chassis. | 2nd Mar 1920 | Box 78 \ 2 scan0271 | |
| Information on the fitting of rear shock absorbers and the issuing of related drawings. | 1st Mar 1920 | Box 78 \ 2 scan0272 | |
| Fitting new shock absorbers to specific chassis and the impact this has on luggage grid brackets. | 1st Mar 1920 | Box 78 \ 2 scan0273 | |
| Cover memo attaching correspondence regarding shock absorbers. | 2nd Mar 1920 | Box 78 \ 2 scan0274 | |
| Noise from new rear shock absorbers on a trials car and a proposed solution. | 2nd Mar 1920 | Box 78 \ 2 scan0275 | |
| The halt of slotting inner plates of shock absorbers pending further tests on clearance. | 3rd Mar 1920 | Box 78 \ 2 scan0276 | |
| Inquiring if instructions for shock absorbers are complete and if all parts are released for manufacture. | 2nd Mar 1920 | Box 78 \ 2 scan0277 | |
| Parts held up for production after chassis 1000, specifically the switchbox, shock absorber, and wiring. | 1st Mar 1920 | Box 78 \ 2 scan0278 | |
| Sending two blueprints for an experimental rear shock absorber set for a 40/50 chassis. | 4th Mar 1920 | Box 78 \ 2 scan0279 | |
| List of modifications and parts to be fitted to a trials car for the American Company. | 1st Mar 1920 | Box 78 \ 2 scan0280 | |
| Extract listing proposed additional items and modifications for the trials car for the American Company. | 1st Mar 1920 | Box 78 \ 2 scan0281 | |
| Ongoing experimental stages of shock absorbers, including design alterations and performance issues. | 3rd Mar 1920 | Box 78 \ 2 scan0282 | |
| Responding to Mr. Salamanca's criticisms on the design and fitting of rear shock absorbers. | 9th Mar 1920 | Box 78 \ 2 scan0283 | |
| Telegram received about shock absorbers for Lord Rocksavage's car, 12.LW. | 12th Mar 1920 | Box 78 \ 2 scan0284 | |
| Extract detailing a broken rear-side shock absorber and an engine misfire investigation. | 12th Mar 1920 | Box 78 \ 2 scan0285 | |
| Recommendation to continue producing chassis shock absorber plates to the original drawings. | 15th Mar 1920 | Box 78 \ 2 scan0286 | |
| Compromise on the design of teeth in friction plates to expedite the production of shock absorbers. | 15th Mar 1920 | Box 78 \ 2 scan0287 | |
| The difficulty of fitting rear shock absorbers and recommending a new drop-forged cantilever be fitted to all cars. | 16th Mar 1920 | Box 78 \ 2 scan0288 | |
| Broken square type shock absorber lever on a 2.EX Car, noting it is to be replaced by the serrated lever type. | 16th Mar 1920 | Box 78 \ 2 scan0289 | |
| Instructions for fitting a small bracket for the rear shock absorber and updating the relevant parts list. | 16th Mar 1920 | Box 78 \ 2 scan0290 | |
| Extract from Le Canadel reporting a repeat failure of an offside shock absorber lever on chassis 2.EX. | 17th Mar 1922 | Box 78 \ 2 scan0291 | |
| Notifying Mr Clark of the receipt of felt washers and springs from various suppliers. | 19th Mar 1920 | Box 78 \ 2 scan0292 | |
| Comparing the load characteristics of two different rear shock absorber springs. | 23th Mar 1920 | Box 78 \ 2 scan0293 | |
| Test results for rear shock absorbers, showing loads under different component limit combinations. | 26th Mar 1920 | Box 78 \ 2 scan0294 | |
| Telegram confirming the successful fitting of shock absorbers to Lord Rocksavage's car. | 29th Mar 1920 | Box 78 \ 2 scan0295 | |
| Fitting of a small cantilever for shock absorbers on new and previously delivered chassis. | 30th Mar 1920 | Box 78 \ 2 scan0296 | |
| Production hold-up due to the fitting of rear shock absorbers on chassis after number 1000. | 30th Mar 1920 | Box 78 \ 2 scan0297 | |
| The 10,000-mile test of the 2EX chassis, listing parts for standardisation. | 9th Apr 1920 | Box 78 \ 2 scan0298 | |
| List of experimental parts and modifications for a 40/50 Chassis. | 15th Apr 1920 | Box 78 \ 2 scan0299 | |
| Cost allocation for fitting new rear shock absorbers to a customer's car. | 16th Apr 1920 | Box 78 \ 2 scan0300 | |
| Policy regarding the charge for fitting rear shock absorbers to Lord Rocksavage's car. | 19th Apr 1920 | Box 78 \ 2 scan0301 | |
| Alterations to blueprints for a shock absorber rotor and lever for the 40/50 chassis. | 1st Apr 1920 | Box 78 \ 2 scan0302 | |
| Log sheet detailing the hours and minutes run during a Bumper Test for shock absorbers and a chassis. | 19th Apr 1920 | Box 78 \ 2 scan0303 | |
| Complaint regarding front shock absorber ball ends coming loose on a delivered chassis. | 26th Apr 1920 | Box 78 \ 2 scan0304 | |
| Shock absorbers and rear springs for the American Trials Car, chassis 229LW. | 4th May 1920 | Box 78 \ 2 scan0305 | |
| The assembly, lubrication, and loading of new rear shock absorbers. | 10th May 1920 | Box 78 \ 2 scan0306 | |
| Test report detailing the performance of rear shock absorbers under various component tolerance conditions. | 26th Mar 1920 | Box 78 \ 2 scan0307 | |
| Investigating the cause of squeaking and grunting rear shock absorbers on a 49-GB car. | 14th May 1920 | Box 78 \ 2 scan0308 | |
| Recommendation to modify the rear spring's bottom plate to increase clearance for the rear shock absorbers. | 28th May 1920 | Box 78 \ 2 scan0309 | |
| Decision to delay fitting rear shock dampers and instead focus on perfecting springs. | 8th Jun 1920 | Box 78 \ 2 scan0310 | |
| To cease work on rear shock absorbers due to design uncertainties, with an exception to complete 50 pairs for stock. | 10th Jun 1920 | Box 78 \ 2 scan0311 | |
| Noise from rear shock absorbers being proportional to the amount of friction on the first stage. | 18th Jun 1920 | Box 78 \ 2 scan0312 | |
| Shock damper performance regarding grease loss and potential design improvements. | 22th Jun 1920 | Box 78 \ 2 scan0313 | |
| Proposal to use a graphite-impregnated cotton material from Messrs. Frood for rear shock absorbers to replace the existing red fibre. | 28th Jul 1920 | Box 78 \ 2 scan0314 | |
| Proposal to test alternative friction plate materials from Ferodo Co. for the rear shock absorber. | 29th Jul 1920 | Box 78 \ 2 scan0315 | |
| Status and material supply for various held-up parts on the 'N' and 'O' series. | 4th Aug 1920 | Box 78 \ 2 scan0316 | |
| Update on the experimental status of frictional material for the chassis rear shock absorber. | 10th Aug 1920 | Box 78 \ 2 scan0317 | |
| Comparing the springing and ride quality of the 1.EX and 6.EX experimental cars. | 20th Aug 1920 | Box 78 \ 2 scan0318 | |
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