| Description | Date | Identifier | |
| Bumping test for the EAC.11 'W' series chassis. | 12th Dec 1924 | Box 119 \ 2 scan0225 | |
| The bump test of an EAC.11 chassis, detailing its specifications and a summary of failures observed during the first 90 hours. | 12th Dec 1924 | Box 119 \ 2 scan0226 | |
| Remarks on the behaviour and failure analysis of various chassis components. | 12th Dec 1924 | Box 119 \ 2 scan0227 | |
| Test report detailing component failures and performance, specifically regarding radiator shutters, suspension stays, and road spring life. | 12th Dec 1924 | Box 119 \ 2 scan0228 | |
| Summary of road spring failures from a chassis bump test, presented in a table with a corresponding diagram. | 18th Dec 1924 | Box 119 \ 2 scan0229 | |
| Bumping tests for the 'W' series, summarising frame distortion indicators. | 18th Dec 1924 | Box 119 \ 2 scan0230 | |
| The bump test of an EAC.11 chassis. | 17th Dec 1924 | Box 119 \ 2 scan0231 | |
| Failures of radiator, steering gear, and spring components during testing. | 17th Dec 1924 | Box 119 \ 2 scan0232 | |
| Summary table and diagram detailing leaf spring failures and fracture locations. | 16th Dec 1924 | Box 119 \ 2 scan0233 | |
| Sketch illustrating the failure points of a steering column after a bump test on an E.A.CII chassis. | 16th Dec 1924 | Box 119 \ 2 scan0234 | |
| Bumping tests for the 'W' series. | 7th Jan 1925 | Box 119 \ 2 scan0235 | |
| Bump test of the EAC 11 chassis, summarizing important failures. | 25th Sep 1924 | Box 119 \ 2 scan0236 | |
| Failures and observations on vehicle components like springs, frame, radiator, and a cracked 5th cross member. | 25th Sep 1924 | Box 119 \ 2 scan0237 | |
| Tabular report on road spring failures, detailing run times and fracture characteristics. | 17th Dec 1924 | Box 119 \ 2 scan0238 | |
| Diagram illustrating the results of a bump test on an E.A.CII chassis, showing a fractured front engine support. | 17th Dec 1924 | Box 119 \ 2 scan0239 | |
| The life testing of 20 HP front road springs supplied by Messrs. Firths. | 14th Mar 1925 | Box 119 \ 2 scan0240 | |
| Bumping tests conducted on special front springs for the 20 HP model. | 24th Mar 1925 | Box 119 \ 2 scan0241 | |
| Vehicle specifications and spring failure test results. | 23th Mar 1925 | Box 119 \ 2 scan0242 | |
| Comparing standard and Firths special front springs, type 650 lbs. | 1st Mar 1925 | Box 119 \ 2 scan0243 | |
| General chassis failures with a log of issues encountered at specific running hours. | 24th Mar 1925 | Box 119 \ 2 scan0244 | |
| Failures and issues found with the steering column, frame, and cross steering lever, complete with diagrams. | 23th Mar 1925 | Box 119 \ 2 scan0245 | |
| Pivot failure during bumping tests on an 'India' model front axle. | 3rd Apr 1925 | Box 119 \ 2 scan0246 | |
| Specification for a 'V' Series Chassis bumper test, listing existing and new parts. | 7th Apr 1925 | Box 119 \ 2 scan0247 | |
| Test report page detailing component failures and running times under specific conditions. | 7th Apr 1925 | Box 119 \ 2 scan0248 | |
| Summary table documenting spring failures, including position, fracture details, and material properties. | 7th Apr 1925 | Box 119 \ 2 scan0249 | |
| Notes on a durability test of vehicle components, including wheels, suspension, brackets, and stays. | 25th Feb 1925 | Box 119 \ 2 scan0250 | |
| Component failures including broken springs, wheel weights, and frame fractures. | 25th Feb 1925 | Box 119 \ 2 scan0251 | |
| Preliminary frame distortion tests conducted on a 20 HP chassis, describing the testing apparatus. | 7th Apr 1925 | Box 119 \ 2 scan0252 | |
| Frame warp and distortion with diagrams and test results. | 7th Apr 1925 | Box 119 \ 2 scan0253 | |
| Analysis of frame distortion and twist, presenting data from experiments on rear engine suspension slackness and tightness. | 7th Apr 1925 | Box 119 \ 2 scan0254 | |
| Sketch and proposal for testing chassis frame distortion and the effects of diagonal bracing. | 4th Apr 1925 | Box 119 \ 2 scan0255 | |
| The testing of an 'India' front axle, detailing bumping rig results and component failures. | 4th Apr 1925 | Box 119 \ 2 scan0256 | |
| Secret memorandum detailing the results of a 55-hour bumping test on 'India' front axle pivots. | 7th Apr 1925 | Box 119 \ 2 scan0257 | |
| Bumping test for the rear of an India chassis. | 6th May 1925 | Box 119 \ 2 scan0258 | |
| Failures of a spring leaf and dumb iron on a 20 HP 'India' chassis during a rear axle bumping test. | 1st May 1925 | Box 119 \ 2 scan0259 | |
| Bumping test for an 'India' Rear Axle with a wider track. | 5th May 1925 | Box 119 \ 2 scan0260 | |
| Bump test of the 20 HP 'India' chassis. | 1st May 1925 | Box 119 \ 2 scan0261 | |
| Chassis component failures, including cross members and spring stops. | 1st May 1925 | Box 119 \ 2 scan0262 | |
| Spring failures, detailing their lifespan, part number, and fracture data. | 22th May 1925 | Box 119 \ 2 scan0263 | |
| Bumping tests for the front of a 20 HP chassis. | 7th Jul 1925 | Box 119 \ 2 scan0264 | |
| The bump test of a 20 HP 'G' Series Chassis, detailing setup and observed breakages. | 1st Jul 1925 | Box 119 \ 2 scan0265 | |
| Failures of steering and suspension components on a 20 HP chassis during endurance testing. | 1st Jul 1925 | Box 119 \ 2 scan0266 | |
| Failures of chassis components and engine mountings during testing. | 1st Jul 1925 | Box 119 \ 2 scan0267 | |
| The failure times for front and rear spring clips and a 'D' type dashbracket. | 1st Jul 1925 | Box 119 \ 2 scan0268 | |
| Road spring failures and their performance characteristics. | 1st Jul 1925 | Box 119 \ 2 scan0269 | |
| Steering system breakage on a 20 HP chassis fitted with stiffer front springs, inquiring about comparative tests. | 9th Jul 1925 | Box 119 \ 2 scan0270 | |
| Average failures of a 20 HP chassis on the bump rig. | 18th Jul 1925 | Box 119 \ 2 scan0271 | |
| Micro-examination and analytical report on a broken pendulum lever. | 20th Jul 1925 | Box 119 \ 2 scan0272 | |
| Bump test report for Derihon, Houdaille, and Berkshire shock absorbers. | 25th Sep 1925 | Box 119 \ 2 scan0273 | |
| Technical note comparing the performance and oil leakage of different shock absorbers under test conditions. | 24th Nov 1925 | Box 119 \ 2 scan0274 | |
| Bumper test for the latest Phantom steering. | 24th Nov 1925 | Box 119 \ 2 scan0275 | |
| Bumper test for front springs on a Phantom chassis, comparing springs with and without Ferodo interleaving material. | 24th Nov 1925 | Box 119 \ 2 scan0276 | |
| Comparison of process times in hours, with and without interleaving. | 30th Nov 1925 | Box 119 \ 2 scan0277 | |
| Frame distortion tests for a standard 20 HP vehicle. | 30th Nov 1925 | Box 119 \ 2 scan0278 | |
| Frame distortion tests for a 20 HP chassis. | 12th Jun 1925 | Box 119 \ 2 scan0279 | |
| Analysing chassis frame warp and distortion under load. | 12th Jun 1925 | Box 119 \ 2 scan0280 | |
| Chassis frame distortion and engine suspension experiments. | 12th Jun 1925 | Box 119 \ 2 scan0281 | |
| Page detailing tests on chassis frame distortion, with a sketch of markings and a proposal for diagonal bracing. | 7th Apr 1925 | Box 119 \ 2 scan0282 | |
| Improvements to the Bumper Test House by altering the shutter uprights. | 1st Feb 1926 | Box 119 \ 2 scan0283 | |
| Requesting repairs and modifications to the bumper test rig and bump test chassis. | 1st Feb 1926 | Box 119 \ 2 scan0284 | |
| The testing and failure of special front springs received from Messrs. Woodheads. | 23th Feb 1926 | Box 119 \ 2 scan0285 | |
| 'bump' test failure of a bottom support bracket for a new type 20 HP steering system. | 22th Apr 1926 | Box 119 \ 2 scan0286 | |
| Continuation of a report on a bump test, detailing the results and proposing a new test with mild steel brackets. | 15th Jun 1926 | Box 119 \ 2 scan0287 | |
| Bumping test results for a new lightened axle for the Phantom model. | 15th Jun 1926 | Box 119 \ 2 scan0288 | |
| 50-hour bumping test of a lightened front axle for a Phantom model. | 18th Jun 1926 | Box 119 \ 2 scan0289 | |
| Modification, testing, and road performance of a new front axle. | 21th Jun 1926 | Box 119 \ 2 scan0290 | |
| Failure of a Phantom front axle during a bumping test and the subsequent modifications. | 1st Jul 1926 | Box 119 \ 2 scan0291 | |
| Results of bumping tests on front axles. | 1st Jul 1926 | Box 119 \ 2 scan0292 | |
| Table documenting the results of stress tests on front axles, recording the time until failure. | 12th Oct 1926 | Box 119 \ 2 scan0293 | |
| Letter about the first experimental car by the American Company, featuring front wheel brakes, Servo mechanism, and new steering. | 12th Oct 1926 | Box 119 \ 2 scan0294 | |
| Letter from the American office to the London office regarding the completion and testing of the first experimental car, NX-2. | 1st Oct 1926 | Box 119 \ 2 scan0295 | |
| 40/50HP vehicle bump test, detailing steering component changes. | 15th Jan 1927 | Box 119 \ 2 scan0296 | |
| Requesting arrangements for testing a hydraulic steering damper and a spare wheel carrier on a 40/50 bump chassis. | 22th Jan 1927 | Box 119 \ 2 scan0297 | |
| List of new parts fitted to a Bumper Chassis, with associated drawing and schedule numbers. | 2nd Apr 1927 | Box 119 \ 2 scan0298 | |
| Test results and proposed modifications for a rebound leaf spring. | 13th May 1927 | Box 119 \ 2 scan0299 | |
| Requesting to test a luggage grid F.76987 on the 40/50 HP bumper chassis. | 28th Nov 1927 | Box 119 \ 2 scan0300 | |
| Recommendation on the properties and testing of chromium-plated road springs. | 31th Dec 1927 | Box 119 \ 2 scan0301 | |
| The benefits of plating road springs, including improved suspension, longer spring life, and reduced squeaking. | 4th Jan 1928 | Box 119 \ 2 scan0302 | |
| Breakages during a 100-hour bumper test on a 20 HP chassis. | 4th Jan 1928 | Box 119 \ 2 scan0303 | |
| Instruction to fit a cast dash and column onto a bump chassis, along with a device to measure column deflection. | 13th Mar 1928 | Box 119 \ 2 scan0304 | |
| Bumper test report on various American type front road springs. | 29th Mar 1928 | Box 119 \ 2 scan0305 | |
| Experiments conducted on a bump rig to measure cast dash and steering column deflection. | 16th Apr 1928 | Box 119 \ 2 scan0306 | |
| Steering column deflection and potential solutions for experimental car models. | 16th Apr 1928 | Box 119 \ 2 scan0307 | |
| Test results for steering column movement measured at the column thrust race on a bumping rig. | 21th Apr 1928 | Box 119 \ 2 scan0308 | |
| Results of a bumper test on various types of road springs. | 21th Apr 1928 | Box 119 \ 2 scan0309 | |
| Cracked bump chassis and the need for a quick repair to continue front spring tests. | 1st Sep 1928 | Box 119 \ 2 scan0310 | |
| The failures of radiator suspension and axle control dampers during chassis bumper tests. | 3rd Dec 1928 | Box 119 \ 2 scan0311 | |
| Drawing detailing the failure of a stud on an S.S. radiator support. | 3rd Dec 1928 | Box 119 \ 2 scan0312 | |
| Diagram illustrating the failure points on an intermediate lever for an S.S. Axle Control Damper. | 3rd Dec 1928 | Box 119 \ 2 scan0313 | |
| Component failures during a 24.5-hour 'SS' Bumper Test on a bumping rig. | 1st Dec 1928 | Box 119 \ 2 scan0314 | |
| Blueprint showing a failure analysis of a broken N.S. Axle Control Damper. | 5th Dec 1928 | Box 119 \ 2 scan0315 | |
| Sketch of the radiator fixing arrangement for an S.S. Bump chassis, including a note on a stud failure. | 5th Dec 1928 | Box 119 \ 2 scan0316 | |
| Reporting the results of 'SS' bumping tests on a chassis. | 19th Dec 1928 | Box 119 \ 2 scan0317 | |
| Confirming the dispatch of broken shock absorber parts in bulk. | 10th Jan 1929 | Box 119 \ 2 scan0318 | |
| The fracture of a shock damper shaft and a proposed strengthened design. | 10th Jan 1929 | Box 119 \ 2 scan0319 | |
| Strengthening of the 'SS' Shock Damper outer casing following fractures. | 10th Jan 1929 | Box 119 \ 2 scan0320 | |
| The 'SS' Bumper Chassis testing on a bumping rig, detailing front spring life with new hydraulics and shock dampers. | 1st Jan 1929 | Box 119 \ 2 scan0321 | |
| Analysis of failures during a 200-hour bumping rig test on an 'SS' Chassis. | 1st Jan 1929 | Box 119 \ 2 scan0322 | |
| Failure times of various engine components under testing. | 1st Jan 1929 | Box 119 \ 2 scan0323 | |
| Test report on rear shock absorbers detailing failures and conditions over a 100-hour period. | 11th Jan 1929 | Box 119 \ 2 scan0324 | |
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