| Description | Date | Identifier | |
| Technical memo discussing schemes for fitting and modifying hydraulic shock dampers controlled from the driver's seat. | 24th Jun 1931 | Box 105 \ 3 scan0191 | |
| Customer complaints about shock damper noise and potential resolutions. | 7th Jul 1931 | Box 105 \ 3 scan0192 | |
| Modifications to poundage for front and rear hydraulic shock dampers on a 20/25 HP Chassis. | 25th Aug 1931 | Box 105 \ 3 scan0193 | |
| Clarifying the specifications for holes in high-pressure shock damper valves for different chassis models. | 2nd Sep 1931 | Box 105 \ 3 scan0194 | |
| Issue with road springs fouling the hydraulic damper casings on a 20/25 HP chassis. | 11th Sep 1931 | Box 105 \ 3 scan0195 | |
| Blueprints for rear hydraulic damper connecting tube parts for a 20/25 HP chassis. | 16th Sep 1931 | Box 105 \ 3 scan0196 | |
| Parts required for the front hydraulic damper connecting tubes on a 20/25 HP chassis. | 17th Sep 1931 | Box 105 \ 3 scan0197 | |
| Need for controllable shock absorbers, citing driving experiences and retailer feedback. | 24th Sep 1931 | Box 105 \ 3 scan0198 | |
| Necessity of replenishing pipes for hydraulic dampers based on experimental car data. | 9th Oct 1931 | Box 105 \ 3 scan0199 | |
| Test report on parts for 20/25 HP shock dampers, with load test results for springs and caps. | 29th Oct 1931 | Box 105 \ 3 scan0200 | |
| Chart of springs suitable for 25 HP dampers. | 1st Nov 1931 | Box 105 \ 3 scan0201 | |
| Graph plotting ball pin load against washer thickness for 20/25 HP split piston dampers. | 27th Oct 1931 | Box 105 \ 3 scan0202 | |
| Specifying damper loads for the 25 HP model, including front and rear settings and repair notes. | 2nd Nov 1931 | Box 105 \ 3 scan0203 | |
| Establishing a standard setting for shock absorbers for production. | 4th Nov 1931 | Box 105 \ 3 scan0204 | |
| Shock absorber noise on a 25 HP car and a proposal to test new split piston dampers. | 11th Nov 1931 | Box 105 \ 3 scan0205 | |
| Recommended shock damper load settings for various car models. | 5th Nov 1931 | Box 105 \ 3 scan0206 | |
| Valve holes and standard versus low rating springs for the Phantom II model. | 5th Nov 1931 | Box 105 \ 3 scan0207 | |
| Modifications to hydraulic shock absorbers to reduce knocking. | 11th Nov 1931 | Box 105 \ 3 scan0208 | |
| Drilling diagram for a main cylinder and end cover, common to the 20/25 HP and Phantom II models. | 12th Nov 1931 | Box 105 \ 3 scan0209 | |
| Oiling scheme for a link joint front axle damper. | 11th Nov 1931 | Box 105 \ 3 scan0210 | |
| Recommendations for damper loads and valve hole sizes for 25 HP low rating springs. | 12th Nov 1931 | Box 105 \ 3 scan0211 | |
| Depot sheet concerning the loads and adjustment of low rating spring shock absorbers for a 25 HP model. | 12th Nov 1931 | Box 105 \ 3 scan0212 | |
| Sending a set of split piston type dampers to Cricklewood to resolve noise complaints on a 25 HP chassis. | 13th Nov 1931 | Box 105 \ 3 scan0213 | |
| Correction memo regarding damper loads for 25 HP low rating springs. | 14th Nov 1931 | Box 105 \ 3 scan0214 | |
| Request to make 3 sets each of springs to Hs.469 A and B to increase the driving load in the 25 HP low inertia damper. | 8th Nov 1931 | Box 105 \ 3 scan0215 | |
| Specifications for a driving spring, detailing dimensions and two coil variations. | 9th Nov 1931 | Box 105 \ 3 scan0216 | |
| Covering memo for a report on tests concerning self-adjusting hydraulic shock absorbers. | 9th Nov 1931 | Box 105 \ 3 scan0217 | |
| Methodology for testing the movement of shock damper levers on different road types. | 9th Nov 1931 | Box 105 \ 3 scan0218 | |
| Data table showing performance test results for rear dampers under various loads, speeds, and road surfaces. | 19th Nov 1931 | Box 105 \ 3 scan0219 | |
| Dispatch of a schedule for the rear shock damper mounting, noting a delay due to work on the gearbox. | 19th Nov 1931 | Box 105 \ 3 scan0220 | |
| Instructions for alterations to the rear and front hydraulic shock dampers for the 20/25 HP chassis. | 26th Nov 1931 | Box 105 \ 3 scan0221 | |
| Shock damper loads and settings for 20/25 HP and 40/50 HP models. | 16th Dec 1931 | Box 105 \ 3 scan0222 | |
| Suspension and shock damper settings for the 20/25 HP, Phantom I, and Phantom II models. | 16th Dec 1931 | Box 105 \ 3 scan0223 | |
| On shock damper settings, modifications, and identification stamping. | 16th Dec 1931 | Box 105 \ 3 scan0224 | |
| Specification table for various front and rear suspension damper and spring configurations. | 6th Jan 1932 | Box 105 \ 3 scan0225 | |
| Complete set of Shock Dampers for the 25.HP. Chassis. | 6th Jan 1932 | Box 105 \ 3 scan0226 | |
| Transmittal memo for schemes related to J. 3. Shock Dampers. | 1st Jan 1932 | Box 105 \ 3 scan0227 | |
| The condition of shock dampers after a 10,000 miles trial. | 11th Jan 1932 | Box 105 \ 3 scan0228 | |
| Inspection report detailing defects found in front and rear dampers. | 11th Jan 1932 | Box 105 \ 3 scan0229 | |
| Inspection report on component wear, noting scoring on shafts, flaking on pads, and potential lubrication deficiencies. | 14th Jan 1932 | Box 105 \ 3 scan0230 | |
| The J. 3. Shock Damper (N.sch.3405) with distant control and its modifications. | 14th Jan 1932 | Box 105 \ 3 scan0231 | |
| Implementation of controllable shock dampers and a cabled response regarding production. | 3rd Mar 1932 | Box 105 \ 3 scan0232 | |
| Development strategy for controllable shock dampers, comparing different schemes for various car models. | 4th Mar 1932 | Box 105 \ 3 scan0233 | |
| Feasibility and design of driver-controlled versus automatic shock dampers. | 7th Mar 1932 | Box 105 \ 3 scan0234 | |
| And comparing several different schemes for a damper control system. | 7th Mar 1932 | Box 105 \ 3 scan0235 | |
| Magnetically controlled bypass valve for a shock damper system. | 7th Mar 1932 | Box 105 \ 3 scan0236 | |
| Page two of a report detailing the operation and testing of a solenoid-controlled valve system. | 3rd Mar 1932 | Box 105 \ 3 scan0237 | |
| Blueprint cross-section of a magnetically controlled leak shock damper as used on a test rig. | 3rd Mar 1932 | Box 105 \ 3 scan0238 | |
| Cross-section diagram of a magnetically controlled leak shock damper used on a test rig. | 3rd Mar 1932 | Box 105 \ 3 scan0239 | |
| Three graphs showing performance tests of a 'Magnetic Valve' under different leak and lift conditions. | 29th Aug 1932 | Box 105 \ 3 scan0240 | |
| Performance graphs for a 20HP rear damper with a magnetically controlled leak, tested at 4' and 1' ball pin strokes. | 7th Mar 1932 | Box 105 \ 3 scan0241 | |
| Decision between two schemes for controllable shock dampers. | 8th Mar 1932 | Box 105 \ 3 scan0242 | |
| Scheme 8416 for a vacuum-operated shock damper distant control system, including proposed improvements. | 9th Mar 1932 | Box 105 \ 3 scan0243 | |
| Request to manufacture a new hub for a damper using the old type 20 HP slipper wheels. | 10th May 1932 | Box 105 \ 3 scan0244 | |
| Blueprint of a hub for fitting a 20 HP damper. | 11th May 1932 | Box 105 \ 3 scan0245 | |
| Solutions for noisy axle dampers, including design suggestions with diagrams. | 11th May 1932 | Box 105 \ 3 scan0246 | |
| Challenges in developing and silencing J.III type shock absorbers. | 13th Jun 1932 | Box 105 \ 3 scan0247 | |
| Blueprint showing modifications to standard valves for noise tests on J III shock dampers. | 6th Jul 1932 | Box 105 \ 3 scan0248 | |
| Modification to shock absorber valves for the J.III type damper. | 6th Jul 1932 | Box 105 \ 3 scan0249 | |
| Blueprint showing a modification to a shock damper valve. | 14th Jun 1932 | Box 105 \ 3 scan0250 | |
| Blueprint for a J III Shock Damper Valve, of the Chamfered L.P. Extension Type. | 5th Jul 1932 | Box 105 \ 3 scan0251 | |
| Fouling of front shock dampers on a J.III chassis and subsequent load modification. | 7th Jul 1932 | Box 105 \ 3 scan0252 | |
| Tests, noise issues, and potential production problems with various shock damper valve designs. | 8th Jul 1932 | Box 105 \ 3 scan0253 | |
| Observation on damper fouling with a comparative list of various damper weights. | 1st Jul 1932 | Box 105 \ 3 scan0254 | |
| Summary of test results for a shock damper valve, detailing various modifications and performance outcomes. | 4th Jul 1932 | Box 105 \ 3 scan0255 | |
| Investigation into squawk and knock issues caused by air in the bearing feed and variations in oil pressure. | 4th Jul 1932 | Box 105 \ 3 scan0256 | |
| Blueprint drawings for various low pressure and damper valve types and tests. | 4th Jul 1932 | Box 105 \ 3 scan0257 | |
| Diagram illustrating the fouling points of the JII front shock dampers and anchorage brackets after road tests. | 7th Jul 1932 | Box 105 \ 3 scan0258 | |
| Blueprint comparing performance graphs for a JIII Rear Damper under various pressure, leak, and valve conditions. | 28th Jun 1932 | Box 105 \ 3 scan0259 | |
| Standardisation of hydraulic dampers with split type pistons for the chassis. | 7th Oct 1931 | Box 105 \ 3 scan0260 | |
| Introduction of a new part to a chassis, including associated costs. | 13th Jul 1932 | Box 105 \ 3 scan0261 | |
| Customer complaints and the high cost of hydraulic shock absorbers. | 13th Jul 1932 | Box 105 \ 3 scan0262 | |
| Modifications to road shock dampers for increased damping. | 14th Jul 1932 | Box 105 \ 3 scan0263 | |
| Technical memo discussing the testing and development of J.III type shock dampers. | 20th Jul 1932 | Box 105 \ 3 scan0264 | |
| Forwarding a request for information to another party to resolve production difficulties. | 20th Jul 1932 | Box 105 \ 3 scan0265 | |
| Four indicator diagrams for a J III rear cylinder, showing high and low pressure performance at various RPMs. | 19th Jul 1932 | Box 105 \ 3 scan0266 | |
| Modifications to the J.S. type shock damper piston to reduce manufacturing costs. | 19th Aug 1932 | Box 105 \ 3 scan0267 | |
| Requesting a critique on a new cost-reducing damper piston design for the J.3. type shock absorbers. | 22th Aug 1932 | Box 105 \ 3 scan0268 | |
| Material change to aluminium for J.3 type shock absorber cases and a specification for valves. | 25th Aug 1932 | Box 105 \ 3 scan0269 | |
| Technical memorandum regarding modifications and schemes for the J.III Hydraulic Damper. | 23th Sep 1932 | Box 105 \ 3 scan0270 | |
| Modifications for the Peregrine chassis and the development of automatic control. | 23th Sep 1932 | Box 105 \ 3 scan0271 | |
| Test results for a J.III Type Shock Damper's conical seated valve damping 'hat'. | 4th Oct 1932 | Box 105 \ 3 scan0272 | |
| Querying the standard setup for 25 HP hydraulic dampers on chassis with low rating springs. | 4th Oct 1932 | Box 105 \ 3 scan0273 | |
| Hydraulic damper and spring settings for the 20/25 HP model. | 6th Oct 1932 | Box 105 \ 3 scan0274 | |
| Instructions for adjusting low rating spring shock absorber loads for the 25 HP model by drilling holes in the valve. | 12th Nov 1931 | Box 105 \ 3 scan0275 | |
| Shock damper loads and settings for 20/25 HP and 40/50 HP models. | 16th Dec 1931 | Box 105 \ 3 scan0276 | |
| Guide on shock damper and spring settings for various models and driving conditions. | 18th Dec 1931 | Box 105 \ 3 scan0277 | |
| Shock damper settings, modifications, and identification stamping. | 15th Dec 1931 | Box 105 \ 3 scan0278 | |
| Specification table for various front and rear suspension spring types and associated valve settings. | 18th Oct 1932 | Box 105 \ 3 scan0279 | |
| Tests conducted on J.III type shock dampers using an N.S. 3497 conical seated valve. | 18th Oct 1932 | Box 105 \ 3 scan0280 | |
| Experiments on a damper system, focusing on pressure diagrams, hole sizes, and various air venting schemes. | 18th Oct 1932 | Box 105 \ 3 scan0281 | |
| Technical report on bearing lubrication modifications and Governor Control Scheme testing. | 18th Oct 1932 | Box 105 \ 3 scan0282 | |
| Analysis of loads, leakage, and pressure effects in a system with varying pipe diameters. | 18th Oct 1932 | Box 105 \ 3 scan0283 | |
| Test report page detailing performance results after cleaning a cylinder and testing a different valve spring. | 12th Sep 1932 | Box 105 \ 3 scan0284 | |
| Graphs showing performance of a conical seated valve under high and low pressure, with and without an oil groove to bearings. | 12th Sep 1932 | Box 105 \ 3 scan0285 | |
| Performance graphs for a J III rear conical seated valve under various pressure and seating conditions. | 16th Sep 1932 | Box 105 \ 3 scan0286 | |
| Four graphs showing performance data for a conical seated valve under various pressure and operational conditions. | 16th Sep 1932 | Box 105 \ 3 scan0287 | |
| Design change to the air vent on a J.III type damper. | 26th Oct 1932 | Box 105 \ 3 scan0288 | |
| Blueprint detailing a modification to add air vent grooves to a piston. | 26th Oct 1938 | Box 105 \ 3 scan0289 | |
| Requesting the creation of a brass prototype for a J.III type shock absorber diaphragm for testing. | 28th Oct 1932 | Box 105 \ 3 scan0290 | |
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