| Description | Date | Identifier | |
| To Mr Royce regarding the potential standardization of sheradized exhaust fittings. | 25th Jul 1912 | Box 78 \ 2 scan0119 | |
| Requesting a set of Eagle engine tools and nuts to be sent for the sherardizing rust prevention process. | 1st Jan 1918 | Box 78 \ 2 scan0120 | |
| Inquiring about the desirability of using sherardised oil tubes for connecting rods. | 26th Apr 1920 | Box 78 \ 2 scan0121 | |
| Letter from The Cowper-Coles Manufacturing Company regarding their Sherardizing rustproofing process for vehicle parts. | 20th Feb 1922 | Box 78 \ 2 scan0122 | |
| Adjustments for the front and rear axles, including steering and shock dampers. | 10th Oct 1916 | Box 78 \ 2 scan0123 | |
| Vehicle suspension, focusing on spring friction, dampers, and testing new shock absorbers. | 3rd Oct 1916 | Box 78 \ 2 scan0124 | |
| Modifications to Truffault shock absorbers on 7-CA to prevent fouling. | 20th Nov 1916 | Box 78 \ 2 scan0125 | |
| Extract on the standardisation of shock dampers for the first 500 chassis. | 1st May 1919 | Box 78 \ 2 scan0126 | |
| Urgent memo discussing alterations to the 40/50 HP shock dampers, including a sketch. | 3rd May 1919 | Box 78 \ 2 scan0127 | |
| Difficulties of fitting new front shock absorbers and the alternatives being considered. | 14th May 1919 | Box 78 \ 2 scan0128 | |
| Design details and stress considerations for a 40/50 HP chassis front shock absorber ball pin attachment. | 4th Jun 1919 | Box 78 \ 2 scan0129 | |
| Extract describing a fouling issue with shock absorber connecting links hitting the frame. | 28th Jul 1919 | Box 78 \ 2 scan0130 | |
| Standardisation of front shock absorbers, coupling tube, and ball end fixed on the axle. | 25th Aug 1919 | Box 78 \ 2 scan0131 | |
| Extract listing a new part, an improved ball-end and connecting tube for front shock absorbers, to be fitted to the chassis. | 27th Aug 1919 | Box 78 \ 2 scan0132 | |
| Modifications to the front shock absorber on the 40/50 chassis. | 23th Sep 1919 | Box 78 \ 2 scan0133 | |
| Querying a fault with the new type of shock absorber connecting link. | 1st Jun 1936 | Box 78 \ 2 scan0134 | |
| The delay in receiving drawings for the proposed leather stocking for front shock absorbers. | 1st Oct 1919 | Box 78 \ 2 scan0135 | |
| New and experimental parts fitted to Bumper Chassis X.1131. | 2nd Oct 1919 | Box 78 \ 2 scan0136 | |
| Requesting the urgent delivery of leather stockings with end caps for a 40/50 chassis shock absorber. | 3rd Oct 1919 | Box 78 \ 2 scan0137 | |
| The receipt of samples of leather stockings and black lacquer for experimentation. | 8th Oct 1919 | Box 78 \ 2 scan0138 | |
| Requesting review and sign-off on standardisation sheets for a front shock absorber and an improved clutch brake. | 6th Nov 1919 | Box 78 \ 2 scan0139 | |
| Distributing standardisation sheets for experiments X.3461 (Front Shock Absorber) and X.3431 (Indicator Plate). | 13th Nov 1919 | Box 78 \ 2 scan0140 | |
| Bump test of a 40/50 chassis and endurance testing of wheels, shock absorbers, and a radiator. | 27th Nov 1919 | Box 78 \ 2 scan0141 | |
| Front shock absorber ball ends working loose and the large clearance specified in the drawings. | 1st Jan 1920 | Box 78 \ 2 scan0142 | |
| The issue of shock absorber ball ends coming loose, referencing test results and suggesting inspection criteria. | 28th Jan 1920 | Box 78 \ 2 scan0143 | |
| Testing procedures and failure analysis for front shock absorber ball ends. | 29th Jan 1920 | Box 78 \ 2 scan0144 | |
| Recommendation to charge the connecting tube on the front shock absorber with grease before despatch. | 9th Mar 1920 | Box 78 \ 2 scan0145 | |
| Complaint regarding front shock absorber ball ends coming loose on a delivered chassis. | 26th Apr 1920 | Box 78 \ 2 scan0146 | |
| Modifications to rear road springs, a new exhaust pipe, and front shock absorber anchorages for the 40/50 HP chassis. | 18th May 1920 | Box 78 \ 2 scan0147 | |
| Engine design modifications for the Vulture and Buzzard, including valve gear, camshaft retention, and engine suspension. | 18th Aug 1920 | Box 78 \ 2 scan0148 | |
| Failure of mild steel shock absorber levers and the responsibility for their replacement. | 16th Jun 1920 | Box 78 \ 2 scan0149 | |
| Letter to Hives concerning a trip to the USA and a technical issue with a shock damper on car 6.EX. | 14th Oct 1920 | Box 78 \ 2 scan0150 | |
| Typed memo discussing the need for new friction materials for dampers on vehicle 6.EX. | 8th Jan 1919 | Box 78 \ 2 scan0151 | |
| Alterations for 500 units of the 40/50 HP chassis and delegating the associated draughting work. | 8th Jan 1919 | Box 78 \ 2 scan0152 | |
| Index of alterations for the 40-50 HP present type chassis, compiled by Mr. Elliott. | 18th Dec 1918 | Box 78 \ 2 scan0153 | |
| Selection of wheels and the design specifications for shock dampers. | 18th Dec 1918 | Box 78 \ 2 scan0154 | |
| Extract of a discussion with Mr. Royce regarding instructions for pistons, shock absorbers, and speedometer provisions for a chassis. | 17th Dec 1918 | Box 78 \ 2 scan0155 | |
| Urgent need for shock absorbers on the new 40/50 HP Chassis 1.E.x. | 18th Mar 1919 | Box 78 \ 2 scan0156 | |
| Proposal to test a split boss lever with a biting-in bolt for a 40/50 HP progressive shock damper. | 11th Apr 1919 | Box 78 \ 2 scan0157 | |
| Effectiveness and experience with using biting bolts to fix levers to shafts for shock absorbers. | 14th Apr 1919 | Box 78 \ 2 scan0158 | |
| Print of a Rear Shock Damper for a 40/50 HP Chassis. | 28th Apr 1919 | Box 78 \ 2 scan0159 | |
| Print for a 40/50 Chassis Rear Shock Damper. | 29th Apr 1919 | Box 78 \ 2 scan0160 | |
| Standardisation and design of shock dampers for the first 500 chassis. | 1st May 1919 | Box 78 \ 2 scan0161 | |
| Incomplete blueprint for 40/50 HP progressive friction rear shock dampers, requesting completion and submission to Mr. Royce. | 5th May 1919 | Box 78 \ 2 scan0162 | |
| Production changes and decisions for shock absorbers and battery boxes. | 14th May 1919 | Box 78 \ 2 scan0163 | |
| Observations on the bouncing of the rear axle on car 49-GB at various speeds and loads. | 29th May 1919 | Box 78 \ 2 scan0164 | |
| The performance of Truffault Shock Absorbers on a car and plans for further comparative tests. | 29th May 1919 | Box 78 \ 2 scan0165 | |
| The fitting of new rear shock absorbers to car 49-GB. | 5th Jun 1919 | Box 78 \ 2 scan0166 | |
| Mr. Royce's decision on the design of rear shock dampers for the 40/50 HP post-bellum chassis. | 17th Jun 1919 | Box 78 \ 2 scan0167 | |
| Testing and modifying rear suspension by moving the springs from below to above the axle to improve road holding. | 27th Jun 1919 | Box 78 \ 2 scan0168 | |
| Tests measuring rear wheel revolutions to evaluate the performance of underneath springs on car model 49-GB. | 27th Jun 1919 | Box 78 \ 2 scan0169 | |
| Road testing new type shock absorbers, comparing their performance and noise to Truffault models. | 27th Jun 1919 | Box 78 \ 2 scan0170 | |
| Assembly record for Chassis 1. E.X., listing the parts used. | 30th Jun 1919 | Box 78 \ 2 scan0171 | |
| Preliminary test results of new shock absorbers, comparing them to the performance of original plates. | 23th Jul 1919 | Box 78 \ 2 scan0172 | |
| Issues with shock absorbers, including water ingress, clearance problems, and potential modifications. | 23th Jul 1919 | Box 78 \ 2 scan0173 | |
| Biting-in-bolt test performed on a shock absorber lever, including test results. | 23th Jul 1919 | Box 78 \ 2 scan0174 | |
| On a design flaw in new shock absorbers which causes them to collect mud, with a recommendation to modify the aluminium presser plate. | 25th Jul 1919 | Box 78 \ 2 scan0175 | |
| 1010-mile road test of chassis 1.E.X, focusing on springing and shock absorbers. | 28th Jul 1919 | Box 78 \ 2 scan0176 | |
| Road test report detailing the performance of the chassis, suspension, tyres, and electrical equipment. | 28th Jul 1919 | Box 78 \ 2 scan0177 | |
| Standardization of a larger 20-gallon petrol tank for the 35-LW Gibbs model. | 31th Jul 1919 | Box 78 \ 2 scan0178 | |
| Phased introduction of a 20-gallon petrol tank to replace the 18-gallon version on the 501st chassis onwards. | 8th Aug 1919 | Box 78 \ 2 scan0179 | |
| Expressing dissatisfaction with the original petrol tank design for accommodating shock absorbers due to unreliable soldered joints. | 11th Aug 1919 | Box 78 \ 2 scan0180 | |
| Despatch of a found walking-stick and a sample rear shock absorber. | 13th Aug 1919 | Box 78 \ 2 scan0181 | |
| The fixing method for rear shock absorbers. | 13th Aug 1919 | Box 78 \ 2 scan0182 | |
| Feedback from Mr. Royce on a model shock absorber for a 40/50 HP chassis. | 21th Aug 1919 | Box 78 \ 2 scan0183 | |
| List of numbered design modifications and improvements for a mechanical assembly. | 21th Aug 1919 | Box 78 \ 2 scan0184 | |
| Instructions for altering a model stem, sockets, and grease ways for a ball joint, based on Mr. Royce's wishes. | 21th Aug 1919 | Box 78 \ 2 scan0185 | |
| Clarifying the production status and fitting schedule for new rear shock absorbers on chassis. | 22th Sep 1919 | Box 78 \ 2 scan0186 | |
| Report providing impressions on the rear shock absorbers for chassis 49-GB. | 22th Sep 1919 | Box 78 \ 2 scan0187 | |
| Outlining additional modifications required when fitting new rear shock absorbers to a 40/50 chassis. | 24th Sep 1919 | Box 78 \ 2 scan0188 | |
| Requesting facts concerning rear shock absorber tests for standardisation purposes. | 22th May 1919 | Box 78 \ 2 scan0189 | |
| Standardisation of rear shock absorbers, seeking special permission to proceed before testing is complete. | 22th May 1919 | Box 78 \ 2 scan0190 | |
| Tentative decision on the production of standard stampings, castings, and jigs for rear shock dampers. | 22th May 1919 | Box 78 \ 2 scan0191 | |
| Notification of receipt for 4 solid drawn brass tubes and 12 felt washers for experiments. | 11th Oct 1919 | Box 78 \ 2 scan0192 | |
| Origin, road testing, and further modifications of shock absorbers for standard cars. | 16th Oct 1919 | Box 78 \ 2 scan0193 | |
| Suitability of adopting shock absorbers as a standard feature. | 16th Oct 1919 | Box 78 \ 2 scan0194 | |
| Instruction to fit a set of proposed standard rear shock absorbers to Mr. Hanbury's and Mr. Northey's Trials cars. | 22th May 1919 | Box 78 \ 2 scan0195 | |
| Instruction to make two more experimental sets of rear shock absorbers and fit them to Mr. Hanbury's and Mr. Northey's cars. | 5th Nov 1919 | Box 78 \ 2 scan0196 | |
| The decision to fast-track the production of rear shock absorbers based on a bumping test. | 26th Apr 1917 | Box 78 \ 2 scan0197 | |
| Requesting to proceed with the manufacture and testing of rear shock absorbers. | 20th Nov 1919 | Box 78 \ 2 scan0198 | |
| From C.J. discussing the conditions and potential risks of implementing an improved shock absorber design. | 15th Nov 1919 | Box 78 \ 2 scan0199 | |
| Issues with cantilever springs and advocating for the urgent adoption of shock absorbers. | 8th Nov 1919 | Box 78 \ 2 scan0200 | |
| Squeaking issues with new thick-leaf rear springs compared to older thin-leaf springs. | 13th Nov 1919 | Box 78 \ 2 scan0201 | |
| List of parts to be fitted to a chassis for a 10,000-mile test run. | 19th Nov 1919 | Box 78 \ 2 scan0202 | |
| The development status of rear shock absorbers for the 40/50 chassis. | 1st Dec 1919 | Box 78 \ 2 scan0203 | |
| Requesting a sample set of rear shock absorber parts for standardisation, following Mr. Royce's suggestion. | 12th Dec 1919 | Box 78 \ 2 scan0204 | |
| Instructions and measurements for rear shock absorbers and various spring configurations. | 2nd Dec 1919 | Box 78 \ 2 scan0205 | |
| Minutes of a meeting regarding an alteration to shorten rear springs for fitting Rear Check Absorbers. | 12th Dec 1919 | Box 78 \ 2 scan0206 | |
| Notification of goods received from various suppliers for specific experiments and orders. | 1st Jan 1920 | Box 78 \ 2 scan0207 | |
| List of new parts fitted to a car scheduled for a 10,000-mile run, with remarks on their performance or purpose. | 16th Jan 1920 | Box 78 \ 2 scan0208 | |
| Potential manufacturing issue with rear shock absorbers on drawing N.573, highlighting two holes being too close and a lever requiring handing. | 16th Jan 1920 | Box 78 \ 2 scan0209 | |
| Wire communication regarding a detached shock absorber lever and the suggested fix. | 19th Jan 1920 | Box 78 \ 2 scan0210 | |
| Petrol and air pressure leak in new rear shock absorbers, suggesting a design alteration. | 19th Jan 1920 | Box 78 \ 2 scan0211 | |
| Broken back shock absorber on an experimental car and the resulting poor road handling. | 22th Jan 1920 | Box 78 \ 2 scan0212 | |
| Road-holding and steering issues on various cars, including the Trials Landaulette. | 22th Jan 1920 | Box 78 \ 2 scan0213 | |
| Mr. de Salamanca's complaint about weak springs, poor road holding, and the suggestion to fit shock absorbers. | 22th Jan 1920 | Box 78 \ 2 scan0214 | |
| Letter about a faulty rear shock absorber, broken luggage grid, and engine running issues. | 23th Jan 1920 | Box 78 \ 2 scan0215 | |
| Responding to complaints about a 10,000 miles test car's shock absorbers and tyres. | 23th Jan 1920 | Box 78 \ 2 scan0216 | |
| Road stability issues of a trials landaulette and planned modifications. | 23th Jan 1920 | Box 78 \ 2 scan0217 | |
| Report discussing a vehicle peculiarity and comparing it with other high-speed cars like Lanchester and Lancia. | 22th Jan 1920 | Box 78 \ 2 scan0218 | |
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