| Description | Date | Identifier | |
| Improvements, operational characteristics, and faults of a sequence starter motor and its switches. | 6th Mar 1929 | Box 64 \ 4 scan0198 | |
| Gear mechanism noise and disengagement, focusing on rotational knock, damper conditions, and pinion spring settings. | 6th Mar 1929 | Box 64 \ 4 scan0199 | |
| Continued report on motor and gear assembly adjustments, including damper, pinion, and armature specifications. | 22th Feb 1929 | Box 64 \ 4 scan0200 | |
| Tests and design issues concerning an engine starting mechanism, including springs, switches, and brushes. | 22th Feb 1929 | Box 64 \ 4 scan0201 | |
| Modifications and test results for a sequence starter motor. | 8th Mar 1929 | Box 64 \ 4 scan0202 | |
| The trial and performance of two-way press button switches on experimental cars. | 9th Mar 1929 | Box 64 \ 4 scan0203 | |
| Alterations to the S.S. Starter Switch, specifically replacing steel checks with brass. | 9th Mar 1929 | Box 64 \ 4 scan0204 | |
| Production test table for a combined main switch and auxiliary switch unit. | 11th Mar 1929 | Box 64 \ 4 scan0205 | |
| Production test table for a combined main switch and auxiliary switch unit. | 10th Jan 1929 | Box 64 \ 4 scan0206 | |
| Arranging the production of a new model S.S. press button switch following a telegram request. | 13th Mar 1929 | Box 64 \ 4 scan0207 | |
| Design criticisms and proposed alterations for a two-way press button starter switch. | 13th Mar 1929 | Box 64 \ 4 scan0208 | |
| Proposal to prevent damage to a switch casing during removal from the instrument board by coachbuilders. | 3rd Mar 1929 | Box 64 \ 4 scan0209 | |
| Alterations and new parts for an S.S. Starter Motor. | 3rd Mar 1929 | Box 64 \ 4 scan0210 | |
| Conditions for correct operation of the S.S. Sequence Starter Gear for motors with 18 S.W.G. teazer winding. | 14th Mar 1929 | Box 64 \ 4 scan0211 | |
| Continued technical specification detailing the operating conditions and electrical characteristics of circuits. | 14th Mar 1929 | Box 64 \ 4 scan0212 | |
| Continued description of the operational conditions for a main and auxiliary switch circuit. | 14th Mar 1929 | Box 64 \ 4 scan0213 | |
| Technical description and analysis of Circuits 3 and 4, detailing resistance and current calculations. | 14th Mar 1929 | Box 64 \ 4 scan0214 | |
| Continued description of the operational requirements for an auxiliary switch circuit. | 14th Mar 1929 | Box 64 \ 4 scan0215 | |
| Two-way press button starter switch, its alteration, and dispatch. | 14th Mar 1929 | Box 64 \ 4 scan0216 | |
| Request to produce weaker alternative bow springs for an 'SS' push button switch. | 14th Mar 1929 | Box 64 \ 4 scan0217 | |
| Test report on the current capacity of S.S Sequence starter main and auxiliary switch unit contacts. | 16th Mar 1929 | Box 64 \ 4 scan0218 | |
| Particulars of the sequence starter motor system for the 10,000 mile chassis 21-EX and 22-EX. | 16th Mar 1929 | Box 64 \ 4 scan0219 | |
| Continued list of specifications and recommendations for components like pinion springs, armatures, and damper pistons. | 16th Mar 1929 | Box 64 \ 4 scan0220 | |
| Component design recommendations for armature travel and damper function to prevent failure. | 16th Mar 1929 | Box 64 \ 4 scan0221 | |
| Particulars of the sequence starter motor system for chassis 21-EX and 22-EX. | 16th Mar 1929 | Box 64 \ 4 scan0222 | |
| Production instructions and recommendations for armature, spring, and pinion components. | 16th Mar 1929 | Box 64 \ 4 scan0223 | |
| Recommendation concerning release hole dimensions and armature travel to prevent damper failure. | 18th Mar 1929 | Box 64 \ 4 scan0224 | |
| Table of gap measurements for a main and auxiliary switch unit at different operational positions. | 18th Mar 1929 | Box 64 \ 4 scan0225 | |
| Suggesting an experimental comparison between parallel teeth and slightly spiral teeth for a gear system. | 22th Mar 1929 | Box 64 \ 4 scan0226 | |
| Secret internal report on the performance and improvements of the SS and 20 HP electrical starter. | 25th Mar 1929 | Box 64 \ 4 scan0227 | |
| Requesting modifications and testing for an S.S. Sequence Starter- Main & Auxiliary Switch, specifically concerning different pinion types. | 25th Mar 1929 | Box 64 \ 4 scan0228 | |
| Providing blueprints for a chassis starter switch for reference purposes only, detailing a revised fixing method. | 27th Mar 1929 | Box 64 \ 4 scan0229 | |
| Blueprints for a revised fixing method for the SS Chassis Starter Switch. | 27th Mar 1929 | Box 64 \ 4 scan0230 | |
| S.S. starter motor and associated components for a remodelled car. | 3rd Apr 1929 | Box 64 \ 4 scan0231 | |
| Extract from a daily report from France regarding a spare starter motor failure and button switch issues. | 3rd Apr 1929 | Box 64 \ 4 scan0232 | |
| Pinion and wheel binding issues in the S.S. Sequence Starter and proposing trials for a solution. | 3rd Apr 1929 | Box 64 \ 4 scan0233 | |
| Extract from a daily report from France detailing issues with a spare starter motor on car 22EX. | 4th Apr 1929 | Box 64 \ 4 scan0234 | |
| Failure of a starter motor on vehicle 22-EX due to a seized bearing. | 4th Apr 1929 | Box 64 \ 4 scan0235 | |
| Letter concerning the failure of a starter motor and Bijur system on a 22-EX car, and proposed solutions. | 6th Apr 1929 | Box 64 \ 4 scan0236 | |
| Production test table for a combined main and auxiliary switch unit. | 9th Apr 1929 | Box 64 \ 4 scan0237 | |
| Production test table for a combined main and auxiliary switch unit. | 9th Apr 1929 | Box 64 \ 4 scan0238 | |
| Urgent request to replace a flat carbon arm spring that was incorrectly left glass hard instead of being tempered. | 10th Apr 1929 | Box 64 \ 4 scan0239 | |
| Instructions to modify an S.S. main and auxiliary switch unit by increasing the carbon spring set to prevent sparking. | 15th Apr 1929 | Box 64 \ 4 scan0240 | |
| Status of various components for the SS. Sequence Starter. | 15th Apr 1929 | Box 64 \ 4 scan0241 | |
| Failure of an S.S. push button switch on a test rig and proposed solutions. | 15th Apr 1929 | Box 64 \ 4 scan0242 | |
| Failure of a new two-way push-button switch and suggesting the use of an older design. | 15th Apr 1929 | Box 64 \ 4 scan0243 | |
| Request to remove, readjust, and re-test a Main & Auxiliary Switch Unit from chassis 21-EX. | 17th Apr 1929 | Box 64 \ 4 scan0244 | |
| Extract from CWH's report from France concerning a persistently failing starter motor. | 19th Apr 1929 | Box 64 \ 4 scan0245 | |
| Test report on a modified S.S. starter motor pinion, concluding no improvement over the standard design. | 19th Apr 1929 | Box 64 \ 4 scan0246 | |
| The 10,000-mile test of the 22-EX car, covering issues with the steering, slipper drive, and starter motor. | 22th Apr 1929 | Box 64 \ 4 scan0247 | |
| Typed letter discussing a starter motor fault and its potential causes. | 22th Apr 1929 | Box 64 \ 4 scan0248 | |
| Modification of S.S. Starter equipment, including special pinions for experimental chassis. | 23th Apr 1929 | Box 64 \ 4 scan0249 | |
| Issues with a new two-way push-button switch, recommending a return to an earlier, more reliable design. | 23th Apr 1929 | Box 64 \ 4 scan0250 | |
| Replacement of an unsatisfactory starter switch on the SS chassis with an older model. | 24th Apr 1929 | Box 64 \ 4 scan0251 | |
| Material combinations for pinions and gear wheels using Nitralloy and nickel chrome steels. | 25th Apr 1929 | Box 64 \ 4 scan0252 | |
| Requesting assurance that production instructions for the S.S. Sequence Starter are complete and up-to-date. | 25th Apr 1929 | Box 64 \ 4 scan0253 | |
| List of particulars for a sequence starter motor system for S.S. production. | 25th Apr 1929 | Box 64 \ 4 scan0254 | |
| Numbered list of technical specifications and modifications for various components. | 26th Apr 1929 | Box 64 \ 4 scan0255 | |
| The thickness and angle of the carbon arm flat spring for the S.S. Starter Main & Auxiliary Switch. | 26th Apr 1929 | Box 64 \ 4 scan0256 | |
| Swapping a push button switch between experimental chassis 9-EX and 21-EX. | 26th Apr 1929 | Box 64 \ 4 scan0257 | |
| Use of sharp-edged versus rounded and backed-off teeth on S.S+ starter motor pinions. | 30th Apr 1929 | Box 64 \ 4 scan0258 | |
| Despatch of a sample S.S. push button switch. | 30th Apr 1929 | Box 64 \ 4 scan0259 | |
| The inspection of a sample S.S. starter motor push button switch. | 30th Apr 1929 | Box 64 \ 4 scan0260 | |
| Force required to operate an S.S. press button starter switch. | 4th May 1929 | Box 64 \ 4 scan0261 | |
| Tests on different pinion gear designs to resolve S.S. motor engagement jamming issues. | 4th May 1929 | Box 64 \ 4 scan0262 | |
| Use of sharp-edged pinions on experimental cars and the necessity of rounding them off. | 4th May 1929 | Box 64 \ 4 scan0263 | |
| Squeaking, braking proportions, oil leaks, and starter motor faults on experimental cars. | 6th May 1929 | Box 64 \ 4 scan0264 | |
| Experimental record sheet for a Sequence Starter (S.S) duplex push button switch. | 3rd Mar 1929 | Box 64 \ 4 scan0265 | |
| The sourcing and fitting of a push button switch for experimental chassis 19-EX. | 7th May 1929 | Box 64 \ 4 scan0266 | |
| Internal memorandum regarding the assembly of a new bow spring for a press button starter switch. | 7th May 1929 | Box 64 \ 4 scan0267 | |
| Instruction regarding the production of a push button switch for car 23-EX due to an unsatisfactory part, referencing alternative materials and blueprints. | 10th May 1929 | Box 64 \ 4 scan0268 | |
| Specifications for a new main armature spring for an SS starter motor. | 13th May 1929 | Box 64 \ 4 scan0269 | |
| Specification of inspection and test for a combined main and auxiliary switch unit. | 13th May 1929 | Box 64 \ 4 scan0270 | |
| Duplex automatic switch and push button switch for the 23-EX chassis, and an urgent request for a switch for a test rig. | 14th May 1929 | Box 64 \ 4 scan0271 | |
| Electrical experimental record sheet for a sequence starter main switch and relay unit. | 19th Apr 1928 | Box 64 \ 4 scan0272 | |
| Electrical experimental record sheet logging mileage and component status. | 14th May 1929 | Box 64 \ 4 scan0273 | |
| Electrical experimental record sheet for a sequence starter main switch and relay unit. | 19th Apr 1926 | Box 64 \ 4 scan0274 | |
| Fitting a push button starter switch to SS chassis cars. | 16th May 1929 | Box 64 \ 4 scan0275 | |
| 'Sg' to 'H' requesting an update on the self-starter breakdown of car 22-EX in France. | 22th May 1929 | Box 64 \ 4 scan0276 | |
| Test and mileage log for a main and auxiliary switch unit with mechanical interlock, designated Unit B. | 23th May 1929 | Box 64 \ 4 scan0277 | |
| Electrical experimental record sheet for a combined mains switch and auxiliary unit F. | 16th Jan 1929 | Box 64 \ 4 scan0278 | |
| Electrical experimental record sheet for a Sequence Starter (SS) duplex push button switch. | 12th Mar 1929 | Box 64 \ 4 scan0279 | |
| Instruction sheet on the condition of a sequence starter main and auxiliary switch unit. | 23th May 1929 | Box 64 \ 4 scan0280 | |
| Specifications, gaps, and arrangement for a duplex push button switch. | 24th May 1929 | Box 64 \ 4 scan0281 | |
| Modifications and corrections required for a press button starter switch. | 25th May 1929 | Box 64 \ 4 scan0282 | |
| Blueprint for a new Flywheel Gear Ring (G.77772) due to a material change for the 40/50-HP 'SS' Chassis. | 25th May 1929 | Box 64 \ 4 scan0283 | |
| Investigation report into a 22-EX starter failure that occurred in France. | 27th May 1929 | Box 64 \ 4 scan0284 | |
| Continued fault analysis of a switch and starter motor, comparing it to older and alternative systems. | 27th May 1929 | Box 64 \ 4 scan0285 | |
| Extract from a report comparing the pressure required for a new press button switch to previous models. | 30th May 1929 | Box 64 \ 4 scan0286 | |
| Extract from a report detailing the failure of a starter motor and subsequent damage caused by a short circuit. | 30th May 1929 | Box 64 \ 4 scan0287 | |
| Electrical experimental record sheet for a cut-out shunt connected to Terminal C. | 1st Jul 1929 | Box 64 \ 4 scan0288 | |
| Starter failure on car 22-EX, traced to an electrical fault caused by the use of ebonite. | 1st Jun 1929 | Box 64 \ 4 scan0289 | |
| Production adjustment specification for the combined main switch and auxiliary switch unit. | 1st Jun 1929 | Box 64 \ 4 scan0290 | |
| Adjustment procedures for main and auxiliary switch unit components. | 1st Jun 1929 | Box 64 \ 4 scan0291 | |
| Page 3 of a document detailing adjustments for a relay lever, gap distances and production inspection tests. | 3rd Jun 1929 | Box 64 \ 4 scan0292 | |
| Replacement of ebonite parts with bakelite mouldings to address starter failures. | 3rd Jun 1929 | Box 64 \ 4 scan0293 | |
| Directive regarding the replacement of ebonite parts with bakelite mouldings for S.S. starter systems. | 3rd Jun 1929 | Box 64 \ 4 scan0294 | |
| Modifications and observations of the S.S. starter motor system. | 4th Jun 1929 | Box 64 \ 4 scan0295 | |
| The trials and adjustments of a system on chassis 18-EX, discussing gear scream, springs, and an automatic switch. | 4th Jun 1929 | Box 64 \ 4 scan0296 | |
| Modifications and performance of a motor, discussing magnetic traction, contacts, and gear noise. | 4th Jun 1929 | Box 64 \ 4 scan0297 | |
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