| Description | Date | Identifier | |
| Letter seeking a decision on whether to proceed with further trials of a scheme or to cancel the proposal. | 11th Jun 1927 | Box 64 \ 3 scan0111 | |
| Status of the No.1 sequence starter scheme, pending trials of a No.2 scheme. | 14th Jun 1927 | Box 64 \ 3 scan0112 | |
| From 'R.' to 'EFC.' regarding the testing of a sequence starter for the EAC.7 engine. | 16th Jun 1927 | Box 64 \ 3 scan0113 | |
| Cancelling previous instructions and outlining new experiments for Sequence Starter Scheme No.1. | 22th Jun 1927 | Box 64 \ 3 scan0114 | |
| Difficulties and expense of fitting a No.1 sequence starter to the EAC.7 chassis. | 30th Jun 1927 | Box 64 \ 3 scan0115 | |
| Laboratory tests conducted on the No.1 scheme sequence starter. | 8th Jul 1927 | Box 64 \ 3 scan0116 | |
| Analysis of actuator box engagement and spiral performance under testing conditions. | 8th Jul 1927 | Box 64 \ 3 scan0117 | |
| Test report detailing the engagement and disengagement of a pinion and crankshaft under teazer and main power currents. | 8th Jul 1927 | Box 64 \ 3 scan0118 | |
| Test report comparing 20° and 5° spiral gears for an actuator switch mechanism, proposing an update for chassis 9-EX. | 8th Jul 1927 | Box 64 \ 3 scan0119 | |
| Modification to the Sequence Starter No.1 scheme for 9-EX, changing from a pinion operated switch to an actuator box operated switch. | 8th Jul 1927 | Box 64 \ 3 scan0120 | |
| Summary of experimental reports for the Sequence Starter No.1 scheme. | 8th Jul 1927 | Box 64 \ 3 scan0121 | |
| List of reference numbers for various Sequence starter motor and gear schemes. | 8th Aug 1927 | Box 64 \ 3 scan0122 | |
| Status report on various No.1 sequence starter gear components, specifically carcases and armatures. | 24th Aug 1927 | Box 64 \ 3 scan0123 | |
| The Sequence Starter No.1 Scheme, detailing the replacement and adjustment of a starter on chassis 9-EX. | 26th Aug 1927 | Box 64 \ 3 scan0124 | |
| Analysis of actuator box and pinion engagement angles for a sequence starter motor. | 26th Aug 1927 | Box 64 \ 3 scan0125 | |
| Continued analysis of actuator motor backlash and 'thump' noise, comparing different gear and pinion schemes. | 26th Aug 1927 | Box 64 \ 3 scan0126 | |
| Pinion and wheel teeth design, comparing rounded versus sharp corners to prevent jamming and proposing tests on a rubber buffer scheme. | 26th Aug 1927 | Box 64 \ 3 scan0127 | |
| Sequence starter schemes, comparing performance and methods to avoid jamming. | 26th Nov 1927 | Box 64 \ 3 scan0128 | |
| Design of gear teeth for an apparatus, focusing on noise reduction and engagement reliability. | 26th Nov 1927 | Box 64 \ 3 scan0129 | |
| Page 3 of a document discussing an experiment to reduce gear noise with helical teeth. | 8th Dec 1927 | Box 64 \ 3 scan0130 | |
| Selection and interchangeability of various sequence starter schemes for an engine. | 8th Dec 1927 | Box 64 \ 3 scan0131 | |
| Progress and redesign of a scheme, and the decision to abandon the original version. | 9th Jan 1928 | Box 64 \ 3 scan0132 | |
| Secret document detailing the three control circuits for the EAC.10 Super Sports sequence starter. | 9th Jan 1928 | Box 64 \ 3 scan0133 | |
| Description of proposed improvements for a patentable starter motor system, including a press button, motor, and magnetic switch unit. | 12th Mar 1928 | Box 64 \ 3 scan0134 | |
| Obsolete 'Contact Makers' purchased in 1925 for the Sequence Starter. | 12th Mar 1928 | Box 64 \ 3 scan0135 | |
| Responding to a previous query, authorizing the booking of six contacts and the disposal of the rest. | 28th Mar 1928 | Box 64 \ 3 scan0136 | |
| The weights of the R. Bosch and R.R. Sequence starter motor armatures. | 1st Jan 1929 | Box 64 \ 3 scan0137 | |
| Secret memo regarding the distribution of drawing LeC.1845 for a Starter Motor Actuator. | 12th Mar 1924 | Box 64 \ 3 scan0138 | |
| Specifications and drawings for electric starter actuator and pinion springs. | 15th Mar 1924 | Box 64 \ 3 scan0139 | |
| Design for a starter actuating device with suggestions for securing the coil. | 19th Mar 1924 | Box 64 \ 3 scan0140 | |
| Insulation test results for six starter solenoid coils. | 22th May 1924 | Box 64 \ 3 scan0141 | |
| Instructions detailing the average resistance and winding specifications for six EAC starter solenoid coils. | 12th Jun 1924 | Box 64 \ 3 scan0142 | |
| The parts for a silent starter gear actuator coil and requesting a prototype be made. | 26th Mar 1924 | Box 64 \ 3 scan0143 | |
| Secret internal memo with hand-drawn diagrams and annotations discussing design improvements for a sequence starter's actuator coil. | 28th Mar 1924 | Box 64 \ 3 scan0144 | |
| Improvements and testing for an Actuator Magnet Sequence Starter. | 8th Apr 1924 | Box 64 \ 3 scan0145 | |
| Requesting a blueprint and detailing a list of parts for a silent starter gear actuator. | 17th Apr 1924 | Box 64 \ 3 scan0146 | |
| Blueprints for parts relating to the Silent Starter Gear Actuator. | 25th Apr 1924 | Box 64 \ 3 scan0147 | |
| Instructions for the adjustment and testing of the silent starter gear actuator box unit. | 30th Oct 1924 | Box 64 \ 3 scan0148 | |
| Production test report for an E.A.C. Actuator Box 'A'. | 31th Oct 1924 | Box 64 \ 3 scan0149 | |
| Design improvements for a Sequence Starter, specifically for the bobbin, casing, and magnet. | 19th Jan 1926 | Box 64 \ 3 scan0150 | |
| List of prints for an Actuator, part of a Sequence Starter Motor. | 27th Jan 1926 | Box 64 \ 3 scan0151 | |
| Proposing a lubrication alteration for the Phantom starter actuation box on chassis 7-EX. | 23th Jun 1926 | Box 64 \ 3 scan0152 | |
| Lubrication of a fork on an actuating lever. | 23th Jun 1926 | Box 64 \ 3 scan0153 | |
| Specification for production inspection, adjustment, and testing of an EAC Actuator Box. | 9th Jul 1926 | Box 64 \ 3 scan0154 | |
| Page of test procedures for an actuator box and combined main switch/relay switch unit. | 19th Aug 1926 | Box 64 \ 3 scan0155 | |
| Chassis 12-EX after a 6000-mile test, noting performance of the dynamo, starter motor, and actuator box. | 19th Aug 1926 | Box 64 \ 3 scan0156 | |
| Technical memorandum detailing issues with a sequence starter scheme on an EAC.7 chassis and a proposed switch modification. | 6th Dec 1926 | Box 64 \ 3 scan0157 | |
| Testing a gear engagement mechanism, focusing on a spiral gear to reduce thump. | 6th Dec 1926 | Box 64 \ 3 scan0158 | |
| Troubleshooting and proposed modifications for a sequence starter mechanism. | 6th Dec 1926 | Box 64 \ 3 scan0159 | |
| Electrical experimental record sheet for a Sequence Starter actuator box. | 10th Nov 1924 | Box 64 \ 3 scan0160 | |
| Electrical experimental record sheet for a Sequence Starter actuator box. | 19th Apr 1926 | Box 64 \ 3 scan0161 | |
| Electrical experimental record sheet for a sequence starter actuator box. | 19th Apr 1926 | Box 64 \ 3 scan0162 | |
| Design and desirable placement of non-inductive resistances in a starter motor circuit. | 12th Jan 1924 | Box 64 \ 3 scan0163 | |
| Continuation page of a memorandum discussing electrical safety and the rearrangement of windings. | 12th Jan 1924 | Box 64 \ 3 scan0164 | |
| Secret memo about design changes and circuit queries for the X.9650 Electric Sequence Starter. | 15th Jan 1924 | Box 64 \ 3 scan0165 | |
| Design and justification for the E.A.C. starter. | 5th May 1924 | Box 64 \ 3 scan0166 | |
| Notes providing required information and corrections for drawing LeC. 1870 of a silent starter main switch unit. | 15th May 1924 | Box 64 \ 3 scan0167 | |
| Page 2 of a document describing the construction of an electrical component, including its windings, coils, and contacts. | 15th May 1924 | Box 64 \ 3 scan0168 | |
| Page detailing the construction of an electrical switch, with references to different views and assembly instructions. | 15th May 1924 | Box 64 \ 3 scan0169 | |
| Description of different views of an electrical magnet and switchbase assembly, including windings and resistance. | 14th May 1927 | Box 64 \ 3 scan0170 | |
| Page discussing the avoidance of expense in making mouldings for a device until more experience is gained. | 14th May 1927 | Box 64 \ 3 scan0171 | |
| Request for information on wire specifications for the EAC Silent Starter Gear. | 28th May 1924 | Box 64 \ 3 scan0172 | |
| Coil specifications for an E.A.C. silent starter gear. | 29th May 1924 | Box 64 \ 3 scan0173 | |
| Requesting particulars of resistance for a main switch. | 12th Jun 1924 | Box 64 \ 3 scan0174 | |
| Correcting previously supplied wire sizes for the EAC silent starter scheme. | 17th Jun 1924 | Box 64 \ 3 scan0175 | |
| Particulars of coils for the E.A.C. Silent Starter Gear. | 20th Jun 1924 | Box 64 \ 3 scan0176 | |
| Modifications to the windings and resistance of an E.A.C. silent starter gear. | 24th Jun 1924 | Box 64 \ 3 scan0177 | |
| Parts list for a Silent Starter Gear and Automatic Switch, referencing an accompanying blueprint. | 3rd Jul 1924 | Box 64 \ 3 scan0178 | |
| List of drawing numbers and corresponding part descriptions, page 2. | 3rd Jul 1924 | Box 64 \ 3 scan0179 | |
| Technical note detailing materials and sourcing for a switch and its components. | 3rd Jul 1924 | Box 64 \ 3 scan0180 | |
| Modifications and requesting clarification on an automatic switch design. | 17th Oct 1924 | Box 64 \ 3 scan0181 | |
| Specifications and adjustments for a combined main switch and relay switch unit. | 30th Oct 1924 | Box 64 \ 3 scan0182 | |
| Instructions for adjusting the main spring of a relay switch unit. | 30th Oct 1924 | Box 64 \ 3 scan0183 | |
| Revised gap adjustments for a combined main switch and relay switch unit. | 31th Oct 1924 | Box 64 \ 3 scan0184 | |
| Revised specifications for the contact gaps and spring tension of a combined main and relay switch unit. | 31th Oct 1924 | Box 64 \ 3 scan0185 | |
| Modifications, testing instructions, and the marking of experimental versus production units. | 31th Oct 1924 | Box 64 \ 3 scan0186 | |
| Specifications and ratios for the Main and Relay Switch Unit. | 3rd Nov 1924 | Box 64 \ 3 scan0187 | |
| Observations from the initial trial of the EAC.II silent starter gear units in the electrical laboratory. | 4th Nov 1924 | Box 64 \ 3 scan0188 | |
| Instructions for winding coils for an Actuator Box and Automatic Switch. | 5th Nov 1924 | Box 64 \ 3 scan0189 | |
| Standard Wire Gauge (SWG) for a hold-on coil in an Actuator Box & Automatic Switch. | 6th Nov 1924 | Box 64 \ 3 scan0190 | |
| Required modification to the silent starter gear to improve reliability. | 7th Nov 1924 | Box 64 \ 3 scan0191 | |
| Change in wire gauge specification for an Automatic Switch's Auxiliary Coil. | 7th Nov 1924 | Box 64 \ 3 scan0192 | |
| Seeking confirmation of wire sizes for an automatic switch and its components for production. | 10th Dec 1924 | Box 64 \ 3 scan0193 | |
| Confirming wire sizes for the EAC silent starter switch, while awaiting final confirmation for production. | 11th Dec 1924 | Box 64 \ 3 scan0194 | |
| Specification for the production inspection, adjustment, and testing of a combined main switch and relay switch unit. | 5th Mar 1928 | Box 64 \ 3 scan0195 | |
| Testing procedures for a main switch, detailing electrical and mechanical checks. | 5th Mar 1928 | Box 64 \ 3 scan0196 | |
| Specifications and verification procedures for a relay switch, including a table of contact gaps. | 1st Mar 1925 | Box 64 \ 3 scan0197 | |
| Continued test procedures for a relay switch unit. | 1st Mar 1925 | Box 64 \ 3 scan0198 | |
| Comparison of heavy and fine windings for a relay switch. | 6th Mar 1925 | Box 64 \ 3 scan0199 | |
| Instructions and descriptions for the X.8650 automatic switch. | 27th Oct 1925 | Box 64 \ 3 scan0200 | |
| Blueprints for an alternative scheme for securing the non-inductive resistance on an automatic switch. | 12th Nov 1925 | Box 64 \ 3 scan0201 | |
| Enclosing blueprints for a list of parts related to a main circuit switch. | 24th Dec 1925 | Box 64 \ 3 scan0202 | |
| Postponing the testing of a silent starter main and relay switch unit until minor modifications are made to the terminals. | 2nd Feb 1926 | Box 64 \ 3 scan0203 | |
| Issuance of prints for an automatic switch and sequence starter motor, with notes on manufacturing and part suitability. | 2nd Feb 1926 | Box 64 \ 3 scan0204 | |
| Model from the Pattern Shop for checking internal clearances and the use of a moulded base. | 2nd Jan 1926 | Box 64 \ 3 scan0205 | |
| General table of specifications for relay switch gaps. | 16th Feb 1926 | Box 64 \ 3 scan0206 | |
| The issuance of prints for sequence starter and starter switch parts. | 16th Feb 1926 | Box 64 \ 3 scan0207 | |
| Adjustments and a table of gap specifications for a silent starter combined main and relay switch. | 25th Feb 1926 | Box 64 \ 3 scan0208 | |
| Experimental record sheet for the E.H.C. M+R Switch A, tracking testing, modifications, and mileage. | 10th Nov 1924 | Box 64 \ 3 scan0209 | |
| Production test table for a silent starter combined main and relay switch unit. | 6th Mar 1925 | Box 64 \ 3 scan0210 | |
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