| Description | Date | Identifier | |
| Improvements to a starter motor system, focusing on a new magnetic switch and its advantages over other systems. | 5th Dec 1927 | Box 64 \ 2 scan0130 | |
| The unfinished scheme for a Phantom direct drive starter motor, outlining design modifications and further actions. | 5th Dec 1927 | Box 64 \ 2 scan0131 | |
| Potential for rounded gear teeth to cause jamming and suggesting the use of helical gears. | 8th Dec 1927 | Box 64 \ 2 scan0132 | |
| Replacing the No.1 starter scheme with a 2B scheme on chassis 9-EX, discussing motor and gear specifications. | 12th Dec 1927 | Box 64 \ 2 scan0133 | |
| The design and proportions for a sequence starter's gear teeth. | 23th Dec 1927 | Box 64 \ 2 scan0134 | |
| Instructions for fitting a 2.B scheme starter motor to a 9-EX chassis, detailing required parts and modifications. | 31th Dec 1927 | Box 64 \ 2 scan0135 | |
| Typed extract discussing the performance and planned improvements for a sequence starter. | 31th Dec 1927 | Box 64 \ 2 scan0136 | |
| Manufacturing of helical gears and comparing production methods. | 2nd Jan 1928 | Box 64 \ 2 scan0137 | |
| Description of the control circuits for a Super Sports sequence starter. | 1st Jan 1928 | Box 64 \ 2 scan0138 | |
| Design scheme, patent considerations, and recent improvements to an electrical-mechanical system. | 14th Jan 1927 | Box 64 \ 2 scan0139 | |
| Super Sports Sequence Starter, specifically the main switch magnet circuit and differences between interlock systems. | 14th Jan 1927 | Box 64 \ 2 scan0140 | |
| Continued memorandum discussing the necessity of carbon contacts for an electrical interlock. | 14th Jan 1928 | Box 64 \ 2 scan0141 | |
| Modifications to a starter motor, referencing blueprint LeC. 2417. | 23th Feb 1928 | Box 64 \ 2 scan0142 | |
| The dispatch of a new drawing for a starter motor and the return of the original drawing. | 23th Feb 1928 | Box 64 \ 2 scan0143 | |
| The starter motor of the 15-EX Phantom chassis with a sports body after 9000 miles. | 7th Mar 1928 | Box 64 \ 2 scan0144 | |
| Explaining why a starter motor is running backwards and how to correct it. | 26th Mar 1928 | Box 64 \ 2 scan0145 | |
| Issue with a Sequence Starter Motor, specifically abnormal friction in the plain bearing. | 3rd Apr 1928 | Box 64 \ 2 scan0146 | |
| Light test of an R. Bosch sliding armature motor which resulted in overheating. | 5th Apr 1928 | Box 64 \ 2 scan0147 | |
| Instructions and test results for a sequence starter motor. | 11th Apr 1928 | Box 64 \ 2 scan0148 | |
| Instruction note detailing an investigation into an overheating motor and its excessive current draw. | 8th Dec 1924 | Box 64 \ 2 scan0149 | |
| The resistance values for a new motor's windings and overall circuit. | 12th Apr 1928 | Box 64 \ 2 scan0150 | |
| Specifications for a Sequence Starter Motor 2B2 Scheme, detailing armature, field, and main windings. | 12th Apr 1928 | Box 64 \ 2 scan0151 | |
| Requesting temporary arrangements for a brake test on a new sequence starter motor for chassis 9-EX. | 12th Apr 1928 | Box 64 \ 2 scan0152 | |
| Test results for a Sequence Starter Motor K, measuring current, voltage, and speed under cold and warm conditions. | 27th Apr 1928 | Box 64 \ 2 scan0153 | |
| Request for blueprints of starter motor parts, specifically for the armature and commutator sections. | 30th Apr 1928 | Box 64 \ 2 scan0154 | |
| Blueprints for new parts required for a Starter Motor. | 30th Apr 1928 | Box 64 \ 2 scan0155 | |
| List of blueprints for new parts required for a starter motor, specifically bearings and brackets. | 30th Apr 1928 | Box 64 \ 2 scan0156 | |
| Modification to the main field winding of the Sequence Starter Motor 2B Scheme. | 3rd May 1928 | Box 64 \ 2 scan0157 | |
| Internal request to order three dozen brushes for a sequence starter sliding armature. | 10th May 1928 | Box 64 \ 2 scan0158 | |
| Request to change the field winding on a sequence starter motor for the 9-EX chassis. | 15th May 1928 | Box 64 \ 2 scan0159 | |
| Calculations and specifications for a sequence starter motor. | 16th Jun 1928 | Box 64 \ 2 scan0160 | |
| Page of calculations determining the number of conductors. | 28th Jun 1928 | Box 64 \ 2 scan0161 | |
| Test results for starter motors on a chassis under hot and cold conditions. | 28th Jun 1928 | Box 64 \ 2 scan0162 | |
| Test results for a J Motor under cold and hot conditions, detailing electrical and rotational speed measurements. | 30th Jun 1928 | Box 64 \ 2 scan0163 | |
| Calculation sheet for a 16:1 ratio sequence starter motor. | 30th Jun 1928 | Box 64 \ 2 scan0164 | |
| Page of calculations for engine speed, torque, and electrical resistance. | 30th Jun 1928 | Box 64 \ 2 scan0165 | |
| Urgent memo discussing design challenges with the Sequence Starter Motor No. 2B with tapered armature, particularly its tight electric and magnetic circuits. | 30th Jun 1928 | Box 64 \ 2 scan0166 | |
| Technical discussion on optimizing an electric motor's design by adjusting its electrical and magnetic circuits, including the armature, field winding, and air gap. | 30th Jun 1928 | Box 64 \ 2 scan0167 | |
| Page detailing experimental suggestions for motor field windings and mechanical parts. | 30th Jun 1928 | Box 64 \ 2 scan0168 | |
| Specifications and experimental proposals for motor field windings and terminals. | 30th Jun 1928 | Box 64 \ 2 scan0169 | |
| Page discussing instructions and urgency for work on an experimental chassis and motor windings. | 2nd Jul 1928 | Box 64 \ 2 scan0170 | |
| Specification sheet for Sequence Starter Motor K, listing resistance and setting values. | 2nd Jul 1928 | Box 64 \ 2 scan0171 | |
| Note on the alignment differences for a sequence motor between two design schemes. | 2nd Jul 1928 | Box 64 \ 2 scan0172 | |
| Page of calculations titled 'New Aspect of Calculations' for engine and conductor specifications. | 4th Jul 1928 | Box 64 \ 2 scan0173 | |
| Requesting new Field Coils for the Starter Motor Chassis 9-EX using a heavier section wire. | 11th Jul 1928 | Box 64 \ 2 scan0174 | |
| Instructions for building an experimental starter motor for the Phantom chassis to obtain performance data. | 2nd Jul 1928 | Box 64 \ 2 scan0175 | |
| List of special materials required for a 'data' machine, detailing part numbers and quantities of copper wire. | 12th Jul 1928 | Box 64 \ 2 scan0176 | |
| Clarifying the design and components for a new starter motor data machine. | 7th Jul 1928 | Box 64 \ 2 scan0177 | |
| Modification and testing of a No. 2B scheme starter motor for the 9-EX model. | 19th Jul 1928 | Box 64 \ 2 scan0178 | |
| Performance report on an experimental sequence starter motor. | 27th Jul 1928 | Box 64 \ 2 scan0179 | |
| The performance discrepancy of a motor, comparing test results against initial design calculations. | 22th Jun 1927 | Box 64 \ 2 scan0180 | |
| Continued analysis of motor performance, comparing torque-ampere characteristics and various armature designs. | 22th Jun 1927 | Box 64 \ 2 scan0181 | |
| Optimizing starter motor performance by comparing armature designs and proposing experimental tests. | 20th Aug 1928 | Box 64 \ 2 scan0182 | |
| On starter motor armature tests, reverting from a 45 slot to a 41 slot design and proposing a new 37 slot version. | 20th Aug 1928 | Box 64 \ 2 scan0183 | |
| Directive regarding work on Sequence Starter Motors for specific experimental chassis. | 29th Aug 1928 | Box 64 \ 2 scan0184 | |
| Instruction to hold work on starter motor armatures due to a design change from 45 to 41 slots. | 31th Aug 1928 | Box 64 \ 2 scan0185 | |
| Instructions for building two new 41-slot armatures for S.S. Chassis and Data Starter Motors. | 1st Sep 1928 | Box 64 \ 2 scan0186 | |
| Request to replace springs in a starter motor armature, with a table comparing poundages and rates. | 6th Sep 1928 | Box 64 \ 2 scan0187 | |
| Instructions to modify the starter armatures for the 'Data Motor' and 'Super Sports' models. | 8th Sep 1928 | Box 64 \ 2 scan0188 | |
| Requesting suggested taper and slot sizes for an S.S. Chassis armature alteration due to an urgent deadline. | 10th Sep 1928 | Box 64 \ 2 scan0189 | |
| Instructions for modifying a starter motor to prevent engagement thump and soften the outward blow. | 10th Sep 1928 | Box 64 \ 2 scan0190 | |
| Instruction regarding the fitting of a new spring to the sequence starter motor on chassis 9-EX. | 10th Sep 1928 | Box 64 \ 2 scan0191 | |
| Instructions regarding modifications to a Starter Motor 9-EX to stop thump on engagement. | 10th Sep 1928 | Box 64 \ 2 scan0192 | |
| Comparative table of starter motor particulars, sheet 2. | 12th Sep 1928 | Box 64 \ 2 scan0193 | |
| Modifications for the S.S Chassis Starter Motor & Data Machine, including new parts for the armatures and bearing bracket. | 18th Sep 1928 | Box 64 \ 2 scan0194 | |
| Instruction to change the spring in the sequence starter motor on 9-EX to improve cold engagement. | 29th Sep 1928 | Box 64 \ 2 scan0195 | |
| The performance and potential improvements for the No. 2B Scheme Sequence Starter Motor and Gear. | 10th Oct 1928 | Box 64 \ 2 scan0196 | |
| Armature engagement difficulties, specifically end thump and gear noise, and proposed solutions. | 27th Jul 1928 | Box 64 \ 2 scan0197 | |
| Motor performance issues like gear scream and insufficient power, with proposals for a new armature design. | 27th Jul 1928 | Box 64 \ 2 scan0198 | |
| Instructions for modifying a starter motor, detailing required parts and changes. | 11th Oct 1928 | Box 64 \ 2 scan0199 | |
| Failures and subsequent fixes for a sequence starter motor and gear. | 13th Oct 1928 | Box 64 \ 2 scan0200 | |
| 'B failure' discussing spring tension, gear engagement, and potential solutions like using a stronger spring or a rubber washer. | 17th Oct 1928 | Box 64 \ 2 scan0201 | |
| Performance of different washer materials and a new armature design for the sequence starter motor and gear. | 17th Oct 1928 | Box 64 \ 2 scan0202 | |
| Reliability and power issues of the 'SS' starter motor. | 8th Nov 1928 | Box 64 \ 2 scan0203 | |
| Excessive wear on a small pinion and noise issues with a starter gear for car 14-EX. | 8th Nov 1928 | Box 64 \ 2 scan0204 | |
| The design and production challenges of the No. 2B scheme starter motor and gear. | 8th Nov 1928 | Box 64 \ 2 scan0205 | |
| Technical memorandum discussing modifications and improvements to the SS starter motor, including ratios, pinion wear, and armature design. | 8th Nov 1928 | Box 64 \ 2 scan0206 | |
| Instructions to modify the armature and fit a new bush to the starter motor on 9-EX. | 9th Nov 1928 | Box 64 \ 2 scan0207 | |
| Peculiarities of the starter motor on car 9-EX, referencing a new armature design. | 9th Nov 1928 | Box 64 \ 2 scan0208 | |
| Technical memorandum detailing improvements and analysis for an 'SS' Starter Motor. | 10th Nov 1928 | Box 64 \ 2 scan0209 | |
| Modifications and trials for a motor, including starter motors and damping. | 14th Nov 1928 | Box 64 \ 2 scan0210 | |
| Modifications to the starter motor armature on chassis 9-EX. | 14th Nov 1928 | Box 64 \ 2 scan0211 | |
| Preliminary tests and fitting of a sequence starter motor with a reduced armature taper. | 16th Nov 1928 | Box 64 \ 2 scan0212 | |
| Technical memorandum regarding the S.S. Starter Motor, focusing on gear ratio, motor windings, and armature taper. | 16th Nov 1928 | Box 64 \ 2 scan0213 | |
| Note on reverting from 5° helical to parallel teeth for motor gears. | 16th Nov 1928 | Box 64 \ 2 scan0214 | |
| Specifications for three comparative trial springs for the 'SS' motor. | 16th Nov 1928 | Box 64 \ 2 scan0215 | |
| Specification sheet for alternative armature springs for an S.S. motor, including poundage and rate data. | 20th Nov 1928 | Box 64 \ 2 scan0216 | |
| Methodology and data for starter motor torque and flux. | 20th Nov 1928 | Box 64 \ 2 scan0217 | |
| Comparison of performance data for four different types of motors, including standard, sequence, and pre-war models. | 20th Nov 1928 | Box 64 \ 2 scan0218 | |
| Table of starter motor static torque data for various motor models. | 20th Nov 1928 | Box 64 \ 2 scan0219 | |
| Development and design of a sequence silent starter for large chassis engines. | 10th Dec 1923 | Box 64 \ 3 scan0001 | |
| Technical memorandum detailing the components and operation of a new starter system. | 1st Jan 1924 | Box 64 \ 3 scan0002 | |
| Typed memorandum discussing design specifications for an electromagnetic component. | 1st Jan 1924 | Box 64 \ 3 scan0003 | |
| Patenting improvements to the sequence silent starter. | 3rd Jan 1924 | Box 64 \ 3 scan0004 | |
| On the progress of work for the silent sequence starter for the EAC engine. | 28th Feb 1924 | Box 64 \ 3 scan0005 | |
| Secret memo regarding production considerations for the ERC.II model and a proposed relocation of the starter motor. | 1st Mar 1929 | Box 64 \ 3 scan0006 | |
| Desirability and placement of a fuse for the silent starter gear electrical circuit. | 3rd Jul 1924 | Box 64 \ 3 scan0007 | |
| From W.H. Reynolds & Co. enclosing sample rivets made from a 10% gold and 90% silver alloy. | 2nd Oct 1924 | Box 64 \ 3 scan0008 | |
| Instruction memo regarding sample nuts and a letter from W H Reynolds & Co. | 19th Jun 1924 | Box 64 \ 3 scan0009 | |
| Set of contact rivets in solid 10% gold-silver alloy for a silent starter gear. | 7th Oct 1924 | Box 64 \ 3 scan0010 | |
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