| Description | Date | Identifier | |
| Mr. Royce's instruction on the correct positioning of the ammeter within the circuit. | 27th Mar 1919 | Box 61 \ 2 scan0117 | |
| Requirements for low-resistance chassis wiring to avoid voltage fluctuations. | 1st May 1919 | Box 61 \ 2 scan0118 | |
| Technical note discussing electrical resistance and its importance, mentioning Bijur Regulation. | 26th Apr 1917 | Box 61 \ 2 scan0119 | |
| Attached letters from Messrs. Smith & Sons and Messrs. Lucas concerning test results and policy. | 23th May 1919 | Box 61 \ 2 scan0120 | |
| The electric lighting and starting system for post-war chassis, including dynamo and switchboard specifications. | 26th May 1919 | Box 61 \ 2 scan0121 | |
| Details on electrical connections, battery specifications, starter motor design, and auxiliary apparatus. | 26th May 1919 | Box 61 \ 2 scan0122 | |
| Description of a relay current, gearbox mechanism, motor reduction, and electrical lamp recommendations. | 26th May 1919 | Box 61 \ 2 scan0123 | |
| Telegram discussing the design of junction terminals for the wiring on a 40/50 HP chassis. | 28th May 1923 | Box 61 \ 2 scan0124 | |
| Photostat copies of electrical connection diagrams for the new Lucas dynamo. | 28th May 1919 | Box 61 \ 2 scan0125 | |
| List of components and reference numbers for the chassis electrical outfit. | 28th May 1919 | Box 61 \ 2 scan0126 | |
| Continued parts list for electrical components with corresponding reference numbers. | 3rd Jul 1919 | Box 61 \ 2 scan0127 | |
| Sales letter from A. Picard proposing a new Paris-Rhone self-starter and lighting set. | 3rd Jul 1919 | Box 61 \ 2 scan0128 | |
| Letter regarding the procurement and application of electrolytic vacuum valves. | 28th Aug 1919 | Box 61 \ 2 scan0129 | |
| Article from 'Motor Cycling' magazine detailing a new P. and H. lighting dynamo with an innovative slipping-clutch method for regulating output. | 10th Sep 1919 | Box 61 \ 2 scan0130 | |
| Editorial from 'Motor Cycling' magazine discussing the threat of foreign competition in the magneto and motorcycle market. | 10th Sep 1919 | Box 61 \ 2 scan0131 | |
| Letter from F. Hudson & Co. Ltd. promoting their new lighting sets and 'Icarus' Dome Wings. | 2nd Sep 1919 | Box 61 \ 2 scan0132 | |
| Advance information on a new 6-volt lighting set, including generator, battery, and lamp specifications. | 2nd Sep 1919 | Box 61 \ 2 scan0133 | |
| Product information sheet from F. HUDSON AND CO. LTD. regarding cells in Ebonite containers. | 1st Oct 1919 | Box 61 \ 2 scan0134 | |
| Description of the electrical system for the 40/50 HP Chassis, Series J.K., related to wiring diagram N.1293. | 1st Oct 1919 | Box 61 \ 2 scan0135 | |
| Technical document detailing the starting, ignition, and other electrical apparatus, including the dynamo. | 6th Oct 1919 | Box 61 \ 2 scan0136 | |
| Page describing the 'Rotax Leitner System' for dynamo regulation and the associated Lucas switchbox. | 6th Oct 1919 | Box 61 \ 2 scan0137 | |
| Description of the internal components and electrical connections of the switchbox and charging switch. | 6th Oct 1919 | Box 61 \ 2 scan0138 | |
| Explanation of the dynamo's charging circuit operation and fuse provisions. | 6th Oct 1919 | Box 61 \ 2 scan0139 | |
| Description of the dynamo charging system and operation of the head, side, and tail lamp switches. | 1st Oct 1919 | Box 61 \ 2 scan0140 | |
| Page detailing the specifications for an inspection lamp socket, battery, and ammeter. | 6th Oct 1919 | Box 61 \ 2 scan0141 | |
| Page describing the lamp connections, starter motor specifications, and the electrically operated main switch. | 6th Oct 1919 | Box 61 \ 2 scan0142 | |
| Description of the electromagnetically operated Actuator Box and the Push Button Switch. | 1st Oct 1919 | Box 61 \ 2 scan0143 | |
| Description of the Junction Box and the Steering Column Switch. | 16th Oct 1919 | Box 61 \ 2 scan0144 | |
| Description of the ignition switch, coil, ballast resistance, and contact breaker unit. | 6th Oct 1919 | Box 61 \ 2 scan0145 | |
| Description of the vehicle's electrical system, including the magneto, distributor, and various component connections. | 1st Oct 1919 | Box 61 \ 2 scan0146 | |
| Description of the electrical wiring and the function of the ammeter in the charging and discharging circuits. | 6th Oct 1919 | Box 61 \ 2 scan0147 | |
| Description of the connections for the motor, main switch, actuator box, and push-button switch. | 1st Oct 1919 | Box 61 \ 2 scan0148 | |
| Description of the electrical connections for the Lucas Junction Box and ignition system components. | 6th Oct 1919 | Box 61 \ 2 scan0149 | |
| Description of the function of fuses on the Lucas junction box in case of an electrical earth fault. | 6th Oct 1919 | Box 61 \ 2 scan0150 | |
| Instructions concerning the starter motor relay circuit and the procedure for removing fuses to examine the system. | 28th Oct 1919 | Box 61 \ 2 scan0151 | |
| Suggested points for an instruction book on tracing an electrical earth fault on a 40/50 HP Series J.K. chassis. | 28th Oct 1919 | Box 61 \ 2 scan0152 | |
| Guide for troubleshooting electrical earth faults in the ignition and battery systems. | 28th Oct 1919 | Box 61 \ 2 scan0153 | |
| Troubleshooting electrical earth faults and maintenance instructions for the dynamo. | 28th Oct 1919 | Box 61 \ 2 scan0154 | |
| Instructions for dynamo belt adjustment and Lucas switchbox fuse maintenance. | 28th Oct 1919 | Box 61 \ 2 scan0155 | |
| Instructions for the Weston Ammeter and maintenance procedures for the starter motor, including lubrication, brushes, and chain adjustment. | 28th Oct 1919 | Box 61 \ 2 scan0156 | |
| Instructions and warnings for the operation of the vehicle's lamps and main switch. | 28th Oct 1919 | Box 61 \ 2 scan0157 | |
| Instructions for the Lucas Junction Box fuses and the Contact Breaker & Distributor. | 6th Aug 1919 | Box 61 \ 2 scan0158 | |
| Instructions for setting the points on a high tension distributor. | 6th Aug 1919 | Box 61 \ 2 scan0159 | |
| The dispatch of the Electrical System Description for the 40/50 HP Chassis, Series J.K. | 30th Mar 1920 | Box 61 \ 2 scan0160 | |
| Letter from Rotax Motor Accessories Co. Ltd. offering a sample of their Dynamo Lighting and Starting Equipment for testing. | 7th May 1920 | Box 61 \ 2 scan0161 | |
| Letter from Rotax Motor Accessories Co. Ltd. regarding the specifications of an A.T. 12, 12-volt, 10-amp Dynamo. | 12th May 1920 | Box 61 \ 2 scan0162 | |
| Supply and repair of electrical parts for post-war chassis. | 13th May 1920 | Box 61 \ 2 scan0163 | |
| Listing various electrical parts for supply and repair. | 13th May 1920 | Box 61 \ 2 scan0164 | |
| Letter from Weston Electrical Instrument Co. Ltd. promoting their Model 280 Garage Testing Set. | 9th Jun 1921 | Box 61 \ 2 scan0165 | |
| Technical report on a 6-cylinder Delage chassis and its engine specifications. | 23th Jul 1920 | Box 61 \ 2 scan0166 | |
| Engine performance data (Revolutions vs Horsepower) and an analysis of the car's S.E.V. electrical equipment. | 23th Jul 1920 | Box 61 \ 2 scan0167 | |
| Letter from E.G. Ford requesting wiring diagrams for 1920 models for inclusion in a book. | 28th Jul 1920 | Box 61 \ 2 scan0168 | |
| Historical consideration of a combined starter and dynamo versus two separate machines. | 17th Nov 1920 | Box 61 \ 2 scan0169 | |
| Suitability and past experience with Bijur electrical equipment for the Goshawk B engine. | 30th Nov 1920 | Box 61 \ 2 scan0170 | |
| Developing a 12-volt Vibrator Regulator Control system and comparing it with a Bijur generator. | 30th Nov 1920 | Box 61 \ 2 scan0171 | |
| Continued memorandum comparing the material and labour costs of the current electrical system against the post-war Bosch system. | 30th Nov 1920 | Box 61 \ 2 scan0172 | |
| Description of the design and components of the Bleriot-Phi starting and lighting equipment. | 25th Feb 1921 | Box 61 \ 2 scan0173 | |
| Description of a dynamo's construction and output control system, including details on windings and voltage regulation. | 10th Dec 1920 | Box 61 \ 2 scan0174 | |
| Description of the voltage regulator operation for the dynamo charging system. | 10th Dec 1920 | Box 61 \ 2 scan0175 | |
| Description of a voltage regulator circuit and its components for controlling dynamo output and battery charging. | 16th Dec 1920 | Box 61 \ 2 scan0176 | |
| Page describing the voltage regulation, dynamo specifications, and the starter motor. | 10th Dec 1920 | Box 61 \ 2 scan0177 | |
| Technical description of two starter motor types and the vehicle's electrical switchboard. | 10th Dec 1920 | Box 61 \ 2 scan0178 | |
| Description of the relay switch, its solenoid operation, and the earthed return wiring system. | 10th Dec 1920 | Box 61 \ 2 scan0179 | |
| Page detailing the starter circuit, earth return, and lamp terminal connections. | 10th Dec 1920 | Box 61 \ 2 scan0180 | |
| The state of electrical accessories, comparing Delco and American Bosch, and considering in-house production. | 9th Apr 1921 | Box 61 \ 2 scan0181 | |
| Leaflet from the National Carbon Co. on locating starting motor troubles. | 20th Apr 1921 | Box 61 \ 2 scan0182 | |
| Promotional and informational pamphlet for Pyramid brand starting and lighting brushes. | 20th Apr 1921 | Box 61 \ 2 scan0183 | |
| Troubleshooting chart for locating automobile starting and lighting faults. | 21th Apr 1921 | Box 61 \ 2 scan0184 | |
| Arranging a visit to various firms to discuss electrical equipment and manufacturing processes. | 21th Apr 1921 | Box 61 \ 2 scan0185 | |
| Tender from Officine Elettro-Meccaniche for motor car electric lighting and starting gears. | 6th Jun 1921 | Box 61 \ 2 scan0186 | |
| Letter from an Italian firm about electric lighting and starting sets for cars. | 14th Jun 1921 | Box 61 \ 2 scan0187 | |
| Declining interest in a lighting and starting set from Officine Elettro-Meccaniche. | 15th Jul 1921 | Box 61 \ 2 scan0188 | |
| Cover note requesting a review of an attached letter regarding the Aspden Flywheel Dynamotor. | 6th Sep 1921 | Box 61 \ 2 scan0189 | |
| From EFC to Rg discussing the 'Aspden' flywheel dynamotor and the potential of electrical systems in motor cars. | 7th Sep 1921 | Box 61 \ 2 scan0190 | |
| Car design considerations and returning papers on the Aspden Flywheel Dynamotor. | 7th Sep 1921 | Box 61 \ 2 scan0191 | |
| Letter offering the sole agency for a German-manufactured motor car self-starting and lighting set. | 28th Oct 1921 | Box 61 \ 2 scan0192 | |
| Extract concerning the standardisation sheets for the 40/50 chassis electrical equipment, specifically about dynamo regulation. | 22th Jun 1922 | Box 61 \ 2 scan0193 | |
| Response to an enquiry regarding the modification of an electrical system from double pole to single pole connections for lamps. | 4th Dec 1922 | Box 61 \ 2 scan0194 | |
| The merits of single pole versus semi-earthed electrical systems. | 5th Dec 1922 | Box 61 \ 2 scan0195 | |
| Advantages of a semi-earthed chassis electrical system. | 5th Dec 1922 | Box 61 \ 2 scan0196 | |
| The implementation of an emergency fuse for lamp circuits and the merits of a semi-earthed system. | 5th Dec 1922 | Box 61 \ 2 scan0197 | |
| Emergency fuses and inspection lamp arrangements for the Goshawk system. | 5th Dec 1922 | Box 61 \ 2 scan0198 | |
| Proposal of a 'semi-earthed electrical system' for the E.A.C. chassis. | 24th Oct 1923 | Box 61 \ 2 scan0199 | |
| Page discussing the pros and cons of using a negative fuse in an automotive electrical system. | 24th Oct 1923 | Box 61 \ 2 scan0200 | |
| Comparison of vehicle electrical systems, detailing the disadvantages and differences in fusing and wiring. | 24th Oct 1923 | Box 61 \ 2 scan0201 | |
| Forthcoming diagram for adapting Goshawk units to the E.A.C.II system. | 24th Oct 1923 | Box 61 \ 2 scan0202 | |
| Diagram of a semi-earthed electrical system. | 5th Dec 1922 | Box 61 \ 2 scan0203 | |
| Proposed semi-earthed electrical system for Goshawk units. | 29th Oct 1923 | Box 61 \ 2 scan0204 | |
| Wiring diagram for vehicle electrics, including the starter motor, battery, and lighting circuits. | 12th Nov 1923 | Box 61 \ 2 scan0205 | |
| Secret memo from 'R' to 'EFC' discussing the re-wiring scheme for Goshawk and E.A.C.I. models. | 12th Nov 1923 | Box 61 \ 2 scan0206 | |
| Article from 'The Autocar' magazine reviewing the design of electric lighting and starting systems for 1924. | 9th Nov 1923 | Box 61 \ 2 scan0207 | |
| Review of electric lighting and starting systems from various manufacturers. | 9th Nov 1923 | Box 61 \ 2 scan0208 | |
| Review from 'The Autocar' magazine on electric lighting and starting systems from Ducellier, Lucas, M.C.L., Miller, and P. & H. | 9th Nov 1923 | Box 61 \ 2 scan0209 | |
| Article from 'THE AUTOCAR' magazine reviewing electric lighting and starting systems for motor cars. | 9th Nov 1923 | Box 61 \ 2 scan0210 | |
| Page from 'THE AUTOCAR' magazine detailing 1924 model engines and electrical systems from various manufacturers. | 9th Nov 1923 | Box 61 \ 2 scan0211 | |
| 'Small Car Talk' column from The Autocar magazine discussing early automotive innovations. | 9th Nov 1923 | Box 61 \ 2 scan0212 | |
| Explanation of the output characteristics of a battery-controlled third brush generator. | 12th Dec 1925 | Box 61 \ 2 scan0213 | |
| Technical explanation of the characteristics of an external electrical circuit and a shunt wound generator. | 12th Dec 1925 | Box 61 \ 2 scan0214 | |
| Technical explanation of the characteristics of a shunt wound machine for battery charging. | 12th Dec 1925 | Box 61 \ 2 scan0215 | |
| Technical explanation of generator characteristics, shunt wound machines, voltage, and amperage. | 12th Dec 1925 | Box 61 \ 2 scan0216 | |
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