| Description | Date | Identifier | |
| Page discussing the characteristics of generators, particularly third brush machines, and their interaction with external circuits. | 12th Dec 1925 | Box 61 \ 2 scan0217 | |
| The performance characteristics of generators and their interaction with batteries and external circuits. | 12th Dec 1925 | Box 61 \ 2 scan0218 | |
| Explanation of volt-ampere and battery characteristics at low speeds in a charging generator. | 12th Dec 1925 | Box 61 \ 2 scan0219 | |
| Volt-ampere characteristic curve diagram for a shunt machine. | 12th Dec 1925 | Box 61 \ 2 scan0220 | |
| Hand-drawn graph showing the Volt-Ampere characteristics of a controlled machine. | 16th Jun 1926 | Box 61 \ 2 scan0221 | |
| Introducing notes on the various possibilities of dynamo-battery combinations and potential improvements to the electrical system. | 16th Jun 1926 | Box 61 \ 2 scan0222 | |
| Development of an automatic voltage-operated cutout for a dynamo system. | 16th Jun 1926 | Box 61 \ 2 scan0223 | |
| Report page discussing ignition ballast resistance characteristics and observations on battery charging E.M.F. | 16th Jun 1926 | Box 61 \ 2 scan0224 | |
| Typed memorandum discussing the internal resistance, E.M.F., and charging characteristics of batteries. | 16th Jun 1926 | Box 61 \ 2 scan0225 | |
| Explaining the functioning of dynamo-battery combinations in chassis electrical systems. | 12th Jun 1926 | Box 61 \ 2 scan0226 | |
| Continued page describing the working conditions and potential faults in a dynamo-battery charging circuit. | 12th Jun 1926 | Box 61 \ 2 scan0227 | |
| Page discussing the effects of poor connections and resistance within the dynamo-battery charging circuit. | 2nd Jun 1926 | Box 61 \ 2 scan0228 | |
| Continued discussion on the inherent defects and principles of dynamo-battery systems. | 2nd Jun 1926 | Box 61 \ 2 scan0229 | |
| Technical description of completely externally regulated dynamo systems for a vehicle chassis. | 12th Jun 1926 | Box 61 \ 2 scan0230 | |
| The design principles of an external regulator for managing dynamo output and system voltage. | 2nd Jun 1926 | Box 61 \ 2 scan0231 | |
| Description of regulating a dynamo's field current using resistance, vibrating contacts and electro-magnetic windings. | 12th Jun 1926 | Box 61 \ 2 scan0232 | |
| Battery charging systems, dynamos, and field current regulation. | 2nd Jun 1926 | Box 61 \ 2 scan0233 | |
| Compromise design for dynamo systems, involving field resistance to regulate output. | 2nd Jun 1926 | Box 61 \ 2 scan0234 | |
| Compromise dynamo system using an electromagnetically operated relay switch for the field excitation circuit. | 12th Jun 1926 | Box 61 \ 2 scan0235 | |
| Description of the operation of the automatic dynamo charging system and relay unit. | 2nd Jun 1926 | Box 61 \ 2 scan0236 | |
| Description of the operation of an automatic electro-magnetic switch in a vehicle's battery charging system. | 12th Jun 1926 | Box 61 \ 2 scan0237 | |
| The utility and correct connection of a voltmeter on the chassis electrical system. | 21th Aug 1926 | Box 61 \ 2 scan0238 | |
| Battery charging conditions, voltage monitoring, and the development of automatic charging controls. | 21th Aug 1926 | Box 61 \ 2 scan0239 | |
| The merits of using a voltmeter versus an ammeter for monitoring a vehicle's electrical system. | 21th Aug 1926 | Box 61 \ 2 scan0240 | |
| Description of the functioning of the dynamo-battery combination in a chassis, focusing on the self-regulated type dynamo. | 4th Sep 1926 | Box 61 \ 2 scan0241 | |
| Continued explanation of dynamo-battery charging circuit principles, focusing on the effects of poor electrical connections. | 14th Sep 1926 | Box 61 \ 2 scan0242 | |
| Managing resistance in the dynamo-battery circuit and maintaining battery health. | 14th Sep 1926 | Box 61 \ 2 scan0243 | |
| Analysis of the dynamo-battery charging circuit, its current path, and potential points of failure. | 14th Sep 1936 | Box 61 \ 2 scan0244 | |
| Two-column list detailing electrical wiring connections and circuits for components like the dynamo, distribution box, and cutout. | 14th Sep 1926 | Box 61 \ 2 scan0245 | |
| List of electrical connections and a discussion on potential failure points in the dynamo-battery circuit. | 14th Sep 1926 | Box 61 \ 2 scan0246 | |
| Letter from M.C.L. and Repetition Ltd to Mr. Fowler Clark regarding potential business for electrical gear and aeroplane engine parts. | 3rd Jun 1927 | Box 61 \ 2 scan0247 | |
| Letter to Mr. E. Leighton of Messrs. M.C.L. & Repetition Ltd., apologising for a delayed response and discussing a potential meeting. | 9th Jun 1927 | Box 61 \ 2 scan0248 | |
| Notes on correspondence with Mr. H.C. Myers regarding the adoption of the single-wire electrical system versus the double-wire system. | 6th Apr 1927 | Box 61 \ 2 scan0249 | |
| Head-lamp failure, comparing the standard fuse system with a proposed buzzer alternative. | 6th Apr 1927 | Box 61 \ 2 scan0250 | |
| The ignition problem for the 20 HP chassis, considering stand-by options and dual ignition systems. | 9th Dec 1927 | Box 61 \ 2 scan0251 | |
| Notes on the advantages of the R.R. Electrical System, incorporating the R.R. type of auto charge control switch. | 9th Dec 1927 | Box 61 \ 2 scan0252 | |
| The functionality and arrangement of auto switches for battery charge control. | 1st Jun 1927 | Box 61 \ 2 scan0253 | |
| Page detailing the advantages of specific battery ignition testing procedures and operational modes for the car's electrical system. | 1st Jun 1927 | Box 61 \ 2 scan0254 | |
| List of advantages of the R.R. type auto charge control switch over the Midgley auto switch. | 1st Jun 1927 | Box 61 \ 2 scan0255 | |
| The advantages of dispensing with the series coil and using rigid contacts in an electrical system. | 1st Jun 1927 | Box 61 \ 2 scan0256 | |
| Dynamo brush wear, low-frequency vibration, and battery charging methods. | 1st Jun 1927 | Box 61 \ 2 scan0257 | |
| Continued discussion on battery charging, automatic refilling, and maintenance. | 15th Jan 1929 | Box 61 \ 2 scan0258 | |
| Cover memo for a report on the electrical system of the Chrysler car. | 15th Jan 1929 | Box 61 \ 2 scan0259 | |
| Technical description of the Chrysler electrical system. | 14th Jan 1929 | Box 61 \ 2 scan0260 | |
| Description of the coil, distributor, lighting controls, and current limiters. | 7th May 1929 | Box 61 \ 2 scan0261 | |
| Specifications for the 6-volt electrical system of the S.S. Phantom II. | 7th May 1929 | Box 61 \ 2 scan0262 | |
| Specifications document for electrical components including cutouts, fuses, low-tension wiring, and starter motors. | 7th May 1929 | Box 61 \ 2 scan0263 | |
| Proposed design for a 16 slot, 6-volt armature for S.S. | 7th May 1929 | Box 61 \ 2 scan0264 | |
| Proposed design for a 24-slot, 6-volt armature for 'S.S.', including dimensional drawings and wire gauge calculations. | 19th Aug 1919 | Box 61 \ 2 scan0265 | |
| The arrangement and necessity of fuses in dynamo circuits and distribution board connections. | 19th Aug 1919 | Box 61 \ 2 scan0266 | |
| Practice of placing a fuse in a dynamo's field circuit to prevent overheating. | 19th Aug 1919 | Box 61 \ 2 scan0267 | |
| Order of thin tin lead fuse wire for 250 chassis. | 21th Aug 1919 | Box 61 \ 2 scan0268 | |
| To Mr Clark detailing the receipt of parts from various suppliers for different experiments. | 24th Sep 1919 | Box 61 \ 2 scan0269 | |
| Dynamo lighting system failure due to a faulty fuse, recommending tin lead fuses over copper wire. | 2nd Dec 1919 | Box 61 \ 2 scan0270 | |
| Requesting the procurement of specific tin lead fuse wire. | 12th Dec 1919 | Box 61 \ 2 scan0271 | |
| Difficulties with fuses on Lucas equipment and the need for a standardized solution. | 4th Dec 1919 | Box 61 \ 2 scan0272 | |
| Letter to Lucas Electrical Co. Ltd. regarding dynamo noise, drive criticism, and suggestions for improving fuses. | 4th Dec 1919 | Box 61 \ 2 scan0273 | |
| Continued note regarding the type of fuse wire used for a junction box. | 6th Aug 1919 | Box 61 \ 2 scan0274 | |
| On constant current generators, detailing the failure of fuses as a safeguard and suggesting an iron wire resistance as a more permanent solution. | 6th Dec 1919 | Box 61 \ 2 scan0275 | |
| Letter from Lucas Electrical Co. Ltd. regarding the specifications of fuse wire for switchboards and junction boxes. | 10th Dec 1919 | Box 61 \ 2 scan0276 | |
| Urgent request for a specific gauge of fuse wire for a Lucas Switch-Box. | 15th Dec 1919 | Box 61 \ 2 scan0277 | |
| Instruction note confirming the receipt of fuse wire from the stores. | 22th Dec 1919 | Box 61 \ 2 scan0278 | |
| Failure of dynamo shunt fuses, attributing the cause to vibration and proposing a more substantial fuse wire. | 29th Dec 1919 | Box 61 \ 2 scan0279 | |
| Test report on the fusing amperage of a fuse wire from a Smith cut-out. | 29th Dec 1919 | Box 61 \ 2 scan0280 | |
| Instruction sheet detailing diameters and fusing points for various fuse wires. | 30th Dec 1919 | Box 61 \ 2 scan0281 | |
| Extract regarding the use of tin-lead fuse wire for a field winding fuse on a Lucas switchbox during a 10,000-mile test. | 30th Dec 1919 | Box 61 \ 2 scan0282 | |
| Extract detailing the receipt of various parts from suppliers for experiments and orders. | 1st Jan 1920 | Box 61 \ 2 scan0283 | |
| The advisability of using 30 S.W.G. tin lead fuse wire for the Lucas switchbox instead of the standard tinned copper wire. | 8th Jan 1920 | Box 61 \ 2 scan0284 | |
| Receipt note for tin fuse wire received from Simplex Conduits Co. Ltd. | 9th Jan 1920 | Box 61 \ 2 scan0285 | |
| Instruction sheet regarding the properties and use of tin-lead fuse wire. | 12th Jan 1920 | Box 61 \ 2 scan0286 | |
| Sending No. 30 S.W.G. tin lead fuse wire to Mr. Maddocks for testing in a Lucas switchbox. | 15th Jan 1920 | Box 61 \ 2 scan0287 | |
| Transition from Lucas to Glover wiring cables, colour standardisation, and the supply of fuse wire. | 16th Jan 1920 | Box 61 \ 2 scan0288 | |
| Requesting confirmation that a faulty cutout in a Lucas Switchbox was caused by faulty fuse contacts. | 16th Jan 1920 | Box 61 \ 2 scan0289 | |
| Wiring diagram for a Lucas Switchbox showing connections for lamps and a generator. | 24th Jan 1920 | Box 61 \ 2 scan0290 | |
| Use of ballast resistance in place of a fuse in a constant current dynamo circuit. | 26th Jan 1920 | Box 61 \ 2 scan0291 | |
| Investigation into protecting the Lucas E.575 dynamo by means of fuses in the field, control and negative wires. | 26th Jan 1920 | Box 61 \ 2 scan0292 | |
| Specifying fuse capacities and testing procedures for dynamo circuits. | 6th Aug 1919 | Box 61 \ 2 scan0293 | |
| Instruction requesting 20 amp fuse wire, specifying No. 20 S.W.G. as the nearest size. | 29th Jan 1920 | Box 61 \ 2 scan0294 | |
| Internal request to order three reels of different sized tin lead fuse wire for the Experimental Department. | 29th Jan 1920 | Box 61 \ 2 scan0295 | |
| Investigation into the protection of Lucas E.575 dynamo and battery circuits using fuses. | 3rd Feb 1920 | Box 61 \ 2 scan0296 | |
| Investigation into the minimum fusing currents for field, control, and main negative fuses. | 3rd Feb 1920 | Box 61 \ 2 scan0297 | |
| Results of an investigation into dynamo control and negative circuits, focusing on fuse performance under different conditions. | 1st Jan 1921 | Box 61 \ 2 scan0298 | |
| Technical note on dynamo fuse protection under various operating conditions. | 1st Feb 1920 | Box 61 \ 2 scan0299 | |
| Investigation into dynamo protection and fuse behavior under different temperature conditions. | 2nd Feb 1920 | Box 61 \ 2 scan0300 | |
| Technical analysis of fuse capacity and placement in electrical circuits for optimal protection. | 3rd Feb 1920 | Box 61 \ 2 scan0301 | |
| Wiring diagram with annotations and explanatory text regarding a fuse and cutout circuit. | 3rd Feb 1920 | Box 61 \ 2 scan0302 | |
| Fuse configurations for electrical system protection, including a diagram of a four-contact switch fuse. | 3rd Feb 1920 | Box 61 \ 2 scan0303 | |
| Continued discussion on different fuse provisions for dynamo and battery protection. | 3rd Feb 1920 | Box 61 \ 2 scan0304 | |
| Failure of Lucas cut-outs and a proposal to standardize the fuse wire. | 3rd Feb 1920 | Box 61 \ 2 scan0305 | |
| Design flaws and suggested improvements for a distribution board. | 3rd Feb 1920 | Box 61 \ 2 scan0306 | |
| The electrical fuse arrangement for lamps, Klaxon, and dynamo circuits. | 6th Aug 1919 | Box 61 \ 2 scan0307 | |
| Standardisation of 30 S.W.G. tin lead fuse wire for the Lucas switchbox. | 4th Feb 1920 | Box 61 \ 2 scan0308 | |
| Instruction sheet detailing the fuse wires used in the distribution box and their amperage ratings. | 5th Feb 1920 | Box 61 \ 2 scan0309 | |
| Replacement of copper fuse wire with a new lead tin alloy fuse wire for the instrument board switchbox. | 6th Feb 1920 | Box 61 \ 2 scan0310 | |
| Points for improvement on a distribution board for chassis 4 EX following an inspection and test. | 16th Feb 1920 | Box 61 \ 2 scan0311 | |
| Alterations to a fuse holder. | 6th Feb 1920 | Box 61 \ 2 scan0312 | |
| The examination and testing results for a distribution board. | 7th Feb 1920 | Box 61 \ 2 scan0313 | |
| Report page detailing issues and suggestions regarding fuse holders, spare fuse provisions, and electrical system protection. | 7th Feb 1920 | Box 61 \ 2 scan0314 | |
| Modifications to a distribution board, focusing on fuses, insulation, and layout to prevent short circuits. | 9th Feb 1920 | Box 61 \ 2 scan0315 | |
| The use and potential failure of fuses in a circuit, with a request for a sample distribution board. | 9th Feb 1920 | Box 61 \ 2 scan0316 | |
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