| Description | Date | Identifier | |
| Revised diagram for a distribution board fitted with a green lamp. | 15th Sep 1928 | Box 65 \ 2 scan0127 | |
| Notification to hold instructions regarding the S.S. Chassis distribution board, cutout, and green lamp switch. | 18th Sep 1928 | Box 65 \ 2 scan0128 | |
| Technical memorandum detailing the design and testing of electrical circuits, fuses, and a switchbox/ignition system. | 18th Sep 1928 | Box 65 \ 2 scan0129 | |
| Fusing current of main and distributing fuses and the specifications for ammeters. | 19th Sep 1928 | Box 65 \ 2 scan0130 | |
| New, more robust electrical wiring circuit with a separate charging switch. | 19th Sep 1928 | Box 65 \ 2 scan0131 | |
| Proposed arrangement for electrical wiring and switching. | 21th Sep 1928 | Box 65 \ 2 scan0132 | |
| Adding a charging switch to the ignition system to control battery charging during testing. | 21th Sep 1928 | Box 65 \ 2 scan0133 | |
| Requesting experimental demonstration of electrical faults and reporting a spotlight earthing issue. | 21th Sep 1928 | Box 65 \ 2 scan0134 | |
| Revisions to the electrical installation for chassis EAC.10, including wiring diagrams and component modifications. | 22th Sep 1928 | Box 65 \ 2 scan0135 | |
| New scheme for an electrical switchbox to avoid destructive sparking. | 25th Sep 1928 | Box 65 \ 2 scan0136 | |
| Minor criticisms and suggestions for an electrical installation diagram. | 25th Sep 1928 | Box 65 \ 2 scan0137 | |
| Correct way to indicate current direction on electrical diagrams. | 29th Sep 1928 | Box 65 \ 2 scan0138 | |
| Car electrical equipment, focusing on the testing of earths and specifications for various fuses. | 29th Sep 1928 | Box 65 \ 2 scan0139 | |
| The limitations of fuses and fuse holders when using higher output dynamos. | 29th Sep 1928 | Box 65 \ 2 scan0140 | |
| Typed report page discussing fusing current, oxidising current, and proposed further tests for a higher output machine. | 10th Oct 1928 | Box 65 \ 2 scan0141 | |
| Redrawn EAC.10 wiring diagram blueprint and its reproduction. | 10th Oct 1928 | Box 65 \ 2 scan0142 | |
| Request for blueprints and parts for a chassis distribution board, cutout, and green lamp switch. | 6th Oct 1928 | Box 65 \ 2 scan0143 | |
| The withdrawal of a standardisation sheet for an electrical connection on chassis parts. | 17th Oct 1928 | Box 65 \ 2 scan0144 | |
| Continuation page of a parts list, including drawing numbers, quantities, and related instructions. | 6th Oct 1928 | Box 65 \ 2 scan0145 | |
| Revisions required for an SS wiring diagram, including a missing switch and headlamp type clarification. | 6th Oct 1928 | Box 65 \ 2 scan0146 | |
| Standardisation of the electrical connection of the cutout shunt coil to the dynamo terminal. | 5th Sep 1928 | Box 65 \ 2 scan0147 | |
| Use of different wire strands and fuse ratings for main and accessory electrical distribution boards. | 2nd Nov 1928 | Box 65 \ 2 scan0148 | |
| Technical memo discussing the correct wiring and fusing for high and low current accessories, such as cigar lighters. | 2nd Nov 1928 | Box 65 \ 2 scan0149 | |
| Use of single and twisted strand fuse wires for an electrical system, including considerations for a cigar lighter. | 15th Nov 1928 | Box 65 \ 2 scan0150 | |
| Observations on the fusing amperage of various gauges of single and double wire fuses for distribution boards. | 16th Nov 1928 | Box 65 \ 2 scan0151 | |
| Recommendation on sizing conductor wires for accessories based on the fuse rating to instruct coachbuilders. | 22th Nov 1928 | Box 65 \ 2 scan0152 | |
| Deprecating a change to the EAC.10 distribution board's main battery fuse, citing it as dangerous. | 30th Nov 1928 | Box 65 \ 2 scan0153 | |
| Continued discussion on fuse arrangements, capacity, and the dangers of removing fuses while the engine is running. | 3rd Dec 1928 | Box 65 \ 2 scan0154 | |
| Instruction sheet detailing tests and settings for a distribution board on chassis S.S.1. | 3rd Dec 1928 | Box 65 \ 2 scan0155 | |
| Instructions detailing manganin wire specifications and voltage settings for an electrical switch. | 8th Dec 1924 | Box 65 \ 2 scan0156 | |
| Fault where the green lamp on the S.S. Distribution Board fails to switch off due to an overlooked circuit path. | 13th Dec 1928 | Box 65 \ 2 scan0157 | |
| Blueprint wiring diagram for an S.S. Distribution Board, incorporating a green lamp switch, with connections for production testing. | 11th Dec 1928 | Box 65 \ 2 scan0158 | |
| Modifications and suggestions for a 'Green Light Scheme' unit. | 11th Dec 1928 | Box 65 \ 2 scan0159 | |
| Technical memorandum discussing the operation and testing of a green lamp switch. | 2nd Dec 1928 | Box 65 \ 2 scan0160 | |
| Follow-up report discussing the procedure for breaking an armature in relation to the field with an angular delay. | 12th Dec 1928 | Box 65 \ 2 scan0161 | |
| Wiring diagram for an S.S. Distribution Board incorporating a Green Lamp Switch. | 2nd Jan 1929 | Box 65 \ 2 scan0162 | |
| Complication with the S.S. Distribution Board Green Lamp Switch causing dynamo polarity reversal. | 19th Dec 1928 | Box 65 \ 2 scan0163 | |
| Analysis of an electrical circuit issue involving a switchbox, dynamo, and lamp. | 19th Dec 1928 | Box 65 \ 2 scan0164 | |
| Continuation of a report discussing an electrical fault involving a green lamp circuit and switchbox. | 20th Dec 1928 | Box 65 \ 2 scan0165 | |
| Modification to the S.S. electrical system, disconnecting the green lamp coil to prevent dynamo polarity reversal. | 20th Dec 1928 | Box 65 \ 2 scan0166 | |
| Proposed accumulator charge indicator green lamp scheme with a circuit diagram. | 26th Dec 1928 | Box 65 \ 2 scan0167 | |
| Investigation into the green lamp scheme on car 18-EX in France, detailing the cause of a fault and the proposed solution. | 28th Dec 1928 | Box 65 \ 2 scan0168 | |
| Inspection and adjustment instructions for the distribution board on a 40/50 HP chassis, incorporating a green lamp switch. | 31th Jan 1929 | Box 65 \ 2 scan0169 | |
| Continued set of instructions for checking fuse holders, fuse sizes, and testing insulation. | 31th Jan 1929 | Box 65 \ 2 scan0170 | |
| Page detailing an electrical testing procedure for a distribution board, dynamo, and cutout, including specific voltage and amperage readings. | 31th Jan 1929 | Box 65 \ 2 scan0171 | |
| Instructions for testing dynamo and cutout contact points using ammeters and a voltmeter. | 31th Jan 1929 | Box 65 \ 2 scan0172 | |
| Wiring diagram for an S.S. Distribution Board incorporating a green lamp switch, showing connections for production testing. | 27th Feb 1929 | Box 65 \ 2 scan0173 | |
| Diagram of a chassis electrical system, showing alternative green lamp or auto charge control switch units. | 27th Feb 1929 | Box 65 \ 2 scan0174 | |
| Results of comparative life tests on switchbox and cut-out contacts. | 28th Feb 1929 | Box 65 \ 2 scan0175 | |
| Switchbox life tests for a 20 HP vehicle. | 23th Feb 1929 | Box 65 \ 2 scan0176 | |
| Cut-out failure testing, comparing field break first versus armature break first sequences. | 29th Apr 1929 | Box 65 \ 2 scan0177 | |
| Requesting cost figures and signature for a standardisation sheet concerning an electrical connection change. | 29th Apr 1929 | Box 65 \ 2 scan0178 | |
| Electrical connection of a cutout shunt coil and the status of its associated standardization sheet. | 29th Apr 1929 | Box 65 \ 2 scan0179 | |
| Specifications for the standard windings on an electrical cutout. | 1st May 1929 | Box 65 \ 2 scan0180 | |
| Electrical experimental record sheet for a cut-out shunt connected to terminal C. | 8th Dec 1928 | Box 65 \ 2 scan0181 | |
| Outlining the requirements for switchboxes to work with a long distribution box and auto switch unit. | 8th May 1929 | Box 65 \ 2 scan0182 | |
| Electrical connection of the positive end of the cutout shunt coil to dynamo terminal C instead of B. | 5th Sep 1928 | Box 65 \ 2 scan0183 | |
| Extract from a report on the satisfactory condition of a distribution board and an automatic switch. | 2nd May 1929 | Box 65 \ 2 scan0184 | |
| Modification details for the Distribution Board & Cut-out on the 40/50 Chassis 18-EX. | 23th Nov 1929 | Box 65 \ 2 scan0185 | |
| Reduced charge switching arrangement and its implications for the dynamo and cut-out shunt coil. | 30th Jan 1930 | Box 65 \ 2 scan0186 | |
| Hand-drawn schematic showing four figures illustrating different component connections. | 30th Jan 1930 | Box 65 \ 2 scan0187 | |
| Continued discussion on proposed electrical wiring modifications for switchbox and distribution box connections. | 30th Jan 1930 | Box 65 \ 2 scan0188 | |
| Technical note on indicating windings and a scheme for reduced charge switching in generators. | 30th Jan 1930 | Box 65 \ 2 scan0189 | |
| Request to produce a modified distribution board and cutout for a 40-50 HP Chassis No. 23-EX, detailing required parts and modifications. | 17th Mar 1930 | Box 65 \ 2 scan0190 | |
| Extract from Mr. Hancock's report on car 23-EX after a 5,000-mile test, concerning the distribution board and cutout. | 4th May 1930 | Box 65 \ 2 scan0191 | |
| Extract from Mr. Hancock's report on vehicle 23-EX after 9,000 miles, regarding the distribution board and cutout. | 21th May 1930 | Box 65 \ 2 scan0192 | |
| Burnt contact points on the cut out for experimental chassis 24-EX. | 7th Jun 1930 | Box 65 \ 2 scan0193 | |
| Production issue with black-enamelling on an Armature Spring and requesting an order for a new phosphor bronze version. | 29th Aug 1930 | Box 65 \ 2 scan0194 | |
| Request for the inspection, test and readjustment of a cut-out and ammeter from car 25-EX. | 27th Sep 1930 | Box 65 \ 2 scan0195 | |
| Electrical equipment failures on a left-hand chassis during a 10,000-mile test in France. | 6th Oct 1930 | Box 65 \ 2 scan0196 | |
| Battery failure investigation during a 24-EX 10,000-mile electrical equipment test. | 10th Oct 1930 | Box 65 \ 2 scan0197 | |
| Analysis of dynamo and cut-out unit failures during an extended mileage test. | 1st Oct 1930 | Box 65 \ 2 scan0198 | |
| Instruction sheet detailing the premature failure and replacement of cut-out points on car 24EX. | 23th Sep 1930 | Box 65 \ 2 scan0199 | |
| Instruction about a dynamo's state after a 10,000-mile test, noting potential revisions needed due to increased output and monitoring new parts on chassis 24EX for overheating. | 29th Oct 1930 | Box 65 \ 2 scan0200 | |
| Proposing a new specification for a distribution box & cut-out production test. | 29th Oct 1930 | Box 65 \ 2 scan0201 | |
| Cover sheet for a Specification of Inspection and Test for a Distribution Box & Cutout. | 3rd Nov 1930 | Box 65 \ 2 scan0202 | |
| Specification for production inspection, adjustment, and testing of a distribution box and cutout. | 30th Oct 1930 | Box 65 \ 2 scan0203 | |
| Test procedure for a dynamo and distribution box specifying operating limits for voltage, amperage, and resistance. | 30th Oct 1930 | Box 65 \ 2 scan0204 | |
| Procedural document outlining the steps for testing dynamo speed and ammeter readings related to cutout contacts. | 30th Oct 1930 | Box 65 \ 2 scan0205 | |
| Wiring diagram for a distribution box AC cutout test. | 11th Nov 1930 | Box 65 \ 2 scan0206 | |
| The standard arrangement for the switchbox and cutout, discussing circuit connections and test results. | 11th Nov 1930 | Box 65 \ 2 scan0207 | |
| Report comparing different electrical arrangements for cutouts and switchboxes, detailing issues like sparking and current management. | 17th Nov 1930 | Box 65 \ 2 scan0208 | |
| Instructions for testing a standard cutout operating with a high output dynamo. | 17th Nov 1930 | Box 65 \ 2 scan0209 | |
| 60-hour volt-drop test of a switchbox, detailing failure, adjustments, and measurements. | 1st Dec 1924 | Box 65 \ 2 scan0210 | |
| Instruction sheet with handwritten notes on the results of a 60-hour and 28,000 operation test on electrical points and a dynamo. | 8th Dec 1924 | Box 65 \ 2 scan0211 | |
| Instructions on the dynamo's electrical output, which seldom exceeds 14 amperes due to the headlamp load lowering system voltage. | 3rd Dec 1930 | Box 65 \ 2 scan0212 | |
| Electrical experimental record sheet for a distribution board with interchanged fuses. | 3rd Dec 1930 | Box 65 \ 2 scan0213 | |
| Cross-reference note for the 40/50 distribution box and Phantom cut-out. | 31th Dec 1930 | Box 65 \ 2 scan0214 | |
| Standardisation of chassis parts to use a longer distribution board and simplify the dynamo to battery circuit. | 10th Jul 1933 | Box 65 \ 2 scan0215 | |
| Standardisation document for a new chassis part, specifying the first series it will be fitted to and the date for testing. | 11th Dec 1933 | Box 65 \ 2 scan0216 | |
| Distribution board fitted with a green lamp, referencing drawing LeC. 2594. | 15th Sep 1928 | Box 65 \ 2 scan0217 | |
| Extract detailing wiring arrangements for a charging switch, accessory distribution board, and headlamp dimmer. | 22th Sep 1928 | Box 65 \ 2 scan0218 | |
| Mounting instructions for the accessory distribution board and a related modification. | 2nd Oct 1928 | Box 65 \ 2 scan0219 | |
| List of parts and production instructions for the S.S. Chassis Accessory Distribution Board. | 25th Oct 1928 | Box 65 \ 2 scan0220 | |
| Lack of provision for an earthing connection on the accessory distribution board. | 26th Oct 1928 | Box 65 \ 2 scan0221 | |
| Grading of fuses for the main and accessory distribution boards in the electrical system. | 1st Nov 1928 | Box 65 \ 2 scan0222 | |
| Electrical system requirements for heavy and small current accessories, such as a cigar lighter. | 1st Nov 1928 | Box 65 \ 2 scan0223 | |
| Clarifying the policy for accessory wiring, requiring single-pole systems earthed by the coachbuilder. | 15th Nov 1928 | Box 65 \ 2 scan0224 | |
| The equivalent double wire gauge for a single 30 S.W.G. fuse wire for distribution boards. | 16th Nov 1928 | Box 65 \ 2 scan0225 | |
| The correct sizing of conductor wires for accessories in relation to the fuse size. | 22th Nov 1928 | Box 65 \ 2 scan0226 | |
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