| Description | Date | Identifier | |
| Production test table for a silent starter combined main and relay switch unit. | 6th Mar 1925 | Box 64 \ 3 scan0211 | |
| General table and a table of suggested limits for main switch gaps. | 9th Mar 1926 | Box 64 \ 3 scan0212 | |
| General table and suggested limits for relay switch gaps of a main and relay switch unit. | 9th Mar 1926 | Box 64 \ 3 scan0213 | |
| Specification for the production, inspection, adjustment, and testing of a combined main and relay switch unit. | 9th Mar 1926 | Box 64 \ 3 scan0214 | |
| Specifications and adjustment procedures for a main switch unit, including contact gap measurements. | 9th Mar 1926 | Box 64 \ 3 scan0215 | |
| Test procedures for a main switch, specifying current, voltage, and pressure parameters. | 9th Mar 1926 | Box 64 \ 3 scan0216 | |
| Specifications and test procedures for a relay switch, including a table of gap measurements and tolerances. | 9th Mar 1926 | Box 64 \ 3 scan0217 | |
| Page of test procedures for a relay switch unit, continued from a previous page. | 15th Mar 1926 | Box 64 \ 3 scan0218 | |
| Specification sheet showing gap measurements for the Silent Starter Main and Relay Switch Unit on model 9-EX. | 15th Mar 1926 | Box 64 \ 3 scan0219 | |
| Overhaul of a Silent Starter Combined Main & Relay Switch Unit removed from car 9-EX. | 10th Mar 1926 | Box 64 \ 3 scan0220 | |
| The distribution of a general arrangement print for a Starter Switch. | 3rd Jun 1926 | Box 64 \ 3 scan0221 | |
| Minor alterations to the gaps of the sequence silent starter. | 10th Jun 1926 | Box 64 \ 3 scan0222 | |
| From EFC to RHC about adjustments to the Silent Starter and Combined Main & Relay Switch Unit. | 10th Jun 1926 | Box 64 \ 3 scan0223 | |
| Adjustments and gap specifications for an automatic switch and sequence silent starter. | 15th Jun 1926 | Box 64 \ 3 scan0224 | |
| Specification table detailing the required gaps for a relay unit in various operational positions. | 15th Jun 1926 | Box 64 \ 3 scan0225 | |
| Modified sequence silent starter main switch and the requirement for official drawings for the Experimental Shop. | 21th Jun 1926 | Box 64 \ 3 scan0226 | |
| Particulars of a resistance unit in parallel with the main switch coil, including dimensions, resistance, and material specifications. | 5th Jul 1926 | Box 64 \ 3 scan0227 | |
| Adjustment scheme for an automatic switch sequence starter. | 15th Jul 1926 | Box 64 \ 3 scan0228 | |
| Order for 3 adjustable contact screws for the Experimental Department. | 21th Jul 1926 | Box 64 \ 3 scan0229 | |
| Telegram received by telephone, requesting a Phantom automatic switch urgently for inspection. | 1st Feb 1927 | Box 64 \ 3 scan0230 | |
| Design progress of a new automatic switch unit for a starter motor. | 27th Jan 1927 | Box 64 \ 3 scan0231 | |
| Dispatch of a Phantom sequence starter switch for examination. | 2nd Feb 1927 | Box 64 \ 3 scan0232 | |
| Despatch of a sequence starter and relay switch unit for inspection at West Wittering. | 2nd Feb 1927 | Box 64 \ 3 scan0233 | |
| Use of a duplex switch and combining parts of two different starter schemes. | 2nd Feb 1927 | Box 64 \ 3 scan0234 | |
| Continued memo discussing the elimination of faults in a pinion operated switch using the No.2 scheme. | 3rd Feb 1927 | Box 64 \ 3 scan0235 | |
| Operating conditions and electrical specifications for the EAC silent starter gear. | 1st Feb 1927 | Box 64 \ 3 scan0236 | |
| The conditions for correct operation of electrical circuits, including amperage and resistance values. | 1st Feb 1927 | Box 64 \ 3 scan0237 | |
| Electrical specifications for the operation of a main switch and associated circuits. | 1st Feb 1927 | Box 64 \ 3 scan0238 | |
| Description of the operation of Circuit 4 (HOLD OFF). | 10th Mar 1927 | Box 64 \ 3 scan0239 | |
| Request for the return of a Sequence Starter main switch which is holding up a car. | 10th Mar 1927 | Box 64 \ 3 scan0240 | |
| Return of a damaged sequence starter switch unit for a 9-EX chassis. | 11th Mar 1927 | Box 64 \ 3 scan0241 | |
| Preliminary report on a sequence starter motor which is not functioning correctly due to frictional and torque issues. | 7th May 1927 | Box 64 \ 3 scan0242 | |
| The arrangement and advantages of the No. 2 scheme sequence starter. | 10th May 1937 | Box 64 \ 3 scan0243 | |
| Test report detailing engagement faults between the motor pinion and the flywheel. | 10th May 1937 | Box 64 \ 3 scan0244 | |
| Design difficulties of a motor unit, comparing it with a standard and a post-war Bosch motor. | 10th May 1927 | Box 64 \ 3 scan0245 | |
| Comparison of motor winding arrangements and mechanical engagement, specifically against a Bosch motor. | 10th May 1927 | Box 64 \ 3 scan0246 | |
| Continued discussion on motor armature engagement issues and experimental modifications to the teazer winding. | 10th May 1927 | Box 64 \ 3 scan0247 | |
| Report page discussing trials to suppress armature rotation and comparing RR and Bosch motors. | 31th Aug 1927 | Box 64 \ 3 scan0248 | |
| The installation and function of an EAC Sequence Starter No. 2A on chassis 14-EX. | 31th Aug 1927 | Box 64 \ 3 scan0249 | |
| Specifications and development of the No. 2A scheme sequence starter. | 6th Sep 1927 | Box 64 \ 3 scan0250 | |
| Continuation page discussing further design proposals and items for an experimental chassis. | 6th Sep 1927 | Box 64 \ 3 scan0251 | |
| New main circuit switch for the Phantom starter gear to eliminate a 'thump' sound on engagement. | 12th Dec 1925 | Box 64 \ 3 scan0252 | |
| Specification for the production inspection and test of a pinion-operated switch. | 9th Jul 1926 | Box 64 \ 3 scan0253 | |
| Electrical experimental record sheet for a sequence starter pinion operated switch. | 19th Apr 1926 | Box 64 \ 3 scan0254 | |
| Electrical experimental record sheet for a sequence starter pinion operated switch. | 19th Apr 1926 | Box 64 \ 3 scan0255 | |
| Information regarding the electric starter press button switch, its installation, and compatibility. | 25th Jul 1924 | Box 64 \ 3 scan0256 | |
| E.A.C.II electric starter push button switch for the 40/50 HP chassis. | 8th Aug 1924 | Box 64 \ 3 scan0257 | |
| Parts list and instructions for an E.A.C.11 push button switch. | 29th Aug 1924 | Box 64 \ 3 scan0258 | |
| Dispatch of two prints for a Switch Cover, part of an E.A.C.11 push button switch assembly. | 5th Sep 1924 | Box 64 \ 3 scan0259 | |
| Instructions and specifications for an EAC Push Button Switch, including gap and limit values. | 19th Nov 1924 | Box 64 \ 3 scan0260 | |
| Gaps and limits for setting a push button switch. | 20th Nov 1924 | Box 64 \ 3 scan0261 | |
| Gap measurements and button depression for a push-button switch. | 14th Jan 1925 | Box 64 \ 3 scan0262 | |
| Confirming the agreed figures for gaps on the EAC push button switch and the decision to lengthen a carbon. | 1st Jan 1925 | Box 64 \ 3 scan0263 | |
| Instructions detailing figures and gaps for an EAC Push Button Switch, comparing them to previous specifications. | 15th Jan 1925 | Box 64 \ 3 scan0264 | |
| Instructions on the correct setting of copper and carbon gaps, allowing for wear. | 29th Jun 1920 | Box 64 \ 3 scan0265 | |
| Modified figures and allowances for a push button switch, including carbon and copper gaps. | 16th Jan 1925 | Box 64 \ 3 scan0266 | |
| Modification to the sequence starter's press button to prevent motors continuously driving the engine. | 25th Nov 1925 | Box 64 \ 3 scan0267 | |
| Confirming work is paused on a new proposal pending further instructions and ideas. | 1st Dec 1925 | Box 64 \ 3 scan0268 | |
| Design of a duplex press button starter switch and its associated wiring diagram. | 20th Jan 1926 | Box 64 \ 3 scan0269 | |
| Design principles for a duplex press button switch for the New Phantom model. | 2nd Feb 1926 | Box 64 \ 3 scan0270 | |
| Request to prepare a sequence starter circuit diagram for reproduction in an instruction book. | 5th Feb 1926 | Box 64 \ 3 scan0271 | |
| Diagram of a duplex press button switch for a new Phantom sequence starter. | 3rd Feb 1926 | Box 64 \ 3 scan0272 | |
| Specifications and ratios for a duplex push button switch. | 24th Jun 1926 | Box 64 \ 3 scan0273 | |
| Tables specifying the operational positions, component gaps, and depression formulas for duplex push button switches. | 25th Jun 1926 | Box 64 \ 3 scan0274 | |
| Specification table detailing the gaps and button depression for a duplex push button switch. | 25th Jun 1926 | Box 64 \ 3 scan0275 | |
| Table of specified gaps for a new duplex pushbutton switch. | 30th Jun 1926 | Box 64 \ 3 scan0276 | |
| Table of specified gaps for the new duplex push button switch. | 5th Jul 1926 | Box 64 \ 3 scan0277 | |
| Instruction to reroute the current supply for the silent starter's push-button switch to bypass the ammeter. | 6th Jul 1926 | Box 64 \ 3 scan0278 | |
| Production inspection and test specification for a duplex button switch. | 9th Jul 1926 | Box 64 \ 3 scan0279 | |
| Rebuilding of chassis EAC.7 and improvements to its Type 1 starter motor. | 2nd Jul 1927 | Box 64 \ 3 scan0280 | |
| Specifications and modifications for a Duplex Press Button Switch, including a table of gaps. | 3rd Jul 1926 | Box 64 \ 3 scan0281 | |
| Specifications and calculations for a contact mechanism, including dimensions, ratios, and gap tolerances. | 13th Jul 1926 | Box 64 \ 3 scan0282 | |
| Parts to be supplied for a starter switch modification test. | 14th Jul 1926 | Box 64 \ 3 scan0283 | |
| Specification sheet detailing measurements and ratios for a Duplex Push Button Switch. | 15th Jul 1926 | Box 64 \ 3 scan0284 | |
| Tables specifying the operational gaps and button depression for a duplex push-button switch. | 15th Jul 1926 | Box 64 \ 3 scan0285 | |
| Cover memo for revised tables of gaps relating to duplex push button switches. | 15th Jul 1926 | Box 64 \ 3 scan0286 | |
| Simplified sequence starter scheme, a patent question, and instructions for a new design. | 4th Jan 1928 | Box 64 \ 3 scan0287 | |
| Sequence starter memo attaching a copy of a previously referenced document. | 5th Jan 1928 | Box 64 \ 3 scan0288 | |
| Table of gap measurements and tolerances for a push button switch. | 13th Nov 1928 | Box 64 \ 3 scan0289 | |
| Instructions on the examination of a duplex push button switch after extensive mileage. | 14th May 1929 | Box 64 \ 3 scan0290 | |
| Alternative methods for starter motor lubrication. | 18th Mar 1929 | Box 64 \ 3 scan0291 | |
| Extract from Mr. Hancock's report on the satisfactory performance of a distribution board and an automatic switch. | 2nd May 1929 | Box 64 \ 3 scan0292 | |
| Bodywork details, including screens, wipers, horns, and door construction. | 23th Jan 1929 | Box 64 \ 3 scan0293 | |
| Suggestions and issues related to mounting the Lucas H.F. horn on the front of a 25HP car. | 29th Mar 1932 | Box 64 \ 3 scan0294 | |
| Unstable Klaxon horn support on the 12-EX model, which vibrates excessively and requires modification. | 1st Jul 1926 | Box 64 \ 3 scan0295 | |
| Difficulty with the SS. oil filler position relative to the klaxon horn and proposing a solution. | 17th Jan 1929 | Box 64 \ 3 scan0296 | |
| Chassis Alteration No. 7, proposing to replace the Klaxon horn with a Sparton S-O-S DeLuxe and relocate its mounting to the cylinder head. | 6th Feb 1929 | Box 64 \ 3 scan0297 | |
| Page two of a letter regarding the mounting and supply of horns. | 1st Jun 1933 | Box 64 \ 3 scan0298 | |
| Close-up photograph of a large multi-cylinder engine with a prominent air intake horn. | 23th Feb 1929 | Box 64 \ 3 scan0299 | |
| Potential for in-house manufacturing or licensing of electrical accessories like screen wipers and horns. | 23th Feb 1929 | Box 64 \ 3 scan0300 | |
| Manufacture of high-quality electrical accessories, such as windscreen wipers and horns, in-house versus adopting German-made Bosch products. | 1st Mar 1929 | Box 64 \ 3 scan0301 | |
| Change from a Klaxon rotary horn to a buzzer-type horn, evaluating Bosch and Sparton models. | 5th Mar 1929 | Box 64 \ 3 scan0302 | |
| Fitting a Bosch horn to car 25-EX due to the unavailability of an English substitute for the American market. | 2nd Aug 1930 | Box 64 \ 3 scan0303 | |
| Typed memo discussing the replacement of the obsolete rotary Klaxon horn with alternatives from Robert Bosch or Luvax for the L.H. Phantom II model. | 1st Aug 1930 | Box 64 \ 3 scan0304 | |
| J.S. to H.s. requesting an update regarding horns. | 25th Aug 1930 | Box 64 \ 3 scan0305 | |
| Search for a suitable English-made horn, comparing options from Klaxon, Bosch, and in-house manufacturing. | 26th Aug 1930 | Box 64 \ 3 scan0306 | |
| Fitting of different horns (Bosch, Klaxon, Lucas) to vehicles 25-EX and 26-EX. | 29th Aug 1930 | Box 64 \ 3 scan0307 | |
| Preference for British Klaxon or Lucas horns over German Bosch horns on the American chassis. | 1st Sep 1930 | Box 64 \ 3 scan0308 | |
| Fitting horns to left-hand drive Phantom II chassis destined for America. | 3rd Sep 1930 | Box 64 \ 3 scan0309 | |
| Supply of horns, clocks, and speedometers for the American L.H.Phantom II chassis. | 9th Sep 1930 | Box 64 \ 3 scan0310 | |
| | | | |
