| Description | Date | Identifier | |
| Request to produce parts EL75 and EL76 to enable testing of a Cadillac starter motor. | 19th Dec 1934 | Box 62 \ 1 scan0286 | |
| Blueprint for a clutch case and pinion for a Cadillac starter motor. | 19th Dec 1934 | Box 62 \ 1 scan0287 | |
| Blueprint drawing for a cap for a Cadillac starter clutch case. | 5th Jan 1935 | Box 62 \ 1 scan0288 | |
| Testing of a modified thread on a Bentley Starter Motor before production. | 5th Jan 1935 | Box 62 \ 1 scan0289 | |
| Request to complete a modified Spectre starter motor for testing. | 17th Jan 1935 | Box 62 \ 1 scan0290 | |
| Request for two further Bentley geared starter motors with modified components as per specific drawings. | 28th Jan 1935 | Box 62 \ 1 scan0291 | |
| Update for geared starter motors. | 29th Jan 1935 | Box 62 \ 1 scan0292 | |
| Issues with the gears on the starter motor for model 5.B.IV and proposed modifications. | 4th Feb 1935 | Box 62 \ 1 scan0293 | |
| Proposal for a modified engagement method for the Spectre starter motor, outlining the disadvantages of the current system. | 7th Feb 1935 | Box 62 \ 1 scan0294 | |
| Description of a starter motor operation using a solenoid with engaging and hold-on windings. | 7th Feb 1935 | Box 62 \ 1 scan0295 | |
| Circuit diagram for a Spectre experimental starter motor scheme. | 8th Feb 1935 | Box 62 \ 1 scan0296 | |
| Modified method of engagement for a Spectre starter, comparing it to a previously discarded design. | 16th Feb 1935 | Box 62 \ 1 scan0297 | |
| Secret memo detailing a modified method of engagement for the Spectre starter motor. | 18th Feb 1935 | Box 62 \ 1 scan0298 | |
| Request for a solenoid to be made for experiments on the Spectre starter motor. | 22th Feb 1935 | Box 62 \ 1 scan0299 | |
| Requesting the fitment of a stronger pinion return spring to Bentley starter motor drives. | 8th Mar 1935 | Box 62 \ 1 scan0300 | |
| Proposal to supply a further set of starter motor gears for a Bentley 5.B.IV due to noise issues with previous sets. | 11th Mar 1935 | Box 62 \ 1 scan0301 | |
| Changing the gears for a 5.B.IV motor before a 10,000 mile test. | 11th Mar 1935 | Box 62 \ 1 scan0302 | |
| Requesting a 10,000-mile test and 500 additional starts for a starter motor. | 21th Mar 1935 | Box 62 \ 1 scan0303 | |
| Confirming the bore diameter for an experimental Bentley idler gear, DB.987. | 28th Mar 1935 | Box 62 \ 1 scan0304 | |
| Request for the production of two geared starter motors for specific test units and chassis. | 3rd Apr 1935 | Box 62 \ 1 scan0305 | |
| Modifications to geared starter motors. | 4th Apr 1935 | Box 62 \ 1 scan0306 | |
| Order for copper field winding bar. | 5th Apr 1935 | Box 62 \ 1 scan0307 | |
| Blueprint showing the cross-section of a copper bar for a starter motor. | 8th Apr 1935 | Box 62 \ 1 scan0308 | |
| Request for a set of poles to be made for a modified Spectre starter motor. | 8th Apr 1935 | Box 62 \ 1 scan0309 | |
| Test drive report on the Phantom II (28-EX) detailing several mechanical issues. | 8th Apr 1935 | Box 62 \ 1 scan0310 | |
| Modifications to an experimental Spectre starter motor No. S1. | 11th Apr 1935 | Box 62 \ 1 scan0311 | |
| Proposal to modify the Bentley Starter Motor to resolve a flywheel whistle issue by reverting to the 20/25 HP gear ratio. | 18th Apr 1935 | Box 62 \ 1 scan0312 | |
| Agreeing to a proposal for the Bentley starter motor, on the condition of thorough testing and standardization. | 26th Apr 1935 | Box 62 \ 1 scan0313 | |
| Requesting the modification of a Bentley starter motor for testing to eliminate flywheel whistle. | 29th Apr 1935 | Box 62 \ 1 scan0314 | |
| The specification for production inspection and testing of a new geared starter motor. | 13th May 1935 | Box 62 \ 1 scan0315 | |
| Notification regarding blueprints for a starter motor drive modification for the Bentley chassis to prevent whistling. | 14th May 1935 | Box 62 \ 1 scan0316 | |
| Special parts required to fit a geared starter motor to the 20/25 HP Chassis. | 17th May 1935 | Box 62 \ 1 scan0317 | |
| Faulty hand starter switch for Chassis B.48.CR, which engaged without being pressed due to a fractured securing screw. | 29th May 1935 | Box 62 \ 1 scan0318 | |
| Proposed solution for seizing pinions on 20/25 and Bentley starter motors. | 30th May 1935 | Box 62 \ 1 scan0319 | |
| Request to modify the solenoid on an experimental Spectre Starter Motor. | 4th Jun 1935 | Box 62 \ 1 scan0320 | |
| Trial of an 'Oilite' bush for a seized Phantom II starter motor in a tank engine. | 1st Jul 1935 | Box 62 \ 1 scan0321 | |
| Testing an oilite bush to replace a bronze bush in a 40/50 starter motor for tank engines. | 2nd Jul 1935 | Box 62 \ 1 scan0322 | |
| Brief summary of a meeting discussing modifications and issues with various vehicle components. | 10th Jul 1935 | Box 62 \ 1 scan0323 | |
| Progress report detailing work on various car models and components. | 10th Jul 1935 | Box 62 \ 1 scan0324 | |
| Action points regarding the design of a lighter propeller shaft and modifications to the brakes. | 10th Jul 1935 | Box 62 \ 1 scan0325 | |
| New drawings for the Bentley Starter Motor Drive parts and a new L.O.P. | 6th Aug 1935 | Box 62 \ 1 scan0326 | |
| Letter from Joseph Lucas Research Laboratories providing an amended cold-room test report. | 20th Aug 1935 | Box 62 \ 1 scan0327 | |
| Refrigerator starter test report from The Joseph Lucas Research Laboratories. | 19th Jul 1935 | Box 62 \ 1 scan0328 | |
| Standardisation of a nut, sleeve, and stop for the Bijur Drive on a starter motor to improve engagement. | 17th Jun 1935 | Box 62 \ 1 scan0329 | |
| Estimated cost of extra jigs, tools, and equipment for bringing a new part into production for the 'G' series chassis. | 14th Aug 1935 | Box 62 \ 1 scan0330 | |
| Standardisation of starter motor gears with a modified tooth form to improve wear and reduce noise. | 25th Jun 1935 | Box 62 \ 1 scan0331 | |
| Cost estimate for extra jigs, tools, and equipment for the 'G' series chassis production. | 25th Jun 1935 | Box 62 \ 1 scan0332 | |
| Request to manufacture an engaging solenoid for an experimental Phantom III starter motor. | 17th Oct 1935 | Box 62 \ 1 scan0333 | |
| Experimental department report on preliminary tests of a new starter motor scheme. | 26th Oct 1935 | Box 62 \ 1 scan0334 | |
| Modified method of engagement for the Phantom III starter motor. | 26th Oct 1935 | Box 62 \ 1 scan0335 | |
| Blueprint graph showing Brake Horse Power curves for standard and modified Phantom III starter motors. | 9th Nov 1935 | Box 62 \ 1 scan0336 | |
| Request to fit geared starter motors to several chassis models due to starting issues in cold conditions. | 9th Nov 1935 | Box 62 \ 1 scan0337 | |
| Cold starting tests performed on a Phantom III chassis in an ice room at Messrs. Lucas. | 14th Nov 1935 | Box 62 \ 1 scan0338 | |
| Request for details regarding the Phantom III starter motor solenoid for testing purposes. | 28th Nov 1935 | Box 62 \ 1 scan0339 | |
| Poor cold-start performance of the Phantom III starter motor and proposing modifications. | 29th Nov 1935 | Box 62 \ 1 scan0340 | |
| Letter to Messrs. Joseph Lucas, Ltd. requesting the use of their cold chamber for cold starting tests. | 29th Nov 1935 | Box 62 \ 1 scan0341 | |
| Letter from Joseph Lucas Research Laboratories regarding the availability of a cold room for vehicle testing. | 30th Nov 1935 | Box 62 \ 1 scan0342 | |
| Letter to Joseph Lucas Ltd. deferring a visit for cold room testing due to changes to induction pipes. | 3rd Dec 1935 | Box 62 \ 1 scan0343 | |
| Providing further details for an experimental Phantom III starter motor solenoid. | 4th Dec 1935 | Box 62 \ 1 scan0344 | |
| 40/50 engine tank starter motor fitted with an 'Oilite' driving end bearing bush. | 5th Dec 1935 | Box 62 \ 1 scan0345 | |
| Test results comparing an 'Oilite' bush with a standard bearing on a Phantom II engine starter motor. | 5th Dec 1935 | Box 62 \ 1 scan0346 | |
| Bearing tests, noting performance and suggesting alternative materials and further testing. | 5th Dec 1935 | Box 62 \ 1 scan0347 | |
| Modified starter motor engagement scheme for the Phantom III chassis. | 5th Dec 1935 | Box 62 \ 1 scan0348 | |
| Technical memorandum comparing a proposed starter motor engagement scheme with an existing one. | 5th Dec 1935 | Box 62 \ 1 scan0349 | |
| Circuit diagram detailing a motor system including windings and a main switch. | 5th Dec 1935 | Box 62 \ 1 scan0350 | |
| Wiring diagram for a Scintilla RA 1.3 HP 12V starter motor. | 13th Dec 1935 | Box 62 \ 1 scan0351 | |
| Request for starting torques and curves to compare the Phantom III and Phantom II engines and starter motors. | 13th Dec 1935 | Box 62 \ 1 scan0352 | |
| Cold starting torque data for the Phantom III chassis and attached brake test curves. | 14th Dec 1935 | Box 62 \ 1 scan0353 | |
| New flywheel gear ring for the Phantom III chassis to increase the starter motor gear ratio. | 31th Dec 1935 | Box 62 \ 1 scan0354 | |
| Notice regarding new parts required to produce a new starter motor armature and pinion for a Phantom III. | 17th Jan 1936 | Box 62 \ 1 scan0355 | |
| Requesting a new 18.5 to 1 starter gear ratio for chassis 36-EX and 37-EX, detailing the required part modifications. | 22th Jan 1936 | Box 62 \ 1 scan0356 | |
| Letter from an automotive components supplier regarding a 'Synchro-Start' car starter device. | 4th Feb 1936 | Box 62 \ 1 scan0357 | |
| Circuit diagram for the 'SYNCHRO-START' system, noting U.S. and Foreign Patents. | 4th Feb 1936 | Box 62 \ 1 scan0358 | |
| Description of the 'Synchro-Start' efficient automatic starter system. | 4th Feb 1936 | Box 62 \ 1 scan0359 | |
| The features, benefits, and operation of the SYNCHRO-START system. | 4th Feb 1936 | Box 62 \ 1 scan0360 | |
| Technical explanation of the Synchro-Start system's operation and its influence on the ignition. | 4th Feb 1936 | Box 62 \ 1 scan0361 | |
| Performance report detailing the benefits of a 'SYNCHRO-START' system, including test results and reliability claims. | 24th Oct 1935 | Box 62 \ 1 scan0362 | |
| Standardisation of the geared starter motor to align it with the Bentley standard. | 24th Oct 1935 | Box 62 \ 1 scan0363 | |
| Estimated cost of extra jigs, tools and equipment with a cost comparison between an old and new part. | 11th Oct 1935 | Box 62 \ 1 scan0364 | |
| Modification to the geared starter motor pinion bush to prevent it from sticking in cold weather. | 20th Feb 1936 | Box 62 \ 1 scan0365 | |
| Proposed alteration to the starter motor pinion bush for the 25/30 and Bentley chassis. | 4th Mar 1936 | Box 62 \ 1 scan0366 | |
| Request to update Test Car 32-EX with a new starter motor gear ratio and a new type of cutout. | 4th Mar 1936 | Box 62 \ 1 scan0367 | |
| Promotional brochure for the Synchro-Start automatic starter control system, detailing its features, benefits, and installation. | 4th Mar 1936 | Box 62 \ 1 scan0368 | |
| Promotional document outlining the benefits of the Synchro-Start system under the categories of economy, safety, convenience, and power. | 4th Mar 1936 | Box 62 \ 1 scan0369 | |
| Letter to S. Smith & Sons Ltd. requesting proposals for instrument boards for the 20/25 and 40/50 HP chassis. | 14th Oct 1931 | Box 62 \ 2 scan0001 | |
| Copy of a letter from S. Smith & Sons regarding instrument boards and arranging a meeting at the Motor Exhibition. | 15th Oct 1931 | Box 62 \ 2 scan0002 | |
| Letter to S. Smith & Sons arranging a meeting about instrument boards. | 16th Oct 1931 | Box 62 \ 2 scan0003 | |
| Letter to S. Smith & Sons, Ltd. regarding the instrument board layout for a 40/50 chassis. | 21th Oct 1931 | Box 62 \ 2 scan0004 | |
| The requirements for fitting electric clocks to various experimental car models. | 21th Oct 1931 | Box 62 \ 2 scan0005 | |
| Letter from S. Smith & Sons (Motor Accessories) Ltd acknowledging the receipt of a blueprint for a 40/50 chassis instrument board. | 22th Oct 1931 | Box 62 \ 2 scan0006 | |
| Supply of a complete instrument board for the 20/25 HP chassis from a single supplier, Messrs Smiths. | 23th Oct 1931 | Box 62 \ 2 scan0007 | |
| The instrument board for the 20/25 HP model, discussing cost reduction and proposals from Smiths. | 5th Nov 1931 | Box 62 \ 2 scan0008 | |
| The 20/25 Instrument Board and a proposal to Messrs. Smiths. | 7th Nov 1931 | Box 62 \ 2 scan0009 | |
| Letter to S. Smith & Sons, Ltd. requesting an update on the 20/25 HP Instrument Board. | 7th Nov 1931 | Box 62 \ 2 scan0010 | |
| Letter to S. Smith and Sons regarding the proposed instrument board specifications. | 12th Nov 1931 | Box 62 \ 2 scan0011 | |
| Letter from S. Smith & Sons confirming a representative's visit regarding a 20/25HP Instrument Board. | 14th Nov 1931 | Box 62 \ 2 scan0012 | |
| Letter to S. Smith & Sons, Ltd. confirming the layout for the 20/25 HP chassis instrument board. | 17th Nov 1931 | Box 62 \ 2 scan0013 | |
| Letter from S. Smith & Sons regarding the 20/25 HP instrument facia board and its instruments. | 24th Nov 1931 | Box 62 \ 2 scan0014 | |
| Letter from S. Smith & Sons discussing the unreliability of a competitor's American-made electric clock and suggesting further testing before standardization. | 26th Nov 1931 | Box 62 \ 2 scan0015 | |
| Letter to S. Smith & Sons regarding the cost of instrument dials and the functionality of electric clocks. | 26th Nov 1931 | Box 62 \ 2 scan0016 | |
| | | | |
