| Description | Date | Identifier | |
| Static induction effect in the ignition system and a proposal for a bench experiment to investigate it. | 25th Feb 1925 | Box 61b \ 4 scan0205 | |
| The polarity of magneto and battery ignition systems and the potential for static induction. | 25th Feb 1925 | Box 61b \ 4 scan0206 | |
| Tests for static induction effects with high-tension wiring in a black fibre insulating tube on an EAC engine. | 12th Feb 1925 | Box 61b \ 4 scan0207 | |
| The effects of induced sparks between magneto and battery ignition wires. | 19th Feb 1925 | Box 61b \ 4 scan0208 | |
| Tests for static induction effects on ignition wires enclosed in a metal tube. | 19th Feb 1925 | Box 61b \ 4 scan0209 | |
| Test results comparing induced spark lengths from magneto and battery ignition systems with an earthed metal tube. | 19th Feb 1925 | Box 61b \ 4 scan0210 | |
| The performance of an 18000 turn coil within an earthed metal tube to reduce induced sparking. | 26th Feb 1925 | Box 61b \ 4 scan0211 | |
| Tests concerning static induction effects in ignition wiring tubes. | 26th Feb 1925 | Box 61b \ 4 scan0212 | |
| Investigation into increased static induction effects on H.T. wires from synchronized battery and magneto ignition sparks. | 26th Feb 1925 | Box 61b \ 4 scan0213 | |
| Continued discussion on induced effects from dual ignitions and spark synchronism in an engine. | 26th Mar 1930 | Box 61b \ 4 scan0214 | |
| Comparative tests on the static induction effect in Phantom II H.T. wiring tubes. | 26th Mar 1930 | Box 61b \ 4 scan0215 | |
| Experiment with all-bakelite ignition wiring tubes on a Phantom chassis. | 1st Apr 1930 | Box 61b \ 4 scan0216 | |
| Arranging for the fitting of all-bakelite ignition wiring tubes to experimental chassis 22-EX for testing purposes. | 8th Apr 1930 | Box 61b \ 4 scan0217 | |
| Experiments testing bakelite ignition wiring tubes for static induction effects and temperature resistance. | 23th May 1930 | Box 61b \ 4 scan0218 | |
| Report comparing the effects of heat on Bakelite and Vulcanite tubing materials used for wiring. | 23th May 1930 | Box 61b \ 4 scan0219 | |
| The testing of a starter motor with a self-lubricated bearing on chassis 22-EX. | 1st Jan 1932 | Box 62 \ 1 scan0001 | |
| Starter motor, dynamo safety circuits, and interchangeability with Bosch parts for specific models. | 7th Jan 1932 | Box 62 \ 1 scan0002 | |
| Modification to the sequence starter motor for P.II, J.3, and Peregrine engines. | 1st Jan 1932 | Box 62 \ 1 scan0003 | |
| To the Cost Office requesting the cost difference for fitting an automatic starter motor switch versus a foot-operated one on a 25 HP chassis. | 8th Jan 1932 | Box 62 \ 1 scan0004 | |
| Technical memorandum comparing a Bosch starter motor design with existing and proposed systems, including analysis of a unit from an Alfa Romeo. | 1st Jan 1932 | Box 62 \ 1 scan0005 | |
| Experiments to create self-lubricating bearings using powdered graphite mixed with Bakelite resin for starter motors. | 5th Jan 1932 | Box 62 \ 1 scan0006 | |
| Use of oil-less bearings for starter motors. | 23th Jan 1932 | Box 62 \ 1 scan0007 | |
| Inquiry to The Brush Electrical Engineering Co. Ltd. about self-lubricating bushes for potential use in chassis parts. | 29th Jan 1932 | Box 62 \ 1 scan0008 | |
| Development of an oilless Bakelite bush for the sequence starter motor. | 29th Jan 1932 | Box 62 \ 1 scan0009 | |
| Letter from Brush Electrical Engineering Co Ltd suggesting a different supplier for Trolley Collector Gear. | 30th Jan 1932 | Box 62 \ 1 scan0010 | |
| Inquiry to Messrs. Brecknell, Willis & Co. regarding self-lubricating bearings for trolley collector gear. | 1st Feb 1932 | Box 62 \ 1 scan0011 | |
| Extract from a letter detailing service troubles with starting motors at the Springfield facility. | 1st Feb 1932 | Box 62 \ 1 scan0012 | |
| Letter from Brecknell, Willis & Co. regarding the supply and composition of self-lubricating bushes. | 2nd Feb 1932 | Box 62 \ 1 scan0013 | |
| Letter of thanks for a response to an enquiry regarding self-lubricating bushes. | 3rd Feb 1932 | Box 62 \ 1 scan0014 | |
| Requesting further details on nine starter motor complaints dealt with at Cricklewood. | 3rd Feb 1932 | Box 62 \ 1 scan0015 | |
| Quarterly complaints and rectification works for Phantom II starter motors. | 6th Feb 1932 | Box 62 \ 1 scan0016 | |
| Letter to Rolls-Royce of America discussing starter motor troubles on American chassis, specifically lubrication and switch issues. | 11th Feb 1932 | Box 62 \ 1 scan0017 | |
| Continued letter discussing motor failure analysis and potential improvements. | 1st Feb 1932 | Box 62 \ 1 scan0018 | |
| Oilless bushes, communication with the Morgan Crucible Company Ltd., and their use by Joseph Lucas Ltd. | 16th Feb 1932 | Box 62 \ 1 scan0019 | |
| Letter responding to an enquiry about drawings for bearings made of a porous graphite bronze mixture. | 27th Jan 1932 | Box 62 \ 1 scan0020 | |
| Letter from The Morgan Crucible Company Limited regarding the press fit of a bearing. | 27th Jan 1932 | Box 62 \ 1 scan0021 | |
| Copy of a letter from The Morgan Crucible Company Ltd. regarding sending sample bearings for testing. | 4th Feb 1932 | Box 62 \ 1 scan0022 | |
| Requesting the removal and upgrade of a faulty starter motor on car 19-GIV. | 24th Feb 1932 | Box 62 \ 1 scan0023 | |
| Starter motor troubles related to sluggish motion caused by over-lubrication and sliding friction. | 27th Feb 1932 | Box 62 \ 1 scan0024 | |
| Technical memorandum discussing gear teeth friction and improvements to motor engagement and disengagement. | 27th Feb 1932 | Box 62 \ 1 scan0025 | |
| Plans to test a Bosch starter motor from an Alfa Romeo for comparison with a proposed Peregrine motor. | 2nd Mar 1932 | Box 62 \ 1 scan0026 | |
| Specifications for an Alfa-Romeo Bosch starter motor, model L3. | 1st Mar 1932 | Box 62 \ 1 scan0027 | |
| Laboratory report on the metallurgical analysis and properties of a Bosch Starter Motor Pinion. | 1st Mar 1932 | Box 62 \ 1 scan0028 | |
| Testing starter motor pinions and a request to create two new ones for experimental tests. | 7th Mar 1932 | Box 62 \ 1 scan0029 | |
| Laboratory report detailing the material analysis and properties of a Bosch Starter Motor Pinion. | 4th Mar 1932 | Box 62 \ 1 scan0030 | |
| Test results and proposed modifications for the Japan III starter motor. | 1st Apr 1932 | Box 62 \ 1 scan0031 | |
| Suitability of the Peregrine starter motor for general use following a 10,000-mile test. | 18th Nov 1932 | Box 62 \ 1 scan0032 | |
| Analysis of the J.3 motor, detailing observed issues and suggesting improvements. | 1st Apr 1932 | Box 62 \ 1 scan0033 | |
| Special alloy composition (EXB3) for starter motor pinions. | 5th Apr 1932 | Box 62 \ 1 scan0034 | |
| Request for recommendations on the field and armature windings for the 'Peregrine' Starter Motor. | 13th Apr 1932 | Box 62 \ 1 scan0035 | |
| Armature design calculations for the Peregrine starter motor. | 20th Apr 1932 | Box 62 \ 1 scan0036 | |
| Request for complete specifications for the 'Peregrine II' starter motor due to missing armature diameter information. | 23th Apr 1932 | Box 62 \ 1 scan0037 | |
| Calculations for a Peregrine starter motor. | 1st May 1932 | Box 62 \ 1 scan0038 | |
| Revised calculations for the Peregrine starter motor based on a higher starting torque. | 25th May 1932 | Box 62 \ 1 scan0039 | |
| Technical specifications and calculations for the Peregrine starter motor. | 28th May 1932 | Box 62 \ 1 scan0040 | |
| Instruction to test and produce a new Starter Motor Armature for the 40-50 HP Chassis due to manufacturing difficulties. | 28th May 1932 | Box 62 \ 1 scan0041 | |
| Request to expedite testing and production of a starter motor armature to avoid ordering new broaches. | 6th Jun 1932 | Box 62 \ 1 scan0042 | |
| The procurement of Aluminium Bronze Bar for starter pinions. | 23th Jun 1932 | Box 62 \ 1 scan0043 | |
| Request to produce starter motor pinions made from special aluminium bronze for testing on specific chassis. | 24th Jun 1932 | Box 62 \ 1 scan0044 | |
| Request to fit a starter motor armature to a motor from vehicle 20-EX for bench testing. | 8th Jul 1932 | Box 62 \ 1 scan0045 | |
| Instructions for modifications to the Peregrine starter motor windings. | 8th Jul 1932 | Box 62 \ 1 scan0046 | |
| Request for a new Peregrine starter motor for experiments to increase its low starting torque. | 8th Jul 1932 | Box 62 \ 1 scan0047 | |
| Improving the Peregrine starter motor by producing a second version and considering a larger model. | 11th Jul 1932 | Box 62 \ 1 scan0048 | |
| New self-lubrication scheme for the Phantom II Bendix Starter Motor. | 3rd Jul 1932 | Box 62 \ 1 scan0049 | |
| Using self-lubricating bearings for starter motors to prevent failures from freezing oil. | 23th Feb 1932 | Box 62 \ 1 scan0050 | |
| Cause of rusting on starter motor spindles and other parts, concluding it is due to humidity and proposing a fix. | 11th Jul 1932 | Box 62 \ 1 scan0051 | |
| Decreasing ground clearance of starter motors on successive chassis designs and potential solutions. | 19th Jul 1932 | Box 62 \ 1 scan0052 | |
| Performance and potential improvements for the Peregrine starter motor. | 15th Aug 1932 | Box 62 \ 1 scan0053 | |
| Confirming instructions for a modified starter motor gear assembly for the Peregrine engine. | 15th Aug 1932 | Box 62 \ 1 scan0054 | |
| The gear dimensions and ratio for the Peregrine Starter Motor and requesting a set for testing. | 16th Aug 1932 | Box 62 \ 1 scan0055 | |
| Technical memorandum discussing potential improvements to the Peregrine starter motor's efficiency and torque characteristics. | 16th Aug 1932 | Box 62 \ 1 scan0056 | |
| Proposing a redesign of the 40/50 starter motor to improve its speed torque characteristic. | 18th Aug 1932 | Box 62 \ 1 scan0057 | |
| Requesting a 40/50 starter motor be fitted to car 22-EX for testing. | 9th Aug 1932 | Box 62 \ 1 scan0058 | |
| Letter from Joseph Lucas Limited enclosing performance curves for a Bosch B.G.C. Starter. | 24th Aug 1932 | Box 62 \ 1 scan0059 | |
| Blueprint for a Flywheel Gear Ring and part replacement for the Peregrine IIs model. | 26th Aug 1932 | Box 62 \ 1 scan0060 | |
| Issues with the Peregrine starter motor stalling and proposing alterations to improve torque. | 10th Aug 1932 | Box 62 \ 1 scan0061 | |
| Modifications to the Peregrine & Bensport starter motor. | 20th Aug 1932 | Box 62 \ 1 scan0062 | |
| Responding to a request for a 'Japan III' starter motor, clarifying winding specifications. | 16th Sep 1932 | Box 62 \ 1 scan0063 | |
| Table detailing the winding specifications for three different motors. | 9th Sep 1932 | Box 62 \ 1 scan0064 | |
| Modifications to an experimental J.III Sequence Starter Motor to improve its power and efficiency. | 9th Sep 1932 | Box 62 \ 1 scan0065 | |
| Request to obtain a Bosch type L.3 starter motor for testing purposes on the Peregrine starter motor. | 13th Oct 1932 | Box 62 \ 1 scan0066 | |
| Request for the production of a large brake gear wheel for a Peregrine starter motor test rig. | 14th Oct 1932 | Box 62 \ 1 scan0067 | |
| Modifications to the Peregrine II starter motor armature and commutator. | 20th Oct 1932 | Box 62 \ 1 scan0068 | |
| Development and performance improvements of the New Peregrine Starter Motor. | 22th Oct 1932 | Box 62 \ 1 scan0069 | |
| Engine starting performance and plans for experiments on various motors. | 25th Oct 1932 | Box 62 \ 1 scan0070 | |
| Confirming specifications for an experimental Peregrine starter motor armature for a production job. | 25th Oct 1932 | Box 62 \ 1 scan0071 | |
| Experimental work proposals to improve the torque and efficiency of the Peregrine starter motor. | 28th Oct 1932 | Box 62 \ 1 scan0072 | |
| Modification of stalling test procedures for the new Peregrine starter motor. | 29th Oct 1932 | Box 62 \ 1 scan0073 | |
| New design for the 'Peregrine II' Starter Motor terminals to prevent rotation. | 31th Oct 1932 | Box 62 \ 1 scan0074 | |
| Use of laminated versus solid pole pieces for the Peregrine starter motor. | 31th Oct 1932 | Box 62 \ 1 scan0075 | |
| Request for one extra complete Peregrine starter motor for experimental tests. | 13th Oct 1932 | Box 62 \ 1 scan0076 | |
| Requesting modification of the Peregrine starter motor due to it being useless for cold starts. | 1st Nov 1932 | Box 62 \ 1 scan0077 | |
| Query about whether an increase in a starter motor's torque has resulted in increased current draw. | 12th Nov 1932 | Box 62 \ 1 scan0078 | |
| Material selection and design considerations for the Peregrine starter motor. | 1st Nov 1932 | Box 62 \ 1 scan0079 | |
| Comparing the performance of the original and modified Peregrine starter motors. | 3rd Nov 1932 | Box 62 \ 1 scan0080 | |
| Design improvements for starter motors, specifically their magnetic circuits and current considerations. | 1st Nov 1932 | Box 62 \ 1 scan0081 | |
| Request to Joseph Sankey & Sons Ltd. for induction curves for mild steel and special sheet irons. | 11th Nov 1932 | Box 62 \ 1 scan0082 | |
| Order to manufacture a Peregrine II Starter Motor Armature and Commutator. | 12th Nov 1932 | Box 62 \ 1 scan0083 | |
| Letter from Joseph Sankey & Sons, Ltd. declining a request for induction curves for mild steel and offering particulars on specialised steels. | 12th Nov 1932 | Box 62 \ 1 scan0084 | |
| Calculation sheet for the Peregrine starter motor with a 4' carcase. | 12th Nov 1932 | Box 62 \ 1 scan0085 | |
| | | | |
