| Description | Date | Identifier | |
| Calculations for motor resistance, armature, and main field circuit. | 12th Nov 1932 | Box 62 \ 1 scan0086 | |
| Specification sheet detailing the magnetic flux densities for various components. | 14th Nov 1932 | Box 62 \ 1 scan0087 | |
| Letter to Joseph Sankey & Sons Ltd. requesting particulars and curves for pole piece steel. | 14th Nov 1932 | Box 62 \ 1 scan0088 | |
| Letter from Joseph Sankey & Sons, Ltd. sending particulars of B.H. figures for Pole piece quality steel. | 16th Nov 1932 | Box 62 \ 1 scan0089 | |
| Data table showing the permeability of pole quality steel. | 6th Nov 1932 | Box 62 \ 1 scan0090 | |
| Proposed modifications to the Phantom II starter motor for improved power and speed. | 6th Nov 1932 | Box 62 \ 1 scan0091 | |
| Request to manufacture a second J.3 starter motor for testing purposes. | 17th Nov 1932 | Box 62 \ 1 scan0092 | |
| Blueprint graph of performance test curves for a Peregrine starter motor. | 25th Nov 1932 | Box 62 \ 1 scan0093 | |
| The production of a new 29-slot armature for a 40-50 HP chassis starter motor. | 25th Nov 1932 | Box 62 \ 1 scan0094 | |
| Confirming an agreement on the development of a 29-slot armature for the Phantom II starter motor. | 25th Nov 1932 | Box 62 \ 1 scan0095 | |
| Performance and potential improvements for J.2 and Bensport starter motors. | 28th Nov 1932 | Box 62 \ 1 scan0096 | |
| Extract from a report detailing a cold-start test on a starter motor. | 3rd Dec 1932 | Box 62 \ 1 scan0097 | |
| Starter motor defect and bodywork issues on a Peregrine car. | 6th Dec 1932 | Box 62 \ 1 scan0098 | |
| The prototype starter motor for the Peregrine car and the plan for improved units. | 9th Dec 1932 | Box 62 \ 1 scan0099 | |
| Calculations and specifications for a Japan Sequence Starter Motor. | 9th Dec 1932 | Box 62 \ 1 scan0100 | |
| Calculations and specifications for motor speed, resistance, and windings. | 12th Dec 1932 | Box 62 \ 1 scan0101 | |
| Design calculations for a Peregrine starter motor with a 29 slot armature. | 12th Dec 1932 | Box 62 \ 1 scan0102 | |
| Page 2 of electrical calculations for motor resistance, armature, and main field circuit. | 5th Dec 1932 | Box 62 \ 1 scan0103 | |
| Proposing experimental modifications to the J.2 and Bensport starter motor to increase B.HP and efficiency. | 5th Dec 1932 | Box 62 \ 1 scan0104 | |
| Experimental tests of the Peregrine starter motor, comparing two different armatures. | 12th Jan 1933 | Box 62 \ 1 scan0105 | |
| Comparison of motor characteristics, focusing on noise and armature engagement issues between a Peregrine and a Bosch motor. | 3rd Jan 1933 | Box 62 \ 1 scan0106 | |
| Worn starter gear ring on a J.3 chassis and the proposal for replacement pinions. | 3rd Jan 1933 | Box 62 \ 1 scan0107 | |
| Modifications to the 'Japan' and 'Bensport' starter motors, specifically regarding the armature and carcass size. | 6th Jan 1933 | Box 62 \ 1 scan0108 | |
| Instructions for the production of armatures for Peregrine starter motors. | 12th Jan 1933 | Box 62 \ 1 scan0109 | |
| Requesting an experiment on a Peregrine starter motor using a parallel armature. | 12th Jan 1933 | Box 62 \ 1 scan0110 | |
| Graph showing armature pull versus distance for a Bosch Type BGC 9-6/12 motor on its teazer and main windings. | 12th Dec 1933 | Box 62 \ 1 scan0111 | |
| Graph of Armature-Distance Pull curves for starter motor P4 on its Teazer and Main windings. | 11th Jan 1933 | Box 62 \ 1 scan0112 | |
| Inquiring if the 'stepped armature' feature on a Bosch starter motor is patented. | 13th Jan 1933 | Box 62 \ 1 scan0113 | |
| Instructions for modifications to a 'Peregrine' Starter Motor armature and return spring for a trial. | 14th Jan 1933 | Box 62 \ 1 scan0114 | |
| Request to produce three Peregrine starter motor pinions for testing. | 23th Jan 1933 | Box 62 \ 1 scan0115 | |
| Request to the Pattern Shop for a Pinion End Bearing Bracket for the 'Peregrine II' Starter Motor. | 24th Jan 1933 | Box 62 \ 1 scan0116 | |
| Confirming that Bosch holds no patents on the Stepped Armature Starter Motor. | 3rd Feb 1933 | Box 62 \ 1 scan0117 | |
| Recommendations for improving the Bensport starter motor by increasing power. | 7th Feb 1933 | Box 62 \ 1 scan0118 | |
| Modifying the Bijur drive for a 20/25 HP motor and proposing a new starter for Bensport engines. | 7th Feb 1933 | Box 62 \ 1 scan0119 | |
| Request for a resumé of complaints regarding starter motor failures on Phantom II motors. | 7th Feb 1933 | Box 62 \ 1 scan0120 | |
| Receipt and subsequent testing of an Aluminium Bronze Bar for Starter Pinions. | 15th Feb 1933 | Box 62 \ 1 scan0121 | |
| Failures and repairs of starter motors at Cricklewood and Works locations. | 17th Feb 1933 | Box 62 \ 1 scan0122 | |
| The failure of starter motors in Paris, identified as being caused by excess oil. | 24th Feb 1933 | Box 62 \ 1 scan0123 | |
| Investigation into the performance and improvement of the Peregrine starter motor, comparing winding and armature designs. | 24th Feb 1933 | Box 62 \ 1 scan0124 | |
| Comparison of the Peregrine starter motor against the Bosch and Phantom starters, detailing performance and material experiments. | 24th Feb 1933 | Box 62 \ 1 scan0125 | |
| Design of starter motors, specifically concerning windings, torque, and a comparison with Bosch designs. | 10th Mar 1933 | Box 62 \ 1 scan0126 | |
| Internal order request for copper strip for a Phantom II Starter Motor. | 14th Mar 1933 | Box 62 \ 1 scan0127 | |
| Test bed failure of an experimental Peregrine starter motor due to lubrication issues in the commutator end bearing. | 21th Mar 1933 | Box 62 \ 1 scan0128 | |
| Implementation of a self-contained oiling system for starter motor bearings on the Phantom engine, referencing a similar failed scheme on the Peregrine. | 28th Mar 1933 | Box 62 \ 1 scan0129 | |
| Implementation of self-lubricated bearings for the Phantom II starter motor. | 29th Mar 1933 | Box 62 \ 1 scan0130 | |
| Standardisation of a starter motor with automatic lubricated bearings to replace one with bijur lubrication. | 12th Aug 1932 | Box 62 \ 1 scan0131 | |
| Standardization form for a new part being fitted to a chassis. | 15th Oct 1932 | Box 62 \ 1 scan0132 | |
| Revised calculations and preliminary modifications for the Peregrine starter motor. | 17th Nov 1932 | Box 62 \ 1 scan0133 | |
| Request for further data curves comparing Bosch and RR Peregrine starter motors. | 4th Apr 1933 | Box 62 \ 1 scan0134 | |
| Specifications for a Peregrine starter motor following satisfactory tests on an improvised version. | 9th May 1933 | Box 62 \ 1 scan0135 | |
| Requesting the urgent production of a brake gear wheel for testing a new Bensport starter motor. | 12th May 1933 | Box 62 \ 1 scan0136 | |
| The Bensport starter motor being underpowered in icy weather and a proposal for experimental alterations. | 15th May 1933 | Box 62 \ 1 scan0137 | |
| Modifications to the Bensport starter motor armature for higher efficiency. | 18th May 1933 | Box 62 \ 1 scan0138 | |
| Calculations and specifications for a Bensport starter motor. | 18th May 1933 | Box 62 \ 1 scan0139 | |
| Page of calculations for motor speed, resistance, and armature specifications. | 2nd Jun 1933 | Box 62 \ 1 scan0140 | |
| Testing a batch of 25 experimental starter motors with stamped armature plates from Messrs. Baldwins. | 2nd Jun 1933 | Box 62 \ 1 scan0141 | |
| Request to expedite production of a Bensport starter motor for bench testing. | 13th Jun 1933 | Box 62 \ 1 scan0142 | |
| Need to incorporate self-lubricated bearings with an oil-soaked felt reservoir on the Phantom II starter motor. | 3rd Jul 1933 | Box 62 \ 1 scan0143 | |
| Replacing motors on the experimental Bensport chassis with a new, successfully tested Bensport starter motor. | 4th Jul 1933 | Box 62 \ 1 scan0144 | |
| Bench test results for a new Bensport starter motor compared to the existing 20/25 motor, with plans for cold weather testing. | 5th Jul 1933 | Box 62 \ 1 scan0145 | |
| Request to Joseph Lucas Ltd. to use their freezing chamber for cold-start testing a new Bentley chassis. | 5th Jul 1933 | Box 62 \ 1 scan0146 | |
| Incorporating self-lubricated bearings for the Phantom II starter motor. | 6th Jul 1933 | Box 62 \ 1 scan0147 | |
| Letter from Joseph Lucas Research Laboratories regarding the temporary unavailability of their cold room. | 8th Jul 1933 | Box 62 \ 1 scan0148 | |
| Modifications to the Bentley starter motor. | 10th Jul 1933 | Box 62 \ 1 scan0149 | |
| Modifications and improvements to the Bentley starter motor. | 12th Jul 1933 | Box 62 \ 1 scan0150 | |
| Requesting the fitting of an improved Bensport starter motor to a chassis for cold starting tests. | 19th Jul 1933 | Box 62 \ 1 scan0151 | |
| Experimental production of a starter motor pinion from Firth's N.M.C. steel. | 24th Jul 1933 | Box 62 \ 1 scan0152 | |
| Failures of the Phantom II starter gear due to incorrect terminal connection, suggesting a design change. | 26th Jul 1933 | Box 62 \ 1 scan0153 | |
| Request to test a sample starter motor cable and compare its voltage drop to the standard cable. | 27th Sep 1933 | Box 62 \ 1 scan0154 | |
| Agreeing to a suggestion for modifying starter motor terminals on the Phantom II to prevent damage. | 28th Jul 1933 | Box 62 \ 1 scan0155 | |
| Experiments and improvements for the Phantom II starter motor. | 31th Jul 1933 | Box 62 \ 1 scan0156 | |
| Test report on a 20/25 HP chassis starter motor with Baldwin's stamped slotted plates. | 29th Aug 1933 | Box 62 \ 1 scan0157 | |
| Graph of test curves for a type 20-25 starter motor, comparing a standard machine with one featuring a stamped slotted armature. | 23th Aug 1933 | Box 62 \ 1 scan0158 | |
| Performance of a 20/25 HP starter motor using Baldwins Stamped Plates compared to Sankeys Lohys material. | 30th Aug 1933 | Box 62 \ 1 scan0159 | |
| Use of an increased diameter starter motor cable. | 29th Sep 1933 | Box 62 \ 1 scan0160 | |
| Proposing a visit to Cricklewood to investigate starter motor and dynamo failures. | 29th Sep 1933 | Box 62 \ 1 scan0161 | |
| Arranging a visit to investigate complaints about crashing Phantom II starter motors. | 30th Sep 1933 | Box 62 \ 1 scan0162 | |
| The frequent and alarming issue of crashing late model Phantom II starter motors. | 29th Sep 1933 | Box 62 \ 1 scan0163 | |
| The fitting of an improved starter motor and modified clutch casing for a Bensport model. | 2nd Oct 1933 | Box 62 \ 1 scan0164 | |
| Confirming a visit to investigate the crashing of Phantom II starter motors. | 4th Oct 1933 | Box 62 \ 1 scan0165 | |
| Investigation into the cause of damaged starter flywheel tooth rings following a sudden epidemic of failures. | 6th Oct 1933 | Box 62 \ 1 scan0166 | |
| The actual dimensions taken from three chassis, comparing them to production limits, with a note on a starter examination. | 6th Oct 1933 | Box 62 \ 1 scan0167 | |
| Recommendations for a depot sheet to check starter motor clearance and for modifications to reduce pinion rebound. | 6th Oct 1933 | Box 62 \ 1 scan0168 | |
| Diagrammatic sketch of a Phantom II starter motor drive showing clearances at various stages of engagement. | 6th Oct 1933 | Box 62 \ 1 scan0169 | |
| Issues with sequence starter motors on various chassis and a proposal for comparative experiments. | 9th Oct 1933 | Box 62 \ 1 scan0170 | |
| Damaged starter tooth rings on flywheels. | 9th Oct 1933 | Box 62 \ 1 scan0171 | |
| The development of an experimental sequence starter motor. | 10th Oct 1933 | Box 62 \ 1 scan0172 | |
| Experimental modification to the 40/50 sequence starter motor to improve the end pull. | 13th Oct 1933 | Box 62 \ 1 scan0173 | |
| Drawing showing the proposed dimensions for a starter motor armature. | 11th Oct 1933 | Box 62 \ 1 scan0174 | |
| Proposed pole piece for a starter motor. | 12th Oct 1953 | Box 62 \ 1 scan0175 | |
| Tests comparing a standard and an experimental starter motor cable to reduce volt drop. | 19th Oct 1933 | Box 62 \ 1 scan0176 | |
| Suggestion to compromise on a new cable or alter dies to accommodate a larger one for a main switch. | 19th Oct 1933 | Box 62 \ 1 scan0177 | |
| Suggested revision to the inspection and test specification for the 40-50 HP starter motor. | 19th Oct 1933 | Box 62 \ 1 scan0178 | |
| Modifications to the starter motor for chassis 27-EX. | 20th Oct 1933 | Box 62 \ 1 scan0179 | |
| Blueprint showing two views of a packing ring for a starter motor pinion (40/50). | 19th Oct 1933 | Box 62 \ 1 scan0180 | |
| Revised inspection and test specification for the 40/50 Chassis Sequence Starter Motor. | 24th Oct 1933 | Box 62 \ 1 scan0181 | |
| Specification for the inspection and testing of a 40/50 chassis starter motor. | 24th Oct 1933 | Box 62 \ 1 scan0182 | |
| Test procedures for an armature operated switch, including insulation and brush bedding. | 24th Oct 1933 | Box 62 \ 1 scan0183 | |
| The procedures for a light test and an armature return test for a motor. | 24th Oct 1933 | Box 62 \ 1 scan0184 | |
| Test procedures for armature damping and longitudinal motion. | 24th Oct 1933 | Box 62 \ 1 scan0185 | |
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