| Description | Date | Identifier | |
| Letter from the Derby Electricity Supply Department providing names of wire suppliers. | 10th Jul 1917 | Box 36 \ 3 scan 107 | |
| Inquiry to The Arora Co. regarding the purchase of Nichrome wire for experimentation. | 12th Jul 1917 | Box 36 \ 3 scan 108 | |
| Letter from Ferranti Limited regarding their inability to supply Nichrome Resistance Wire due to supply difficulties. | 13th Jul 1917 | Box 36 \ 3 scan 109 | |
| Letter from The Arora Co. responding to an enquiry about resistance wire for a heater, requesting more information. | 13th Jul 1917 | Box 36 \ 3 scan 110 | |
| With a sketch detailing the specifications for a heating tube, including dimensions and material requirements. | 18th Jul 1917 | Box 36 \ 3 scan 111 | |
| Sourcing of resistance wire for heating coils used in tensile tests of aluminium alloys. | 20th Jul 1917 | Box 36 \ 3 scan 112 | |
| Requesting specifications for a resistance wire for a heating coil from supplier Belling & Co. | 27th Jul 1917 | Box 36 \ 3 scan 113 | |
| The results of Stanton, Tensile, Specific Gravity, and Brinell tests on various aluminium alloys. | 27th Jul 1917 | Box 36 \ 3 scan 114 | |
| Note on the delay of tensile tests due to waiting for a new heating coil. | 26th Sep 1917 | Box 36 \ 3 scan 115 | |
| Instruction sheet detailing the mechanical properties and chemical composition of special aluminium alloys at various temperatures. | 26th Sep 1917 | Box 36 \ 3 scan 116 | |
| Results of tensile tests on three aluminium alloys (M3, M4, and A.F.). | 28th Sep 1917 | Box 36 \ 3 scan 117 | |
| Table detailing the material properties of special aluminium alloys (M.3, M.4, A.F.) at various temperatures. | 12th Apr 1927 | Box 36 \ 3 scan 118 | |
| Table showing the chemical composition analysis of three different alloys. | 9th Feb 1917 | Box 36 \ 3 scan 119 | |
| Test table results for the Lucas E.575 Dynamo, model X.1627. | 8th Apr 1920 | Box 36 \ 4 scan 001 | |
| Request for Lucas dynamos and switchboxes to establish test specifications. | 10th Apr 1920 | Box 36 \ 4 scan 002 | |
| Comparison table of specifications for various dynamo machines. | 13th Apr 1920 | Box 36 \ 4 scan 003 | |
| Table of specifications for various dynamo machines, continued from a previous page. | 6th Aug 1929 | Box 36 \ 4 scan 004 | |
| Comparison table of various dynamo models and their specifications. | 1st Jan 1919 | Box 36 \ 4 scan 005 | |
| Notes and queries regarding the production test specifications for a Lucas Dynamo. | 20th Apr 1920 | Box 36 \ 4 scan 006 | |
| Specification and request for the test of a Lucas Dynamo and Cut-out to establish production test requirements. | 15th Apr 1920 | Box 36 \ 4 scan 007 | |
| Letter to Lucas Elec. Co. regarding a proposed modification to Dynamo Terminals and directing future correspondence. | 19th Apr 1920 | Box 36 \ 4 scan 008 | |
| The performance of electrical parts after a 10,000-mile test run on the 2.EX car, noting a dynamo belt failure. | 20th Apr 1920 | Box 36 \ 4 scan 009 | |
| Specification of inspection and test for the Lucas E.575 dynamo. | 21th Apr 1920 | Box 36 \ 4 scan 010 | |
| Test results table for the Lucas E.575 Dynamo. | 8th Apr 1920 | Box 36 \ 4 scan 011 | |
| The 10,000-mile test of electrical parts on the 2.EX, specifically regarding the Lucas dynamo. | 21th Apr 1920 | Box 36 \ 4 scan 012 | |
| Specification of inspection and test for a Lucas E.575 Dynamo. | 21th Apr 1920 | Box 36 \ 4 scan 013 | |
| Dynamo testing procedures for high RPM operation, checking for brush sparking and mechanical vibration. | 21th Apr 1920 | Box 36 \ 4 scan 014 | |
| Continuation of a report on a 10,000-mile test of electrical parts, discussing coil windings and dynamo performance. | 21th Apr 1920 | Box 36 \ 4 scan 015 | |
| Letter from The Lucas Electrical Company Ltd regarding the development of a Chassis Lighting Dynamo. | 29th Apr 1920 | Box 36 \ 4 scan 016 | |
| Letter to Joseph Lucas Ltd. regarding modifications to Dynamo Terminals E.575. | 29th Apr 1920 | Box 36 \ 4 scan 017 | |
| Outlining the procedure for unit testing of dynamos to check for noise and general running. | 1st May 1920 | Box 36 \ 4 scan 018 | |
| Faults found during dynamo inspections and arranging for car testing. | 3rd May 1920 | Box 36 \ 4 scan 019 | |
| Re-inspection and testing procedures for dynamos, particularly concerning noise levels. | 3rd May 1920 | Box 36 \ 4 scan 020 | |
| Correspondence with Lucas Electrical Co. Ltd. regarding faulty and noisy dynamos and a new testing arrangement. | 5th May 1920 | Box 36 \ 4 scan 021 | |
| Establishing a standard unit test rig for noisy dynamos to match on-car conditions. | 1st May 1920 | Box 36 \ 4 scan 022 | |
| Issues with noisy dynamos from Lucas Electrical Co. Ltd., and the arrangements for testing and modifications. | 7th May 1920 | Box 36 \ 4 scan 023 | |
| Instructions detailing the effect on output by varying the control brush position on a Lucas E575 Dynamo. | 11th Jun 1920 | Box 36 \ 4 scan 024 | |
| Test results for a Lucas Dynamo, showing open circuit voltage output at various speeds when cold. | 12th May 1928 | Box 36 \ 4 scan 025 | |
| The difficulties of bench testing Lucas dynamos and a proposal for a more suitable test rig. | 12th May 1920 | Box 36 \ 4 scan 026 | |
| Specifications for a 4 HP motor, including voltage and regulating resistances. | 12th May 1920 | Box 36 \ 4 scan 027 | |
| Instructions sheet detailing the cold voltage test results for a Lucas Dynamo. | 13th May 1920 | Box 36 \ 4 scan 028 | |
| Instruction sheet detailing test results for a Lucas Dynamo that did not pass. | 13th May 1920 | Box 36 \ 4 scan 029 | |
| The investigation and test results for Lucas dynamos and switchboxes, detailing which parts passed or failed specification. | 14th May 1920 | Box 36 \ 4 scan 030 | |
| Instruction memo to replace an old experimental dynamo with a new Lucas E575 dynamo. | 14th May 1920 | Box 36 \ 4 scan 031 | |
| Investigation report on the specifications and testing of the Lucas E.575 Dynamo and Lucas Cut-out. | 14th May 1920 | Box 36 \ 4 scan 032 | |
| The performance specifications and testing of Lucas dynamo cut-outs. | 14th May 1920 | Box 36 \ 4 scan 033 | |
| The testing and analysis of electrical cut-outs, noting inconsistencies and suggesting further investigation. | 14th May 1920 | Box 36 \ 4 scan 034 | |
| Analysis of issues with Lucas cut-outs in R.R. cars and a description of the testing methodology used to investigate them. | 14th May 1920 | Box 36 \ 4 scan 035 | |
| Page detailing test procedures for an electrical cut-out, noting voltage and amperage at different speeds. | 14th May 1920 | Box 36 \ 4 scan 036 | |
| Test data for Lucas Dynamos E.575 (R.1276 & R.1318) and Lucas Cut-outs (No.19 & No.29) under hot and cold conditions. | 14th May 1920 | Box 36 \ 4 scan 037 | |
| Performance data for Lucas E.575 and No.91/129 dynamo and cut-out sets. | 14th May 1920 | Box 36 \ 4 scan 038 | |
| Test data for Lucas dynamos and cut-outs, showing voltage, amperage, and speed under hot and cold conditions. | 14th May 1920 | Box 36 \ 4 scan 039 | |
| Operating voltages of dynamo cut-outs and efforts to improve their uniformity with suppliers. | 14th May 1920 | Box 36 \ 4 scan 040 | |
| Test tables for the Lucas E.575 Dynamo X.1627. | 8th Apr 1920 | Box 36 \ 4 scan 041 | |
| Test results table for various Lucas cut-out devices under cold operating conditions. | 30th Apr 1920 | Box 36 \ 4 scan 042 | |
| Test table results for a Lucas Cut-Out. | 5th May 1920 | Box 36 \ 4 scan 043 | |
| Instruction sheet with test results for a Lucas E575 Dynamo, showing voltage output at various speeds. | 18th May 1920 | Box 36 \ 4 scan 044 | |
| To Mr. Clarke regarding a confusion over specifications for testing dynamos and cut-outs for Messrs Lucas. | 19th May 1920 | Box 36 \ 4 scan 045 | |
| Extract concerning the Smith Dynamo and adjustments made to Lucas dynamos. | 19th May 1920 | Box 36 \ 4 scan 046 | |
| Covering memo forwarding a copy of a letter sent to the Lucas Electrical Co. Ltd. regarding dynamos. | 22th May 1920 | Box 36 \ 4 scan 047 | |
| Letter to Lucas Electrical Co. Ltd. regarding the manufacture and supply of a special dynamo for the 40/50 HP chassis. | 21th May 1920 | Box 36 \ 4 scan 048 | |
| Letter to Lucas Electrical Co. Ltd. regarding the supply and testing of dynamos. | 21th May 1920 | Box 36 \ 4 scan 049 | |
| Instruction sheet detailing DC voltage tests for a Lucas ES75 Dynamo at various speeds. | 26th May 1920 | Box 36 \ 4 scan 050 | |
| Requirement to fit the standard Lucas Dynamo for the American market. | 27th May 1920 | Box 36 \ 4 scan 051 | |
| Test results for a Lucas E575 Dynamo, showing output readings at various speeds. | 27th May 1920 | Box 36 \ 4 scan 052 | |
| Instruction sheet recording speed, amperes, and volts measurements for a component. | 24th Jan 1919 | Box 36 \ 4 scan 053 | |
| Instructions and test results for a Lucas E575 Dynamo, showing output current and voltage at various speeds. | 28th May 1920 | Box 36 \ 4 scan 054 | |
| Log of performance readings including speed, main amperes, control amperes, and volts. | 24th Jan 1919 | Box 36 \ 4 scan 055 | |
| Instruction sheet with test results for a Lucas E575 dynamo under hot conditions. | 29th May 1920 | Box 36 \ 4 scan 056 | |
| Test log recording speed, main amperes, control amperes, and volts for customer 7B49. | 24th Jan 1919 | Box 36 \ 4 scan 057 | |
| Instruction sheet with test results for a Lucas C57S Dynamo under hot conditions. | 29th May 1920 | Box 36 \ 4 scan 058 | |
| Test results for a Lucas E575 Dynamo, detailing voltage output at various speeds. | 29th May 1949 | Box 36 \ 4 scan 059 | |
| Urgent internal memo discussing a letter from Lucas Electrical Co. Ltd. about dynamos and arranging a meeting for a response. | 1st Jun 1920 | Box 36 \ 4 scan 060 | |
| Letter from The Lucas Electrical Company Ltd. discussing the electrical equipment for a 40/50 HP chassis. | 29th May 1920 | Box 36 \ 4 scan 061 | |
| Letter regarding the investigation of an electrical noise issue on a car, potentially caused by a Whittle Belt. | 29th May 1920 | Box 36 \ 4 scan 062 | |
| Testing and development of the Lucas C.575 dynamo. | 29th May 1920 | Box 36 \ 4 scan 063 | |
| Performance comparison of E.575 and C.575 dynamos, detailing factors that affect their output curves. | 29th May 1920 | Box 36 \ 4 scan 064 | |
| Dynamo testing conditions, specifically hot output curves, battery voltages, and variations in components from suppliers. | 29th May 1920 | Box 36 \ 4 scan 065 | |
| Technical memo discussing dynamo performance, output curves, and comparison with other models. | 29th May 1920 | Box 36 \ 4 scan 066 | |
| The performance of a sample Lucas C.575 dynamo, detailing noise issues and a suspected mechanical fault compared to the standard E.575 model. | 29th May 1920 | Box 36 \ 4 scan 067 | |
| Comparison between the C.575 Lucas dynamo and the E.575 dynamo for standardisation purposes. | 29th May 1920 | Box 36 \ 4 scan 068 | |
| Letter inviting Mr. Breeden from Lucas Electrical Co. Ltd. to a meeting about Lucas Dynamos. | 4th Jun 1920 | Box 36 \ 4 scan 069 | |
| Letter to Lucas Electrical Co. Ltd. regarding a visit from Mr. Breeden to test dynamos for the 40/50 HP chassis. | 4th Jun 1920 | Box 36 \ 4 scan 070 | |
| Note about rescheduling a visit from Mr. Breeden of the Lucas Electrical Co. from Monday to Tuesday. | 5th Jun 1920 | Box 36 \ 4 scan 071 | |
| Chassis dynamo heating test results for maximum output on the first lot. | 8th Jun 1920 | Box 36 \ 4 scan 072 | |
| Test results table for chassis dynamo heating under maximum output conditions. | 8th Jun 1920 | Box 36 \ 4 scan 073 | |
| Urgent memo arranging a meeting with Lucas Electrical Co. Ltd. to test dynamos rejected for noisiness. | 1st Jun 1920 | Box 36 \ 4 scan 074 | |
| Ignition and Klaxon failure on chassis 1.EX, with a critique of Lucas components. | 8th Jun 1920 | Box 36 \ 4 scan 075 | |
| Instruction sheet with test results for a Lucas F575 dynamo's output after a heating test. | 9th Jun 1920 | Box 36 \ 4 scan 076 | |
| Instruction sheet detailing test results for a Lucas ES75 Dynamo at various control brush settings. | 9th Jun 1920 | Box 36 \ 4 scan 077 | |
| Investigation into a noisy dynamo, confirming the fault is not with the drive belt. | 10th Jun 1920 | Box 36 \ 4 scan 078 | |
| Instruction sheet detailing the weights and specifications for a Lucas E 575 Shunt Wound Dynamo. | 16th Jul 1920 | Box 36 \ 4 scan 079 | |
| Instructions for a field circuit, detailing its components and winding specifications. | 17th Jul 1920 | Box 36 \ 4 scan 080 | |
| Instructions for the winding specifications of a Field Circuit and an Armature Circuit. | 17th Jul 1920 | Box 36 \ 4 scan 081 | |
| Instructions regarding the specifications of an Armature Circuit. | 17th Jul 1920 | Box 36 \ 4 scan 082 | |
| Instructions detailing the construction specifications for an armature circuit. | 19th Jul 1920 | Box 36 \ 4 scan 083 | |
| Instructions detailing specifications for the armature circuit, commutator, and brushes. | 19th Jul 1920 | Box 36 \ 4 scan 084 | |
| Instructions regarding the commutator, brushes, and winding diagram. | 19th Jul 1920 | Box 36 \ 4 scan 085 | |
| Instructions detailing the results of a test on a Lucas Dynamo armature. | 26th Jul 1920 | Box 36 \ 4 scan 086 | |
| Forwarding a letter from Lucas Electrical Co. Ltd. regarding a delay in the delivery of dynamos and switchboxes. | 19th Jun 1920 | Box 36 \ 4 scan 087 | |
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