| Description | Date | Identifier | |
| Expense report for J. H. Fraddocks for the week ending Feb 17th 1923, detailing payments in England and France. | 17th Feb 1923 | Box 182 \ M15 img010 | |
| Weekly expense sheet for J.H. Maddocks in Le Canadel, France. | 24th Feb 1923 | Box 182 \ M15 img011 | |
| Letter to Maddocks regarding a mysterious failure of a shock absorber lever and luggage carrier bracket. | 28th Jan 1920 | Box 182 \ M15 img012 | |
| Instructions for testing shock absorbers and modifying rear springs with clips and plates. | 18th Jul 1916 | Box 182 \ M15 img013 | |
| Letter discussing vehicle road testing, mileage targets, piston knock issues, and comparative performance. | 18th Jul 1916 | Box 182 \ M15 img014 | |
| Acquisition, specifications, and condition of a Bugatti car for experimental purposes. | 4th Jul 1916 | Box 182 \ M16 img001 | |
| Evaluation of a Bugatti car's engine and arranging a test drive. | 8th Aug 1916 | Box 182 \ M16 img002 | |
| Brief typed note from R. to E.P. regarding a preference for a chassis without a bulky body. | 15th Feb 1916 | Box 182 \ M16 img003 | |
| Replacement of a Zenith carburetter with a Claudel model on a Bugatti engine, including sketches of the pipe and flange. | 4th Jul 1916 | Box 182 \ M16 img004 | |
| Trial of a Claudel Hobson carburetter on a Bugatti car as a comparison to the existing Zenith system. | 15th Jul 1916 | Box 182 \ M16 img005 | |
| Suggesting the study of a straight-eight Bugatti for its road-holding characteristics. | 12th Apr 1928 | Box 182 \ M16 img006 | |
| Recommending the dismantling of an employee's eight-cylinder Bugatti engine for analysis following a bearing failure. | 16th Sep 1929 | Box 182 \ M16 img007 | |
| Descriptive memorandum on the specifications of an 8-cylinder Bugatti engine. | 2nd Jun 1930 | Box 182 \ M16 img008 | |
| Analysis of engine balance, inertia loads, and vibration characteristics at high speeds. | 2nd Jun 1930 | Box 182 \ M16 img009 | |
| Engine characteristics, including vibration periods and an analysis of a big end bearing failure. | 18th Apr 1928 | Box 182 \ M16 img010 | |
| Inquiry from Hs to Ps, Paris regarding the purchase of a second-hand straight-8 Bugatti. | 18th Apr 1928 | Box 182 \ M16 img011 | |
| From HK to Derby regarding the procurement of a straight-8 Bugatti. | 21th Apr 1928 | Box 182 \ M16 img012 | |
| Letter discussing the availability of standard and second-hand Bugatti cars, and an offer to trial a new model. | 26th Apr 1928 | Box 182 \ M16 img013 | |
| Review of an 8-cylinder, 2-litre Bugatti, comparing it unfavourably with the Phantom Sports car. | 1st Apr 1928 | Box 182 \ M16 img014 | |
| Internal note discussing intelligence on competitor Bugatti's new 5-litre and 16-cylinder car models. | 4th Sep 1929 | Box 182 \ M16 img015 | |
| Typed report commenting on various automotive technologies, competitor strategies, and the company's own cautious approach to innovation. | 21th Feb 1951 | Box 182 \ M16 img016 | |
| Expecting a further note on the progress of impregnating coils. | 3rd Nov 1913 | Box 182 \ M16 img017 | |
| Outlining the requirement for suppliers to provide detailed information on the heat treatment of parts. | 20th Sep 1912 | Box 182 \ M16 img018 | |
| Multiple vehicle faults including oil and water leaks, clutch, starter motor, and brake issues. | 18th Dec 1928 | Box 182 \ M16 img019 | |
| Improved car engine performance by analysing Bentley's two-inlet-valve design. | 30th Aug 1933 | Box 182 \ M16 img020 | |
| The testing of petrol and oil-resisting enamels on a float chamber casting. | 25th Aug 1917 | Box 182 \ M16 img021 | |
| Expressing caution about modifying the setting of 20 HP Torque Reaction Dampers. | 20th Feb 1924 | Box 182 \ M16 img022 | |
| Concerning a request to borrow a direct current motor for the crankshaft analysing rig. | 23th Dec 1913 | Box 182 \ M16 img023 | |
| Failing single thrust bearing on the 40/50 chassis, causing noisy axles and returned cars. | 7th Jun 1921 | Box 182 \ M16 img024 | |
| Aero engine thrust washer tests, bevel pinion bearing faults, and known electrical equipment issues. | 1st Jun 1921 | Box 182 \ M16 img025 | |
| List of electrical faults and a discussion on supplier equipment reliability, comparing Lucas and Delco components. | 1st Jun 1921 | Box 182 \ M16 img026 | |
| Comparison of the reliability of electrical equipment, specifically the Marmon, Smith, and Lucas generators and cut-outs. | 7th Jun 1921 | Box 182 \ M16 img027 | |
| Confirmation of a telegram regarding unsatisfactory chassis units and modified parts. | 9th Jun 1921 | Box 182 \ M16 img028 | |
| Recommendation to cease using parts from the Lucas Electrical Co. due to persistent faults causing reputational damage. | 6th Sep 1921 | Box 182 \ M16 img029 | |
| Design requirements for 'Goshawk I' and 'II' dynamos and motors for the 40 HP chassis. | 9th Jun 1921 | Box 182 \ M16 img030 | |
| Clarifying the terminology for dynamometers, proposing the use of abbreviations R.W. HP. and T.P. HP. | 6th Jun 1921 | Box 182 \ M16 img031 | |
| Telegram confirmation regarding the refusal of further electrical equipment from supplier Lucas until previous deliveries are rectified. | 14th May 1920 | Box 182 \ M16 img032 | |
| Copy of a telegram from Basil Johnson with instructions regarding equipment, stock and output. | 13th Jun 1921 | Box 182 \ M16 img033 | |
| Omission in the Works Conference minutes regarding the refusal to accept Lucas material until complaints are resolved. | 11th Jun 1921 | Box 182 \ M16 img034 | |
| To stop car deliveries due to faulty electrical equipment and to discuss the matter with Lucas. | 11th Jun 1921 | Box 182 \ M16 img035 | |
| Urgent need to obtain more satisfactory electrical equipment and to cease using parts from Lucas, suggesting approved alternatives or purchasing from the U.S.A. | 16th Jun 1921 | Box 182 \ M16 img036 | |
| Comparison of electrical systems for the 40/50 HP chassis, suggesting a C.A.V. alternative. | 14th Jun 1921 | Box 182 \ M16 img037 | |
| The poor quality of Lucas electrical equipment, particularly dynamos and fuses, and the consideration of superior alternatives. | 1st Jun 1921 | Box 182 \ M16 img038 | |
| Failure of Lucas electrical equipment and assigning blame. | 10th Oct 1921 | Box 182 \ M16 img039 | |
| Performance and proposed modifications for the lengthened Lucas dynamo. | 1st Aug 1921 | Box 182 \ M16 img040 | |
| Improvements for automatic accumulator switches and contacts, suggesting a change from copper to a carbon/silver combination. | 9th Apr 1907 | Box 182 \ M16 img041 | |
| Viability of producing Bakelite insulation mouldings in-house at the Derby Works. | 20th Jun 1921 | Box 182 \ M16 img042 | |
| Battery ignition trouble, identifying faulty condenser earthing connections as the root cause. | 26th Aug 1921 | Box 182 \ M16 img043 | |
| The completion and testing of new condenser models with an improved earthing connection. | 11th Jun 1921 | Box 182 \ M16 img044 | |
| Quality and cost of post-war German Bosch magnetos compared to those from Watford, and questioning the feasibility of using German parts. | 15th Nov 1920 | Box 182 \ M16 img045 | |
| Outlining the schedule and plans for 10,000-mile tests of experimental cars in France. | 26th Mar 1926 | Box 182 \ M16 img046 | |
| Potential improvements and modifications to a steering system, including various worms, levers and dampers. | 18th Aug 1925 | Box 182 \ M16 img047 | |
| The causes and potential solutions for high-speed steering wobble, a recently observed issue. | 11th Aug 1920 | Box 182 \ M16 img048 | |
| Diagnosing and rectifying high-speed wobbles by adjusting weight distribution and tyre balance. | 11th Aug 1920 | Box 182 \ M16 img049 | |
| Quarterly note establishing the strict procedure for introducing any changes to the chassis. | 30th Dec 1925 | Box 182 \ M16 img050 | |
| Staffing, workload, and departmental efficiency related to the Experimental Department. | 7th Mar 1931 | Box 182 \ M16 img051 | |
| High cost, impracticality, and personnel issues within the Electrical Section of the Experimental Department. | 4th Mar 1931 | Box 182 \ M16 img052 | |
| Confidential memo requesting clarification on instructions about principal officials flying in aeroplanes. | 14th Sep 1916 | Box 182 \ M16 img053 | |
| Letter from F.H. justifying why they flew in aeroplanes against instructions to troubleshoot engine issues. | 25th Oct 1916 | Box 182 \ M16 img054 | |
| The necessity of in-flight engine testing, with a handwritten reprimand for the author flying without authorization. | 25th Oct 1916 | Box 182 \ M16 img055 | |
| Importance of obtaining first-hand information on competitor engines through travel and testing. | 21th Jul 1913 | Box 182 \ M16 img056 | |
| Responding to an enquiry about altering the metal for rear brake shoes, detailing quality control issues and future inspection plans. | 21th Jul 1913 | Box 182 \ M16 img057 | |
| The investigation into brake shoe life, comparing parts and considering the need for a more efficient testing instrument. | 2nd Jun 1913 | Box 182 \ M16 img058 | |
| The concluding page of an internal memorandum, featuring a distribution list of personnel. | 2nd Jun 1913 | Box 182 \ M16 img059 | |
| Unsatisfactory ventilator designs for L to E cars which are scorching people's feet. | 28th Sep 1912 | Box 182 \ M16 img060 | |
| Sir Henry Seagrave's latest Hispano Suiza, comparing its specifications and performance to the Phantom model. | 20th Aug 1929 | Box 182 \ M16 img061 | |
| Performance review of a car's acceleration, maximum speed, steering, and brakes. | 20th Aug 1929 | Box 182 \ M16 img062 | |
| Summary of performance comparisons between a Hispano sports car and a modified Continental Phantom, focusing on braking, steering, and overall performance. | 26th Jan 1914 | Box 182 \ M16 img063 | |
| Internal memorandum confirming a Peugeot car's brakes will be examined upon its arrival in London. | 26th Jan 1914 | Box 182 \ M16 img064 | |
| Design pattern for a 'Seagull' cylinder head and induction pipe. | 29th Dec 1922 | Box 182 \ M16 img065 | |
| Proposed modifications to the exhaust system for the 'Stork' and 'Heron' models. | 8th Dec 1922 | Box 182 \ M16 img066 | |
| Proposal outlining new parts for a 20 HP car, chassis K5770, for a trip to Le Canadel. | 18th Feb 1927 | Box 182 \ M16 img067 | |
| Index page of a conference report regarding proposed experimental work and design alterations. | 30th Jan 1919 | Box 182 \ M16 img068 | |
| Aero engine flight tests, car production programme, radiator design, and battery ignition systems. | 3rd Jan 1919 | Box 182 \ M16 img069 | |
| Ignition, lighting system, battery, and chassis fuel feed system. | 3rd Jan 1919 | Box 182 \ M16 img070 | |
| Fuel pump mechanism, an anti-theft lock, valve gear covers, and foot warmers. | 30th Jan 1919 | Box 182 \ M16 img071 | |
| Meeting summary discussing design suggestions for foot warmers, fenders, luggage carriers, and other car parts. | 30th Jan 1919 | Box 182 \ M16 img072 | |
| Page detailing bodywork, specifically outside valances for toolboxes and a rack and pinion window control method. | 7th Jul 1924 | Box 182 \ M16 img073 | |
| Secret internal memo regarding travel arrangements to collect a car and a request for accommodation. | 7th Jul 1924 | Box 182 \ M16 img074 | |
| Secret memo arranging a visit and the transport of two vehicles, an EAC.11 open car and a 1.G.1. | 1st Jul 1924 | Box 182 \ M16 img075 | |
| Visit to WV, the preparation of a 25 HP chassis, and progress on designs for the Phantom II induction and petrol pump. | 9th Jul 1930 | Box 182 \ M16 img076 | |
| Outlining arrangements for a visit to W.W. and a sales trial of car 18-EX before its transfer to France. | 4th Dec 1929 | Box 182 \ M16 img077 | |
| Arranging visits to discuss aero engine points, specifically the airscrew gear problem. | 4th Dec 1929 | Box 182 \ M16 img078 | |
| Telegram regarding a proposed visit to West Wittering, with a handwritten reply. | 15th Dec 1929 | Box 182 \ M16 img079 | |
| Telegram from Royce to Hives rearranging a meeting at West Wittering. | 23th Jun 1930 | Box 182 \ M16 img080 | |
| Delay in fitting a Barker body to chassis 18-EX due to the coachbuilder disregarding drawing dimensions. | 26th Nov 1928 | Box 182 \ M16 img081 | |
| Arrival with a blue Sports Car and a potential meeting with Mr. Ellor. | 10th Dec 1927 | Box 182 \ M16 img082 | |
| Confirming a visit to WW with cars EAC.7 and 10-G-111. | 29th Aug 1927 | Box 182 \ M16 img083 | |
| Proposing a visit to W.W. with the 10-EX car. | 22th Aug 1927 | Box 182 \ M16 img084 | |
| Proposing a visit to WW to examine the EAC-VII chassis. | 12th Dec 1926 | Box 182 \ M16 img085 | |
| Proposing a visit to West Wittering with the 12-EX car and a test of the aluminum Phantom engine. | 21th Sep 1926 | Box 182 \ M16 img086 | |
| Visit with a 20 HP high compression car and a Lancia Lambda. | 8th Jun 1926 | Box 182 \ M16 img087 | |
| Delayed visit to Derby due to an individual's absence, and progress on the India steering situation and EAC.7 brakes. | 1st Feb 1926 | Box 182 \ M16 img088 | |
| Short internal memo from DA regarding a planned visit to Derby in response to a telegram. | 2nd Feb 1926 | Box 182 \ M16 img089 | |
| Visit to Derby and the build status of cars EAC.7 and EAC.8. | 2nd Feb 1926 | Box 182 \ M16 img090 | |
| Visit to West Wittering with three test cars and noting recent modifications to the 20 HP model. | 17th Sep 1925 | Box 182 \ M16 img091 | |
| Schedule for a 10,000-mile test run and subsequent plans for the 8-EX car and Mr. Royce's chassis. | 17th Sep 1925 | Box 182 \ M16 img092 | |
| Telegram from Royce to Hives arranging a visit for Saturday, Monday or Tuesday. | 17th Sep 1925 | Box 182 \ M16 img093 | |
| Secret memo confirming the delivery of an EAC 'V' series chassis. | 3rd Jan 1925 | Box 182 \ M16 img094 | |
| Improvements and continued noise issues in 'SS' cars, proposing comparative tests against a Phantom model. | 7th Jul 1929 | Box 182 \ M16 img095 | |
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