| Description | Date | Identifier | |
| Urgent request for a speedometer calibrated to 90 or 100 m.p.h. for a car proceeding to France. | 2nd Feb 1925 | Box 71 \ 4 scan0026 | |
| Arranging 'V' series car tests in France following repairs to car 98-NK. | 1st Feb 1925 | Box 71 \ 4 scan0027 | |
| Request to book accommodation for a 40/50 HP car on a boat to Boulogne. | 10th Feb 1925 | Box 71 \ 4 scan0028 | |
| Confirming a cross-channel ferry booking for an experimental car, detailing travel times and transport rules. | 11th Feb 1925 | Box 71 \ 4 scan0029 | |
| Correspondence regarding the temporary import permit (touring acquit) for chassis 98-NK into France. | 23th Feb 1925 | Box 71 \ 4 scan0030 | |
| Correspondence from A.J. Lidsey in France regarding Harvey's expenses, a delivery of engine oil, and instructions for 'Lodge' plugs. | 26th Feb 1925 | Box 71 \ 4 scan0031 | |
| 1500-mile test of the 'V' Series 98-NK car in France. | 26th Feb 1925 | Box 71 \ 4 scan0032 | |
| Issues with steering, clutch, radiator shutter control, oil leaks, and a cut-out mechanism. | 26th Feb 1925 | Box 71 \ 4 scan0033 | |
| Issues with engine supports, gudgeon pin knocks, and silencer explosions. | 1st Feb 1925 | Box 71 \ 4 scan0034 | |
| Letter proposing a test to diagnose an over-oiling issue on the EAC, caused by excessive oil on the valve mechanism. | 26th Feb 1925 | Box 71 \ 4 scan0035 | |
| From A.J. Lidsey acknowledging instructions to plug oil holes in the inlet valve operating rockers. | 28th Feb 1925 | Box 71 \ 4 scan0036 | |
| Engine drop in a 'V' Series 98-NK car due to bent front suspension bars. | 28th Feb 1925 | Box 71 \ 4 scan0037 | |
| Letter discussing bent suspension bars and a sloppy clutch pedal bearing. | 28th Feb 1925 | Box 71 \ 4 scan0038 | |
| Letter addressing vehicle faults such as radiator leaks, high-speed wobbles, and potential oil leaks. | 2nd Mar 1925 | Box 71 \ 4 scan0039 | |
| Faults with jamming radiator shutters and sticking carburetter throttles on production engines. | 2nd Mar 1925 | Box 71 \ 4 scan0040 | |
| Correspondence regarding a sloppy clutch pedal bearing and an insurance claim following an accident in Paris. | 2nd Mar 1925 | Box 71 \ 4 scan0041 | |
| Vehicle performance issues including radiator water loss, high-speed steering wobble, and oil leaks from the flywheel casing. | 4th Mar 1925 | Box 71 \ 4 scan0042 | |
| List of oil leaks and other mechanical issues such as jammed radiator shutters and a sticking carburettor throttle. | 4th Mar 1925 | Box 71 \ 4 scan0043 | |
| Works order for the despatch of various suspension and bracket parts to a representative in France. | 4th Mar 1925 | Box 71 \ 4 scan0044 | |
| Telegram reporting a piston head failure and consequent damage, with the engine being dismantled for further investigation. | 8th Oct 1930 | Box 71 \ 4 scan0045 | |
| Post office telegram from Lidsey in Chateauroux, to Hives in Derby, regarding a return after an inspection. | 15th Mar 1925 | Box 71 \ 4 scan0046 | |
| Correspondence detailing a series of telegrams regarding a piston head failure and subsequent engine inspection. | 5th Mar 1925 | Box 71 \ 4 scan0047 | |
| Broken piston in car 98-NK during tests in France. | 25th Sep 1924 | Box 71 \ 4 scan0048 | |
| Faults found in an EAC 'V' series car during testing in France. | 5th Mar 1926 | Box 71 \ 4 scan0049 | |
| Secret memo about arrangements to repair a 'V' Series car being tested in France after a piston broke. | 1st Mar 1925 | Box 71 \ 4 scan0050 | |
| Piston failure in car 98-NK during tests in France. | 7th Mar 1925 | Box 71 \ 4 scan0051 | |
| Works order listing spare parts for a customer in France. | 9th Mar 1925 | Box 71 \ 4 scan0052 | |
| Confirming the arrival and fitting of a new engine suspension, case No. 13137, to vehicle 98 NK. | 10th Mar 1925 | Box 71 \ 4 scan0053 | |
| Faults found during tests with the 98-NK car in France. | 25th Sep 1924 | Box 71 \ 4 scan0054 | |
| Findings on the performance of a radiator, engine guards, and steering systems. | 11th Mar 1925 | Box 71 \ 4 scan0055 | |
| Various mechanical failures and observations during vehicle testing. | 11th Mar 1925 | Box 71 \ 4 scan0056 | |
| Modifications for clutch slipping and a generator drive oil leak. | 11th Mar 1925 | Box 71 \ 4 scan0057 | |
| From A.J. Lidsey to 'HS' regarding the completion of a car build and enclosed expenses. | 12th Mar 1925 | Box 71 \ 4 scan0058 | |
| Letter regarding the dispatch of a new radiator and pistons for car 98-NK to address water loss and oil consumption. | 14th Mar 1925 | Box 71 \ 4 scan0059 | |
| Arrangement for testing EAC 'V' series cars and the finalization of the 93-NK car for production standards. | 16th Mar 1925 | Box 71 \ 4 scan0060 | |
| Letter providing troubleshooting advice for a butterfly throttle that does not close completely. | 16th Mar 1925 | Box 71 \ 4 scan0061 | |
| Letter from the Experimental Department to Mr. Lidsey in France regarding car faults, including a sticking throttle and steering issues. | 16th Mar 1925 | Box 71 \ 4 scan0062 | |
| High speed wobbles, carburation, clutch, and oil consumption on a 40/50 HP car. | 17th Mar 1925 | Box 71 \ 4 scan0063 | |
| Parts request for engine joints and steering springs with an update on travel plans from Chateauroux, France. | 17th Mar 1925 | Box 71 \ 4 scan0064 | |
| 10,000-mile test for the EAC 'V' series, discussing piston modifications and the 93-NK car. | 18th Mar 1925 | Box 71 \ 4 scan0065 | |
| Questioning the desirability of positioning the exhaust cut-out at the rear of the pipe. | 18th Mar 1925 | Box 71 \ 4 scan0066 | |
| Reducing oil consumption in EAC 'V' Series engines using 'L' shaped piston rings. | 18th Mar 1925 | Box 71 \ 4 scan0067 | |
| Report from A.J. Lidsey to 'HS' detailing investigations into carburettor, steering wobble, clutch, and oil consumption issues. | 18th Mar 1925 | Box 71 \ 4 scan0068 | |
| Engine issues including piston fit, oil consumption, suspension, and weak carburetion. | 19th Mar 1925 | Box 71 \ 4 scan0069 | |
| Position of the cutout on the 'V' series EAC silencer. | 19th Mar 1925 | Box 71 \ 4 scan0070 | |
| Secret memo arranging for a 'V' Series car to be registered to an individual for testing in France. | 19th Mar 1925 | Box 71 \ 4 scan0071 | |
| Secret memo detailing the arrangements for sending a Park-Ward cabriolet to France for Mr. Claude Johnson. | 19th Mar 1925 | Box 71 \ 4 scan0072 | |
| Letter to Mr. Lidsey in France regarding the logistics of sending a car and personnel arrangements. | 19th Mar 1925 | Box 71 \ 4 scan0073 | |
| Communication from France requesting new exhaust pipes and reporting issues with a newly received, incomplete radiator. | 20th Mar 1925 | Box 71 \ 4 scan0074 | |
| Typed letter from A.J. Lidsey regarding staff handover and work on vehicles 93 NK and 98 NK. | 21th Mar 1925 | Box 71 \ 4 scan0075 | |
| Letter from Hs to Mr. Lidsey regarding the return of car 98-NK to Derby after 10,000 miles of testing in France. | 23th Mar 1925 | Box 71 \ 4 scan0076 | |
| Arrangement of tests on EAC cars and their modifications. | 24th Mar 1925 | Box 71 \ 4 scan0077 | |
| Arrangements for returning a vehicle to Derby after a 10,000-mile test in France, which was hampered by spring breakages. | 24th Mar 1925 | Box 71 \ 4 scan0078 | |
| Telegram regarding the arrival of a car in Derby on a Thursday. | 24th Mar 1925 | Box 71 \ 4 scan0079 | |
| Particulars and logistical arrangements for sending car 93-NK to France. | 24th Mar 1925 | Box 71 \ 4 scan0080 | |
| Letter from E.G. Croydon in France concerning personnel movements and arrangements to transport a car chassis to England. | 24th Mar 1925 | Box 71 \ 4 scan0081 | |
| Letter from Paris to Derby concerning the incorrect handling of customs formalities for returning a test car to England. | 25th Mar 1925 | Box 71 \ 4 scan0082 | |
| Secret report on the troubles found during a 10,000-mile test of a 'V' series car in France. | 25th Mar 1925 | Box 71 \ 4 scan0083 | |
| The causes of 'EAC' engines over-oiling compared to the standard 40/50 model. | 25th Mar 1925 | Box 71 \ 4 scan0084 | |
| Oil consumption comparing standard and 'L' shaped piston rings, with a proposal for a new scraper design. | 25th Mar 1925 | Box 71 \ 4 scan0085 | |
| Reducing oil pressure to the rockers and engine gears. | 25th Mar 1925 | Box 71 \ 4 scan0086 | |
| Letter requiring a signature to obtain French Registration Numbers for car 93-NK's 10,000-mile test. | 26th Mar 1925 | Box 71 \ 4 scan0087 | |
| The logistics of cars for testing in France and a related Bankers Guarantee. | 26th Mar 1925 | Box 71 \ 4 scan0088 | |
| Requesting a signature on an enclosed letter to obtain French registration for car 93-NK for a 10,000-mile test. | 26th Mar 1925 | Box 71 \ 4 scan0089 | |
| Financial guarantee arrangement for chassis 93-NK with a Park-Ward Cabriolet Body. | 27th Mar 1925 | Box 71 \ 4 scan0090 | |
| Brief typed memo acknowledging receipt of an application for a grey card for car 93-NK. | 30th Mar 1925 | Box 71 \ 4 scan0091 | |
| The completion of a 10,000-mile test of car 98-NK in France, highlighting a fabric coupling failure. | 30th Mar 1925 | Box 71 \ 4 scan0092 | |
| The 10,000-mile test of an EAC 'V' Series 98-NK open touring car in France. | 30th Mar 1925 | Box 71 \ 4 scan0093 | |
| Component breakages and failures at specific mileages. | 30th Mar 1925 | Box 71 \ 4 scan0094 | |
| Parts worn excessively after 10,000 miles. | 25th Sep 1924 | Box 71 \ 4 scan0095 | |
| Adjustments carried out on brakes, tappets and the clutch. | 30th Mar 1925 | Box 71 \ 4 scan0096 | |
| Summarizing vehicle complaints and the modifications instructed to resolve them. | 25th Sep 1924 | Box 71 \ 4 scan0097 | |
| Complaints and the corresponding modifications instructed to resolve them. | 30th Mar 1925 | Box 71 \ 4 scan0098 | |
| Secret memo detailing the status of 'V' Series test cars undergoing modifications and repairs in France. | 30th Mar 1925 | Box 71 \ 4 scan0099 | |
| Continued memo regarding the modernization of a returned car for use in France. | 3rd Mar 1925 | Box 71 \ 4 scan0100 | |
| The failure of an oil relay ignition advance scheme due to a perished cup leather. | 3rd Mar 1925 | Box 71 \ 4 scan0101 | |
| The failure of a fabric coupling on a 98-NK car. | 1st Mar 1925 | Box 71 \ 4 scan0102 | |
| 10,000-mile test conducted in France, detailing steering and engine performance. | 31th Mar 1925 | Box 71 \ 4 scan0103 | |
| Component wear and performance issues, focusing on controls and clutch systems. | 31th Mar 1925 | Box 71 \ 4 scan0104 | |
| Remedies for clutch slipping and observations on exhaust system component performance and failures. | 31th Mar 1925 | Box 71 \ 4 scan0105 | |
| The performance of radiator shutters, brakes, springing, and electrical systems during testing. | 1st Apr 1925 | Box 71 \ 4 scan0106 | |
| Acknowledging a telegram and confirming arrangements for meeting a car arriving at Boulogne. | 1st Apr 1925 | Box 71 \ 4 scan0107 | |
| Modifications for a car undergoing tests in France, comparing it to a recently returned vehicle. | 1st Apr 1925 | Box 71 \ 4 scan0108 | |
| Modifications to various engine and chassis components. | 1st Apr 1925 | Box 71 \ 4 scan0109 | |
| Results of a 10,000-mile car test, noting its performance, issues, and potential improvements. | 3rd Apr 1925 | Box 71 \ 4 scan0110 | |
| Confirming that car 93-NK has cleared French customs to run on a Touring Acquit. | 4th Apr 1925 | Box 71 \ 4 scan0111 | |
| From France regarding the local purchase of oil, enclosing expense and time sheets, and requesting a replacement part for a squeaking push-rod. | 5th Apr 1925 | Box 71 \ 4 scan0112 | |
| Letter requesting daily vehicle reports and detailing an issue with a cutout that stuck open. | 6th Apr 1925 | Box 71 \ 4 scan0113 | |
| Telegram from Hancock in Chateauroux, France, reporting on a drop in oil consumption after the first five hundred miles. | 6th Apr 1925 | Box 71 \ 4 scan0114 | |
| Oil consumption figures and suggesting a test to increase crankcase ventilation. | 6th Apr 1925 | Box 71 \ 4 scan0115 | |
| From G.W. Hancock detailing oil consumption figures and reporting a faulty oil gauge. | 6th Apr 1925 | Box 71 \ 4 scan0116 | |
| Correcting tyre mileage reports for the 4th and 5th inst. | 7th Apr 1925 | Box 71 \ 4 scan0117 | |
| Vehicle 93 NK after completing 1,340 miles. | 7th Apr 1925 | Box 71 \ 4 scan0118 | |
| Condition report on the engine coupling, pedals, brakes, steering suspension, and coachwork. | 8th Apr 1925 | Box 71 \ 4 scan0119 | |
| From G.W. Hancock to 'Hs' detailing results from two oil consumption tests at different speeds. | 8th Apr 1925 | Box 71 \ 4 scan0120 | |
| Oil filler cap, a test on a low pressure valve, and an employee's illness. | 8th Apr 1925 | Box 71 \ 4 scan0121 | |
| Instructions to Mr. Hancock regarding the performance, lubrication, and fuel consumption of car 93-NK. | 8th Apr 1925 | Box 71 \ 4 scan0122 | |
| Oil consumption tests involving crankcase baffles and different piston ring configurations. | 1st Apr 1925 | Box 71 \ 4 scan0123 | |
| Page discussing the efficiency and oil consumption of 'L' shaped piston rings. | 1st Apr 1925 | Box 71 \ 4 scan0124 | |
| Vehicle reports, clutch performance, and upcoming work after the holidays. | 9th Apr 1925 | Box 71 \ 4 scan0125 | |
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