| Description | Date | Identifier | |
| On hotel letterhead detailing a journey delay caused by a tyre puncture and a faulty jack. | 4th Nov 1934 | Box 125 \ 2 scan0131 | |
| On hotel letterhead detailing vehicle performance, fuel consumption and travel delays. | 5th Nov 1934 | Box 125 \ 2 scan0132 | |
| The steering and riding qualities of a car during a road test in France. | 5th Nov 1934 | Box 125 \ 2 scan0133 | |
| Road test report detailing vehicle performance with gears, brakes, and handling characteristics. | 5th Nov 1934 | Box 125 \ 2 scan0134 | |
| Instruction on a French hotel letterhead regarding onward travel. | 5th Nov 1934 | Box 125 \ 2 scan0135 | |
| Road test report on the car's steering, springing, and handling on French pavé roads. | 5th Nov 1934 | Box 125 \ 2 scan0136 | |
| Test report from the Montlhéry track with a Cadillac, detailing maximum speed and acceleration data. | 7th Nov 1934 | Box 125 \ 2 scan0137 | |
| Data sheet showing vehicle acceleration times in seconds for 1st and 2nd gear. | 7th Nov 1934 | Box 125 \ 2 scan0138 | |
| The road and track testing of a Cadillac, detailing performance and mechanical issues found. | 7th Nov 1934 | Box 125 \ 2 scan0139 | |
| Forwarding a test report on a Cadillac car's poor performance after being driven on Belgian Pavé roads. | 7th Nov 1934 | Box 125 \ 2 scan0140 | |
| Repair of a broken exhaust pipe flange on a Cadillac. | 8th Nov 1934 | Box 125 \ 2 scan0141 | |
| Handling behaviour of a Cadillac car, particularly its anti-rolling control system. | 8th Nov 1934 | Box 125 \ 2 scan0142 | |
| Cornering characteristics of a Cadillac car, specifically the effect of the rear axle's anti-rolling control. | 9th Nov 1934 | Box 125 \ 2 scan0143 | |
| The anti-rolling control on a Cadillac car and the difficulty of applying it to the front axle of a Spectre. | 10th Nov 1934 | Box 125 \ 2 scan0144 | |
| Cornering issues on a Cadillac car, investigating the roll rod, tyre creep, and loss of castor. | 12th Nov 1934 | Box 125 \ 2 scan0145 | |
| Instructions for vehicle modifications, oil testing, and performance evaluation on pavé roads. | 12th Nov 1934 | Box 125 \ 2 scan0146 | |
| Post-test examination and analysis of a Cadillac's composite wood and steel body. | 13th Nov 1934 | Box 125 \ 2 scan0147 | |
| Road testing car 21-G-IV, detailing modifications to the steering, brakes, clutch, and flywheel with performance notes. | 14th Nov 1934 | Box 125 \ 2 scan0148 | |
| Proposal for a 20,000-mile test run for a Cadillac in France and England. | 16th Nov 1934 | Box 125 \ 2 scan0149 | |
| Cadillac's poor handling on bad roads and issues with noisy tappets, compared to the 28 EX model. | 16th Nov 1934 | Box 125 \ 2 scan0150 | |
| To G.W. Hancock regarding reported issues with hydraulic tappets, brakes, and a rattling water pump drive for the Wraith model. | 17th Nov 1934 | Box 125 \ 2 scan0151 | |
| Response to a daily test report discussing hydraulic tappets and steering performance compared to a Cadillac. | 19th Nov 1934 | Box 125 \ 2 scan0152 | |
| Suggesting to share notes from a 15,000-mile Cadillac test with General Motors. | 19th Nov 1934 | Box 125 \ 2 scan0153 | |
| Technical report from France detailing issues with tyres, noisy tappets, brakes, and water pump rattles on a vehicle. | 19th Nov 1934 | Box 125 \ 2 scan0154 | |
| Summary for a 10,000-mile Cadillac test conducted in France. | 20th Nov 1934 | Box 125 \ 2 scan0155 | |
| Telegram reporting that a Cadillac engine developed a bad rattle due to seizing gudgeon pins. | 21th Nov 1934 | Box 125 \ 2 scan0156 | |
| Issues and comparisons regarding Cadillac hydraulic tappets, steering, and springing. | 21th Nov 1934 | Box 125 \ 2 scan0157 | |
| Methods to prevent rear axle dithering and the effects of tyre pressure on ride quality. | 22th Nov 1934 | Box 125 \ 2 scan0158 | |
| Letter discussing tyre wear on a Cadillac, gudgeon pin seizures, and comparing chain drive versus gear drive front ends. | 22th Nov 1934 | Box 125 \ 2 scan0159 | |
| American cars, a visit to Paris to test a Cadillac, and interest in a bumper bar. | 22th Nov 1934 | Box 125 \ 2 scan0160 | |
| From France concerning scrubbing action and mileage on Cadillac tyres. | 23th Nov 1934 | Box 125 \ 2 scan0161 | |
| Tyre wear and engine performance of a Cadillac, with comparisons to other models. | 24th Nov 1934 | Box 125 \ 2 scan0162 | |
| Postscript regarding a telegram and the difficulty in obtaining bushes for rods or new gudgeon pins. | 24th Nov 1934 | Box 125 \ 2 scan0163 | |
| Telegram to Hancock in France enquiring about obtaining parts for a Cadillac. | 24th Nov 1934 | Box 125 \ 2 scan0164 | |
| Telegram about an unsuccessful attempt to obtain bushes and gudgeon pins, and a planned trip to Paris. | 24th Nov 1934 | Box 125 \ 2 scan0165 | |
| Letter to Dunlop Rubber Co. Ltd. regarding tyre testing on a Cadillac 16. | 26th Nov 1934 | Box 125 \ 2 scan0166 | |
| Cadillac 10,000 miles test, concerning a gudgeon pin seizure and tappet performance. | 26th Nov 1934 | Box 125 \ 2 scan0167 | |
| Letter to G.W. Hancock regarding vehicle testing reports, comparing a Cadillac to a 20/25 model, and discussing technical issues with car 21-G-IV. | 26th Nov 1934 | Box 125 \ 2 scan0168 | |
| Breakdown during a Cadillac 10,000 miles test and the importance of continuing at normal speed. | 27th Nov 1934 | Box 125 \ 2 scan0169 | |
| Letter from Dunlop Rubber Co. Ltd. regarding the performance of '90' tyres and returning photographs. | 27th Nov 1934 | Box 125 \ 2 scan0170 | |
| Close-up photograph of a Rafford tyre, detailing its block tread pattern. | 2nd Jul 1935 | Box 125 \ 2 scan0171 | |
| Close-up photograph of a Dunlop Fort tyre. | 2nd Jul 1935 | Box 125 \ 2 scan0173 | |
| The difficulty in obtaining bushes for Cadillac connecting rods and comparing rolled vs solid types. | 6th Dec 1934 | Box 125 \ 2 scan0174 | |
| Letter to G.W. Hancock regarding discrepancies in reported lap speeds and issues with engine pulsations. | 10th Dec 1934 | Box 125 \ 2 scan0175 | |
| From Sg. to Hs/Rm. asking for an update on the repair of a Cadillac. | 10th Dec 1934 | Box 125 \ 2 scan0176 | |
| From GWH to Hs regarding the completion of repairs on a Cadillac in Paris. | 10th Dec 1934 | Box 125 \ 2 scan0177 | |
| Cadillac, attaching a note received from Hancock. | 12th Dec 1934 | Box 125 \ 2 scan0178 | |
| 6,000-mile road test report on a Cadillac, detailing its performance and handling on various road conditions. | 10th Dec 1934 | Box 125 \ 2 scan0179 | |
| Technical report on vehicle performance, detailing issues with the engine, valve rockers, and carburettors. | 10th Dec 1934 | Box 125 \ 2 scan0180 | |
| Performance and condition report on the petrol system, cooling system, steering, gearbox, and brakes. | 10th Dec 1934 | Box 125 \ 2 scan0181 | |
| Condition and performance of various vehicle components including dampers, axle, propeller shaft, and electrical system. | 10th Dec 1934 | Box 125 \ 2 scan0182 | |
| Engine issues related to gudgeon pins and oil pressure, along with car weight, oil type used, average speeds, and tyre mileage. | 12th Dec 1934 | Box 125 \ 2 scan0183 | |
| Letter discussing Spectre suspension, oil consumption, and comparison testing with a Cadillac. | 12th Dec 1934 | Box 125 \ 2 scan0184 | |
| Letter to G.W. Hancock discussing various technical issues with a vehicle including the carburetter, silencer, and brakes. | 13th Dec 1934 | Box 125 \ 2 scan0185 | |
| Cadillac car held up in France due to seized gudgeon pins. | 13th Dec 1934 | Box 125 \ 2 scan0186 | |
| Letter discussing a 10,000-mile report on Cadillac bearings, oil pressure, ignition timing, and engine mounting. | 15th Dec 1934 | Box 125 \ 2 scan0187 | |
| From France detailing road tests on a Cadillac, focusing on suspension and ignition. | 17th Dec 1934 | Box 125 \ 2 scan0188 | |
| Cadillac test and recommending key personnel participate for familiarization. | 18th Dec 1934 | Box 125 \ 2 scan0189 | |
| Road test of a Cadillac in France to evaluate its independent front suspension for comparison. | 18th Dec 1934 | Box 125 \ 2 scan0190 | |
| Telegram received by telephone reporting the repeated failure of Cadillac gudgeon pins and bushes and requesting instructions. | 19th Dec 1934 | Box 125 \ 2 scan0191 | |
| Telegram to Hancock in France regarding information for manufacturing gudgeon pin bushes. | 19th Dec 1934 | Box 125 \ 2 scan0192 | |
| The repeated failure of Cadillac gudgeon pins and bushes after an engine became noisy. | 19th Dec 1934 | Box 125 \ 2 scan0193 | |
| Placeholder memo indicating a document has been refiled. | 28th Dec 1934 | Box 125 \ 2 scan0194 | |
| Failure of gudgeon pins during a Cadillac 10,000 miles test and the proposed modifications. | 28th Dec 1934 | Box 125 \ 2 scan0195 | |
| Arrangements for officials to travel to France to test a Cadillac. | 31th Dec 1934 | Box 125 \ 2 scan0196 | |
| Investigation into the failure of con rod top bearings and oil pressure issues on a Cadillac. | 2nd Jan 1935 | Box 125 \ 2 scan0197 | |
| Telegram proposing a comparison test between a Cadillac and a 21-G-IV car in France. | 4th Jan 1935 | Box 125 \ 2 scan0198 | |
| Letter to G.W. Hancock regarding a Cadillac carburetter modification, a planned test drive in France, and a solution for K.L.G. spark plugs. | 4th Jan 1935 | Box 125 \ 2 scan0199 | |
| Telegram from Chateauroux concerning the availability of Hives' cars. | 5th Jan 1935 | Box 125 \ 2 scan0200 | |
| Arrangements for testing a Cadillac car in Boulogne, France. | 5th Jan 1935 | Box 125 \ 2 scan0201 | |
| Arranging a trial of a Cadillac car, to meet the morning boat at Boulogne. | 5th Jan 1935 | Box 125 \ 2 scan0202 | |
| Trial of a Cadillac in France, recommending a coachwork specialist should attend. | 5th Jan 1935 | Box 125 \ 2 scan0203 | |
| Troubleshooting issues with a Cadillac's sticking tappets, low oil pressure, and brake adjustments. | 6th Jan 1935 | Box 125 \ 2 scan0204 | |
| Instructions for arranging two cars to meet a boat in Boulogne for testing. | 7th Jan 1935 | Box 125 \ 2 scan0205 | |
| Letter detailing issues with two Cadillac cars, including problems with tappets, rockers, and oil pressure. | 7th Jan 1935 | Box 125 \ 2 scan0206 | |
| Sg. to Hs. arranging collection of a Cadillac in Paris for a journey to Vevey. | 8th Jan 1935 | Box 125 \ 2 scan0207 | |
| Arranging a visit for coachbuilders to test and compare a Cadillac and a 21-G-4 model in France. | 14th Jan 1935 | Box 125 \ 2 scan0208 | |
| Comparative trial report of a Cadillac and a 21-G-IV vehicle in France. | 14th Jan 1935 | Box 125 \ 2 scan0209 | |
| Comparison between Cadillac and Rolls-Royce vehicles focusing on steering, mechanical noise, ride comfort, and suspension. | 14th Jan 1935 | Box 125 \ 2 scan0210 | |
| Observations on French steel body construction and the superior durability of American custom-built bodies. | 14th Jan 1935 | Box 125 \ 2 scan0211 | |
| Despatch of Gudgeon Pins and Bushes for a Cadillac car to Paris. | 14th Jan 1935 | Box 125 \ 2 scan0212 | |
| Despatch note for replacement gudgeon pins and bushes for a Cadillac. | 14th Jan 1935 | Box 125 \ 2 scan0213 | |
| Short typed message to Hancock rescheduling a phone call. | 15th Jan 1935 | Box 125 \ 2 scan0214 | |
| Arrangements for tests in France of a Cadillac and a 21-G-IV vehicle. | 16th Jan 1935 | Box 125 \ 2 scan0215 | |
| Telegram received by telephone regarding a broken tortion control arm on a Cadillac. | 16th Jan 1935 | Box 125 \ 2 scan0216 | |
| Arranging for personnel to be available in Paris with a Cadillac and another vehicle for testing. | 16th Jan 1935 | Box 125 \ 2 scan0217 | |
| Letter arranging a comparative road test of a Cadillac and a 20/25 model, and a visit from London Coachbuilders. | 16th Jan 1935 | Box 125 \ 2 scan0218 | |
| Broken tortion arm on a Cadillac during a run in France. | 16th Jan 1935 | Box 125 \ 2 scan0219 | |
| Sketch detailing the failure of a Cadillac torsion arm at 11,482 miles, noting flaws in the material. | 16th Jan 1935 | Box 125 \ 2 scan0220 | |
| Querying the lack of information on adjustable tappets in a 12,000-mile report on a Cadillac. | 8th Mar 1935 | Box 125 \ 2 scan0221 | |
| Troubles experienced with hydraulic adjustable tappets on a Cadillac engine. | 11th Mar 1935 | Box 125 \ 2 scan0222 | |
| Report on the performance and wear of a Cadillac clutch after 12,000 miles. | 12th Mar 1935 | Box 125 \ 2 scan0223 | |
| Letter from Buick Motor Company regarding the process for ordering a 1938 Series '60' car. | 10th Aug 1937 | Box 125 \ 3 scan0001 | |
| Purchase of a 1938 Buick to study its features for potential incorporation into their own engine design. | 18th Aug 1937 | Box 125 \ 3 scan0002 | |
| Letter to C.A. Chayne of Buick Motor Company regarding a previous suggestion and an order. | 20th Aug 1937 | Box 125 \ 3 scan0003 | |
| Typed memo concerning the ordering of a 1938 Buick car and the information required to proceed. | 26th Aug 1937 | Box 125 \ 3 scan0004 | |
| The desired specifications for a Buick 'Century' model to be purchased for comparison purposes. | 28th Aug 1937 | Box 125 \ 3 scan0005 | |
| Letter to Messrs. Lendrum & Hartman, Ltd., requesting a 1938 Buick car be fitted with a radio and an interior heater. | 30th Aug 1937 | Box 125 \ 3 scan0006 | |
| Letter confirming an order for a 1938 Buick car with specific features. | 27th Aug 1937 | Box 125 \ 3 scan0007 | |
| Requesting clarification on the specifications for a Buick car, including wheelbase, spare wheels, and colour options. | 31th Aug 1937 | Box 125 \ 3 scan0008 | |
| | | | |
