| Description | Date | Identifier | |
| Request to manufacture two sets of modified relief valves and caps for a 'Spectre' model to resolve a valve chatter issue. | 26th Sep 1935 | Box 91 \ 3 scan0111 | |
| The rear axle and chassis pipe fouling on a Phantom III - 31-EX during a fast getaway. | 2nd Oct 1935 | Box 91 \ 3 scan0112 | |
| Giving instructions to fit and modify a gearbox for the 'Spectre II' vehicle. | 3rd Oct 1935 | Box 91 \ 3 scan0113 | |
| List of desirable modifications for the Phantom III chassis 31-EX before its departure for France. | 3rd Oct 1935 | Box 91 \ 3 scan0114 | |
| Arrangements for the Spectre II model for a demonstration in Paris. | 3rd Oct 1935 | Box 91 \ 3 scan0115 | |
| Instruction to fit a special soft rubber rear engine mounting with a different durometer to a Spectre II car for France. | 4th Oct 1935 | Box 91 \ 3 scan0116 | |
| Hydraulic tappet noise at high speeds on a Phantom III 31-EX, detailing spring replacements and further test recommendations. | 7th Oct 1935 | Box 91 \ 3 scan0117 | |
| Comparative test of a standard fan versus a Cadillac fan for the Phantom III, chassis 31-EX, focusing on cooling and noise. | 7th Oct 1935 | Box 91 \ 3 scan0118 | |
| Reduction of clearance in the distributors of a Phantom III 31-EX to minimize shake. | 7th Oct 1935 | Box 91 \ 3 scan0119 | |
| Note on the Phantom III (31-EX) ignition control, detailing weakness in the overhanging tube for the control rod. | 7th Oct 1935 | Box 91 \ 3 scan0120 | |
| Modification and load testing of the lightened throttle spring for a Phantom III, 31-EX. | 7th Oct 1935 | Box 91 \ 3 scan0121 | |
| Modifications to the throttle control springs for the Phantom III 31-EX model to reduce pedal load. | 8th Oct 1935 | Box 91 \ 3 scan0122 | |
| Telegram about a car repair, reporting detonation and steering issues, and arranging for a car to meet Hives. | 11th Oct 1932 | Box 91 \ 3 scan0123 | |
| To G.W. Hancock regarding a rattle on chassis 35-MX, a new thermometer, and steering issues. | 11th Oct 1935 | Box 91 \ 3 scan0124 | |
| Request to build and despatch a 33-gallon petrol tank for fitting to a Spectre II vehicle. | 15th Oct 1935 | Box 91 \ 3 scan0125 | |
| Request for a replacement gearbox mounting for a Phantom III car, chassis 3I. EX. | 16th Oct 1935 | Box 91 \ 3 scan0126 | |
| Sketch of the rear gearbox support for the Phantom III, with a note on the rubber mounting. | 19th Oct 1935 | Box 91 \ 3 scan0127 | |
| Letter concerning a replacement gearbox rubber for 31-EX and road shock modifications. | 19th Oct 1935 | Box 91 \ 3 scan0128 | |
| Requesting the production of a pair of aluminum blocks to replace front engine rubbers for steering tests. | 21th Oct 1935 | Box 91 \ 3 scan0129 | |
| Leaking valve on a Phantom III, requesting a modified replacement or soldering the current one. | 22th Oct 1935 | Box 91 \ 3 scan0130 | |
| Letter requesting rear axle oil temperature figures for a Spectre model, comparing dynamometer test results with road conditions. | 23th Oct 1935 | Box 91 \ 3 scan0131 | |
| Petrol pump and chassis lubrication issues for a Phantom III vehicle. | 23th Oct 1935 | Box 91 \ 3 scan0132 | |
| Report regarding a resoldered oil radiator leak on a Phantom III vehicle. | 24th Oct 1935 | Box 91 \ 3 scan0133 | |
| Confirming the removal of a front torsion rod has no effect on steering and that aluminum blocks for the front engine feet have been received. | 24th Oct 1935 | Box 91 \ 3 scan0134 | |
| Phantom III axle and gearbox temperatures and oil from Chateauroux, France. | 25th Oct 1935 | Box 91 \ 3 scan0135 | |
| Telegram reporting a broken rocker excentric lug on a Robotham number six. | 26th Oct 1913 | Box 91 \ 3 scan0136 | |
| Letter to The S.U. Company Ltd. regarding trouble with petrol pumps on a Phantom III car being tested in France. | 26th Oct 1935 | Box 91 \ 3 scan0137 | |
| The concluding page of a letter requesting comments on an unspecified trouble. | 26th Oct 1935 | Box 91 \ 3 scan0138 | |
| Rear axle oil temperatures and a noisy tappet on a Phantom III vehicle in France. | 26th Oct 1935 | Box 91 \ 3 scan0139 | |
| Phantom III engine mounts, undershields, and gearbox vibration issues from France. | 27th Oct 1935 | Box 91 \ 3 scan0140 | |
| Cross-sectional sketch of a bolted steel cap assembly with a handwritten note. | 28th Oct 1935 | Box 91 \ 3 scan0141 | |
| Phantom III engine failure involving high oil temperature and a subsequent telegram for advice. | 28th Oct 1935 | Box 91 \ 3 scan0142 | |
| Letter regarding the dispatch of new fuel pump diaphragms and steel pivot lubricators. | 28th Oct 1935 | Box 91 \ 3 scan0143 | |
| Telegram about a failed Phantom engine, asking if the flywheel needs removing to dismantle the lower half. | 28th Oct 1935 | Box 91 \ 3 scan0144 | |
| Letter to G.W. Hancock discussing failures, modifications, and performance characteristics of Spectre and Bentley vehicles. | 29th Oct 1935 | Box 91 \ 3 scan0145 | |
| Letter from Wakefield & Co. Ltd. regarding the delivery arrangements for a barrel of PATENT CASTROL XL oil to the Paris office for testing. | 23th Oct 1935 | Box 91 \ 3 scan0146 | |
| Requesting the despatch of two front engine mounting caps to G.W. Hancock at Chateauroux. | 29th Oct 1935 | Box 91 \ 3 scan0147 | |
| Field report on the dismantling of a Phantom III engine to investigate a connecting rod bearing failure in France. | 29th Oct 1935 | Box 91 \ 3 scan0148 | |
| Telegram reporting a run-out main connecting rod bearing on Hives number two. | 29th Jan 1935 | Box 91 \ 3 scan0149 | |
| Requesting the despatch of a 33-gallon petrol tank for a Phantom III experimental car (31-EX). | 30th Oct 1935 | Box 91 \ 3 scan0150 | |
| Typed note confirming the dispatch of 1 gallon of gear oil to G.W. Hancock at the Hotel de France, Chateauroux. | 30th Oct 1935 | Box 91 \ 3 scan0151 | |
| Brief communication about a potentially damaged crankshaft in France. | 30th Oct 1935 | Box 91 \ 3 scan0152 | |
| Telegram from Chateauroux to Derby confirming that the Robotham crankshaft is not damaged. | 30th Oct 1935 | Box 91 \ 3 scan0153 | |
| Requesting the urgent despatch of a Phantom III oil temperature regulator. | 30th Oct 1935 | Box 91 \ 3 scan0154 | |
| Letter regarding the exchange of a Cadillac fan for a Rolls-Royce version for comparison purposes. | 30th Oct 1935 | Box 91 \ 3 scan0155 | |
| Letter to G.W. Hancock regarding the dispatch of engine caps and issues with a replacement gearbox rubber. | 30th Oct 1935 | Box 91 \ 3 scan0156 | |
| Telegram reporting a general failure of conrod bearings on a Phantom, with the parts being returned to Derby. | 31th Oct 1935 | Box 91 \ 3 scan0157 | |
| Telegram received by telephone regarding the arrival and travel status of various personnel. | 31th Oct 1935 | Box 91 \ 3 scan0158 | |
| Letter detailing steering joggle fixes with lead weights and a modification to gearbox oil drainage pipes. | 31th Oct 1935 | Box 91 \ 3 scan0159 | |
| The examination of a dismantled Bentley and Phantom III engine, detailing bearing and piston failures. | 31th Oct 1935 | Box 91 \ 3 scan0160 | |
| Plunger clearances, Aero Cushion Tyres, and a delayed oil shipment from Wakefield's. | 31th Oct 1935 | Box 91 \ 3 scan0161 | |
| Letter discussing production of the 'big bore Bentley', concerns over its clutch, and a bearing failure on the Spectre model. | 1st Nov 1935 | Box 91 \ 3 scan0162 | |
| Field report detailing brake and undersheet failures on a Phantom III vehicle in France. | 3rd Nov 1935 | Box 91 \ 3 scan0163 | |
| Servo and linkage, and an opinion on a bearing failure. | 3rd Nov 1935 | Box 91 \ 3 scan0164 | |
| Communication regarding a customs hold-up in France for Phantom III tools. | 4th Nov 1935 | Box 91 \ 3 scan0165 | |
| Correspondence regarding the replacement of a Phantom III Oil Temperature Regulator. | 4th Nov 1935 | Box 91 \ 3 scan0166 | |
| Customs issues with Phantom III parts and a comparative flexibility test of fan blades against a Cadillac. | 5th Nov 1935 | Box 91 \ 3 scan0167 | |
| Progress report detailing issues and work on a fan, a 33-gallon petrol tank, bearings, oil coolers, and a plan for clutch work on a Bentley in Paris. | 6th Nov 1935 | Box 91 \ 3 scan0168 | |
| Letter to G.W. Hancock regarding rear spring anchorage and tyre recommendations. | 6th Nov 1935 | Box 91 \ 3 scan0169 | |
| Telegram to Hancock in France regarding a potential cause for engine failure. | 7th Nov 1935 | Box 91 \ 3 scan0170 | |
| Requesting to send a pair of Autolock Rear Dampers to France for the Spectre II. | 9th Nov 1935 | Box 91 \ 3 scan0171 | |
| Report regarding a Phantom III with jammed rear brakes due to grit from atrocious weather. | 9th Nov 1935 | Box 91 \ 3 scan0172 | |
| The failure of bearings in a Phantom III and a Bentley. | 9th Nov 1935 | Box 91 \ 3 scan0173 | |
| Photograph of used Phantom III 31EX connecting rod bearings after 6,799 miles. | 29th Oct 1935 | Box 91 \ 3 scan0174 | |
| Photograph showing a broken Phantom III O/S brake drum. | 19th Nov 1935 | Box 91 \ 3 scan0175 | |
| Photograph showing a damaged Off-Side (OS) brake drum from a Phantom III experimental car. | 18th Nov 1935 | Box 91 \ 3 scan0176 | |
| Test report on a Phantom III, including a comparative analysis of fan noise against a Cadillac. | 9th Nov 1935 | Box 91 \ 3 scan0177 | |
| Confirming a fan has been forwarded to the Paris Depot for despatch to Derby. | 10th Nov 1935 | Box 91 \ 3 scan0178 | |
| The cause of fractures in the Phantom III rear brake drums, attributing the failure to grit. | 10th Nov 1935 | Box 91 \ 3 scan0179 | |
| Diagram and notes concerning a broken Off Side Rear Brake Drum for a Phantom III 31EX. | 10th Nov 1935 | Box 91 \ 3 scan0180 | |
| Drawing showing the approximate position of broken pieces on an off-side rear brake drum for a Phantom III 31.EX. | 10th Nov 1935 | Box 91 \ 3 scan0181 | |
| Hand-drawn diagram illustrating an interference issue where a brake drum fouls on a component. | 10th Nov 1935 | Box 91 \ 3 scan0182 | |
| Issues with a Phantom III including the rope support bracket, rear brake jamming, and oil supply to quiet tappets. | 11th Nov 1935 | Box 91 \ 3 scan0183 | |
| Blueprint of water and dirt excluders for the rear brake foot and hand levers on a Phantom III 31 Ex. | 11th Nov 1935 | Box 91 \ 3 scan0184 | |
| Wheel wobble and gearbox issues with a 31 EX - Phantom III. | 11th Nov 1935 | Box 91 \ 3 scan0185 | |
| Letter regarding the dispatch of rear gearbox rubbers and a fitting issue for a Phantom III. | 11th Nov 1935 | Box 91 \ 3 scan0186 | |
| Telex message to Hancock in France regarding a delayed delivery of bearings, postponing a departure. | 12th Nov 1935 | Box 91 \ 3 scan0187 | |
| Report correcting the cause for breaking rear drums on a Phantom III, identifying bolts holding the rear cross member as the problem. | 12th Nov 1935 | Box 91 \ 3 scan0188 | |
| Diagram illustrating an interference issue where the rear brake drums foul the nuts holding the cross member on a Phantom III chassis. | 12th Nov 1935 | Box 91 \ 3 scan0189 | |
| Notification regarding the end of a bolt being cut off. | 13th Nov 1935 | Box 91 \ 3 scan0190 | |
| Lower rating road springs, anti-roll rods, and the use of silent-bloc bushes on various car models. | 13th Nov 1935 | Box 91 \ 3 scan0191 | |
| The condition of Phantom III main bearings following a telegram. | 13th Nov 1935 | Box 91 \ 3 scan0192 | |
| Use and modification of oilite bushes for the Phantom III, model 31-EX. | 14th Nov 1935 | Box 91 \ 3 scan0193 | |
| Brake drum clearance and the rear roll rod on a Phantom III. | 14th Nov 1935 | Box 91 \ 3 scan0194 | |
| 'Oilite' bushes for hand and foot brake bell cranks on Phantom III rear carrier plates. | 14th Nov 1935 | Box 91 \ 3 scan0195 | |
| Letter to a client in France regarding technical issues with Phantom III brakes, specifically bearing wear and pedal pressure. | 14th Nov 1935 | Box 91 \ 3 scan0196 | |
| Noisy tappets and a recurring broken eccentric on a Phantom III, requesting spare parts and advice on the cause. | 15th Nov 1935 | Box 91 \ 3 scan0197 | |
| Failure and repair of a silent tappet on a Phantom III. | 14th Nov 1935 | Box 91 \ 3 scan0198 | |
| Letter to a customer regarding an issue with the suspension of Spectre rear dampers. | 15th Nov 1935 | Box 91 \ 3 scan0199 | |
| Letter regarding the dispatch and testing of a pair of Autolock rear shock dampers. | 15th Nov 1935 | Box 91 \ 3 scan0200 | |
| Request for additional copies of photographs documenting component failures. | 18th Nov 1935 | Box 91 \ 3 scan0201 | |
| Photograph of two front tyres after 7,764 miles of use on a Phantom III experimental car. | 18th Nov 1935 | Box 91 \ 3 scan0202 | |
| Telegram regarding an accident, instructing communication with representatives in France. | 18th Nov 1935 | Box 91 \ 3 scan0203 | |
| The Phantom III experimental car (31.EX) detailing issues with the gearbox, petrol tank, and tappets. | 19th Nov 1935 | Box 91 \ 3 scan0204 | |
| Fatal car accident in Chateauroux, France, involving car 31-EX, detailing injuries, a fatality, and damage to the vehicle. | 19th Nov 1935 | Box 91 \ 3 scan0205 | |
| 10,000-mile report on the springing and engine performance of a Phantom III Saloon Park Ward tested in France. | 20th Nov 1935 | Box 91 \ 3 scan0206 | |
| Test report detailing issues with the water system, carburation, and piston wear at specific mileages. | 8th Oct 1935 | Box 91 \ 3 scan0207 | |
| Examination report on engine component failures, specifically concerning connecting rods, bearings, and the spring drive. | 8th Oct 1935 | Box 91 \ 3 scan0208 | |
| The performance and issues of various engine components after mileage testing. | 8th Oct 1935 | Box 91 \ 3 scan0209 | |
| Issues and observations on engine components such as rocker shafts, plungers, cylinders, and camshaft after a mileage test. | 8th Oct 1935 | Box 91 \ 3 scan0210 | |
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