| Description | Date | Identifier | |
| Test report for an 11-EX New Phantom with a Weymann body. | 29th Jan 1926 | Box 71 \ 3 scan0090 | |
| Test report for the 11-EX New Phantom with a Weymann body, detailing performance and issues. | 30th Jan 1926 | Box 71 \ 3 scan0091 | |
| Test report for the 11-EX New Phantom with a Weymann body. | 31th Jan 1926 | Box 71 \ 3 scan0092 | |
| Test report for the 11-EX New Phantom with a Weymann body. | 1st Feb 1926 | Box 71 \ 3 scan0093 | |
| Investigation into a severe oil leak from the ignition oil relay on car 11-EX during a 10,000-mile trial. | 3rd Feb 1926 | Box 71 \ 3 scan0094 | |
| Fitting of improved front brake dust covers for Chassis No. 11-EX due to muddy road conditions. | 5th Feb 1926 | Box 71 \ 3 scan0095 | |
| Test report for a New Phantom (11-BX) with a Weymann body, detailing running conditions and adjustments. | 8th Feb 1926 | Box 71 \ 3 scan0096 | |
| Test report for the 11-EX New Phantom with a Weymann Body. | 8th Feb 1926 | Box 71 \ 3 scan0097 | |
| Test report for the 11-EX New Phantom with a Weymann body. | 9th Feb 1926 | Box 71 \ 3 scan0098 | |
| Test report for the 11-EX New Phantom with a Weymann body. | 10th Feb 1926 | Box 71 \ 3 scan0099 | |
| Test report for the 11-EX New Phantom with a Weymann body. | 11th Feb 1926 | Box 71 \ 3 scan0100 | |
| Oil leak from the oil relay unit and starter motor failure on Chassis No. 11-EX. | 11th Feb 1926 | Box 71 \ 3 scan0101 | |
| Recent work carried out on Experimental Chassis 11-EX, detailing fixes for oil leaks, starter motor, and electrical faults. | 9th Feb 1926 | Box 71 \ 3 scan0102 | |
| Test report for the 11-EX New Phantom with a Weymann body. | 12th Feb 1926 | Box 71 \ 3 scan0103 | |
| Test report for the 11-EX New Phantom with a Weymann body. | 13th Feb 1926 | Box 71 \ 3 scan0104 | |
| Test report for the 11-EX New Phantom with a Weymann body. | 14th Feb 1926 | Box 71 \ 3 scan0105 | |
| Test report for the 11-EX New Phantom with a Weymann body. | 15th Feb 1926 | Box 71 \ 3 scan0106 | |
| Test report for the 11-EX New Phantom with a Weymann body, detailing mileage and performance. | 18th Feb 1926 | Box 71 \ 3 scan0107 | |
| Test report for the 11-EX New Phantom with a Weymann Body. | 18th Feb 1926 | Box 71 \ 3 scan0108 | |
| Test report for the 11-EX New Phantom with a Weymann body, detailing a journey from London to Folkestone. | 19th Feb 1926 | Box 71 \ 3 scan0109 | |
| Test report for the 11-EX New Phantom with a Weymann body. | 20th Feb 1926 | Box 71 \ 3 scan0110 | |
| Letter detailing a steering wobble issue and tyre pressures found during a road test from Boulogne to Rouen. | 20th Feb 1926 | Box 71 \ 3 scan0111 | |
| Test report for the 11-EX New Phantom with a Weymann body. | 8th Mar 1926 | Box 71 \ 3 scan0112 | |
| Test report for the 11-EX New Phantom with a Weymann body. | 8th Mar 1926 | Box 71 \ 3 scan0113 | |
| Test report for the 11-EX New Phantom with a Weymann body, detailing performance and driver remarks. | 9th Mar 1926 | Box 71 \ 3 scan0114 | |
| Steering wobble and handling issues on car 11-EX after 9,800 miles. | 24th Feb 1926 | Box 71 \ 3 scan0115 | |
| Test report for the 11-EX New Phantom with a Weymann body, detailing a day's run. | 24th Feb 1926 | Box 71 \ 3 scan0116 | |
| Test report for the 11-EX New Phantom with a Weymann body, detailing mileage, fuel consumption, and route notes. | 8th Mar 1926 | Box 71 \ 3 scan0117 | |
| Test report for the 11-EX New Phantom with a Weymann Body. | 26th Feb 1926 | Box 71 \ 3 scan0118 | |
| Test report for the 11-EX New Phantom with a Weymann Body. | 27th Feb 1926 | Box 71 \ 3 scan0119 | |
| Test report for the 11-EX New Phantom with a Weymann body, detailing a road test from Paris to Macon. | 2nd Mar 1926 | Box 71 \ 3 scan0120 | |
| Work order from the Paris branch for repairs to chassis number 11-EX. | 1st Feb 1926 | Box 71 \ 3 scan0121 | |
| Test report for a New Phantom with a Weymann body. | 2nd Mar 1926 | Box 71 \ 3 scan0122 | |
| Test report for the New Phantom with a Weymann body, chassis 11-EX. | 4th Mar 1926 | Box 71 \ 3 scan0123 | |
| The modification of bonnet fasteners for car 11-EX to resolve an issue with body clips. | 1st Mar 1926 | Box 71 \ 3 scan0124 | |
| Test report for the 11-EX New Phantom with a Weymann body. | 7th Mar 1926 | Box 71 \ 3 scan0125 | |
| Test report for an 11-EX New Phantom with a Weymann Body, detailing a single day's run. | 8th Mar 1926 | Box 71 \ 3 scan0126 | |
| Test report for the 11-EX New Phantom with a Weymann body. | 9th Mar 1926 | Box 71 \ 3 scan0127 | |
| Test report for the 11-EX New Phantom with a Weymann body. | 12th Mar 1926 | Box 71 \ 3 scan0128 | |
| Test report for the 11-EX New Phantom with a Weymann body. | 11th Mar 1926 | Box 71 \ 3 scan0129 | |
| Test report for an 11-EX New Phantom with a Weymann body. | 12th Mar 1926 | Box 71 \ 3 scan0130 | |
| Test report for an 11-MX New Phantom with a Weymann body. | 14th Mar 1926 | Box 71 \ 3 scan0131 | |
| Test report for the 11-EX New Phantom with a Weymann body. | 15th Mar 1926 | Box 71 \ 3 scan0132 | |
| Test report for the 11-EX New Phantom with a Weymann body. | 16th Mar 1926 | Box 71 \ 3 scan0133 | |
| Test report for an 11-EX New Phantom with a Weymann Body. | 17th Mar 1926 | Box 71 \ 3 scan0134 | |
| Test report for a New Phantom with a Weymann body, detailing a road test from Grenoble to Grasse. | 18th Mar 1926 | Box 71 \ 3 scan0135 | |
| Test report for the 11-EX New Phantom with a Weymann body. | 21th Mar 1926 | Box 71 \ 3 scan0136 | |
| Test report for the 11-EX New Phantom with a Weymann Body. | 22th Mar 1926 | Box 71 \ 3 scan0137 | |
| Test report for the 11-EX New Phantom with a Weymann body. | 23th Mar 1926 | Box 71 \ 3 scan0138 | |
| Persistent unsteadiness problems with Smith speedometers. | 23th Mar 1926 | Box 71 \ 3 scan0139 | |
| Test report for an 11-EX New Phantom with a Weymann body. | 24th Mar 1926 | Box 71 \ 3 scan0140 | |
| Test report for an 11-HA New Phantom with a Weymann body, detailing a road test in Italy. | 25th Mar 1926 | Box 71 \ 3 scan0141 | |
| Test report for the 11-EX New Phantom with a Weymann body, detailing a run through Italy. | 27th Mar 1926 | Box 71 \ 3 scan0142 | |
| Test report for the 11-EX New Phantom with a Weymann body. | 28th Mar 1926 | Box 71 \ 3 scan0143 | |
| Test report for a New Phantom with a Weymann body. | 29th Mar 1926 | Box 71 \ 3 scan0144 | |
| Test report for the 11-EX New Phantom with a Weymann body. | 30th Mar 1926 | Box 71 \ 3 scan0145 | |
| Test report for the New Phantom, chassis 11-RX, with a Weymann body. | 31th Mar 1926 | Box 71 \ 3 scan0146 | |
| Test report for the 11-EX New Phantom with a Weymann body, detailing a run from Florence to Verona. | 1st Apr 1926 | Box 71 \ 3 scan0147 | |
| Test report for an 11-EX New Phantom with a Weymann body. | 3rd Apr 1926 | Box 71 \ 3 scan0148 | |
| Test report for the 11-EX New Phantom with a Weymann body. | 4th Apr 1926 | Box 71 \ 3 scan0149 | |
| Test report for the 11-EX New Phantom with a Weymann body, detailing mileage, fuel consumption, and road conditions. | 5th Apr 1926 | Box 71 \ 3 scan0150 | |
| Unsatisfactory battery box which has corroded and broken. | 4th Apr 1926 | Box 71 \ 3 scan0151 | |
| Request for the return of an experimental sandwich battery from chassis 11-EX for comparative analysis. | 24th Apr 1926 | Box 71 \ 3 scan0152 | |
| Short typed memo regarding an arrival at Derby to test cars. | 28th Apr 1926 | Box 71 \ 3 scan0153 | |
| The condition of the battery and its various cells for Experimental Chassis No. 11-EX. | 28th Apr 1926 | Box 71 \ 3 scan0154 | |
| The appropriation, reconditioning, and delivery schedule for chassis No. 11-EX for the Chairman's use. | 3rd May 1926 | Box 71 \ 3 scan0155 | |
| Work stoppage at Derby and the status of the experimental chassis 11-EX. | 7th May 1926 | Box 71 \ 3 scan0156 | |
| Inspection report detailing the general condition and weight of an 11 E.X. chassis with a Weyman Limousine body upon its return to the works. | 13th May 1926 | Box 71 \ 3 scan0157 | |
| Vehicle performance report detailing issues with steering, brakes, and speedometer accuracy. | 13th May 1926 | Box 71 \ 3 scan0158 | |
| Vehicle condition report detailing faults with the suspension, axle, engine, and wheels. | 18th May 1936 | Box 71 \ 3 scan0159 | |
| Oil consumption road test for car 11 EX on the Oxford and return route. | 18th May 1936 | Box 71 \ 3 scan0160 | |
| Graph plotting oil flow through bearings against engine RPM for car 11 EX. | 14th May 1926 | Box 71 \ 3 scan0161 | |
| The dismantling schedule and work required for Chassis No. 11-EX. | 17th May 1926 | Box 71 \ 3 scan0162 | |
| Instructions for the stripping, examination, and body work modifications for Chassis No. 11-EX for the Chairman. | 17th May 1926 | Box 71 \ 3 scan0163 | |
| Urgent request for a full list of experimental parts fitted on chassis No. 11-EX for use by the Chairman. | 18th May 1926 | Box 71 \ 3 scan0164 | |
| Faults discovered during the 10,000-mile test of the 11-EX Sales car. | 19th May 1926 | Box 71 \ 3 scan0165 | |
| List of vehicle faults and issues observed during an inspection. | 19th May 1926 | Box 71 \ 3 scan0166 | |
| Standardisation of parts on chassis No. 11-EX, which is intended for the Chairman, and includes a copy of a telegram on the matter. | 20th May 1926 | Box 71 \ 3 scan0167 | |
| Requesting an urgent inspection of the dismantled chassis No. 11-EX to expedite its rebuilding. | 21th May 1926 | Box 71 \ 3 scan0168 | |
| Non-standard parts on Chassis No. 11-EX and requesting their replacement. | 26th May 1926 | Box 71 \ 3 scan0169 | |
| The improvement of modified bonnet clips after testing on the 11-EX car. | 14th Jun 1926 | Box 71 \ 3 scan0170 | |
| Modification and improvement of bonnet clips for the 11-EX car. | 14th Jun 1926 | Box 71 \ 3 scan0171 | |
| The premature delivery of the 11-EX experimental car and a required modification to its change gear mechanism. | 14th Jun 1926 | Box 71 \ 3 scan0172 | |
| The headlamps on Chassis No. 11-EX, requesting the old lamps be forwarded to H.J. Mulliner & Co. Ltd. | 15th Jun 1926 | Box 71 \ 3 scan0173 | |
| Urgent follow-up regarding the non-receipt of headlamps with Anti-dazzle control for Chassis No. 11-EX. | 24th Jun 1926 | Box 71 \ 3 scan0174 | |
| Confirming the urgent dispatch of lamps for the 11-EX chassis 10,000 miles trials. | 25th Jun 1926 | Box 71 \ 3 scan0175 | |
| Internal memorandum from BJ to Hs concerning an enclosed document about important points. | 12th Aug 1926 | Box 71 \ 3 scan0176 | |
| Various faults found during a road test of car 11-EX, including issues with heating, ignition, brakes, clutch, steering and the fuel system. | 12th Aug 1926 | Box 71 \ 3 scan0177 | |
| Air lock issue with the reserve fuel tank on the 11-EX car, and the correct procedure for starting after running out of petrol. | 1st Aug 1926 | Box 71 \ 3 scan0178 | |
| Experiments on starting issues with chassis 11-EX after the main petrol tank runs empty, referencing the Autovac system and throttle position. | 26th Aug 1926 | Box 71 \ 3 scan0179 | |
| Specification list for building up the EAC.I. 'D' type chassis, number 9.EX. | 13th Oct 1925 | Box 71 \ 3 scan0180 | |
| List of specifications and modifications for various vehicle components, including the gearbox, pedals, and starter motor. | 14th Oct 1925 | Box 71 \ 3 scan0181 | |
| Building up an experimental chassis with a focus on the rear axle control, using standard 'V' series parts. | 14th Oct 1925 | Box 71 \ 3 scan0182 | |
| The specifications for building up 'D' type chassis No. 9-EX. | 14th Oct 1925 | Box 71 \ 3 scan0183 | |
| Outlining specifications for various vehicle components, page 2. | 14th Oct 1925 | Box 71 \ 3 scan0184 | |
| Shift from 3-speed to 4-speed gearboxes due to buyer preference and plans to apply the change to the 40/50 HP model. | 19th Oct 1925 | Box 71 \ 3 scan0185 | |
| Car on test, the fitting of a temporary body, and a proposed visit. | 11th Nov 1925 | Box 71 \ 3 scan0186 | |
| New chassis, its features, and improvements over previous models. | 24th Nov 1925 | Box 71 \ 3 scan0187 | |
| From 'R' to 'Hs' discussing car speeds at Brooklands, comparing a 1911 car's performance to a current one and suggesting a test for car EAC.1. | 24th Nov 1925 | Box 71 \ 3 scan0188 | |
| Modifications to spare wheel placement, petrol tank filler, and rear spring arrangement. | 25th Nov 1925 | Box 71 \ 3 scan0189 | |
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