| Description | Date | Identifier | |
| Instruction memo to Messrs. Sanderson & Holmes Ltd. to carry out work on car 48-PK. | 29th Sep 1924 | Box 71 \ 1 scan0071 | |
| The phased dispatch of a Dummy EAC.11 chassis and its components to Messrs. Barkers. | 30th Sep 1924 | Box 71 \ 1 scan0072 | |
| Secret memo regarding two 40/50 HP cars with EAC engines, a mock-up chassis for a coachbuilder, and concerns about maintaining secrecy. | 1st Oct 1924 | Box 71 \ 1 scan0073 | |
| The dispatch of a dummy chassis to Barkers for body mounting and discussion of details. | 2nd Oct 1924 | Box 71 \ 1 scan0074 | |
| Secrecy and handling of EAC.11 sports bodies being made by Barkers. | 1st Oct 1924 | Box 71 \ 1 scan0075 | |
| Strategy for manufacturing and announcing the EAC.II enclosed body, considering existing stock and body style suitability. | 1st Oct 1924 | Box 71 \ 1 scan0076 | |
| Secret memo discussing the challenges of building a car body discreetly and details about a radiator mock-up. | 4th Oct 1924 | Box 71 \ 1 scan0077 | |
| Secret memo discussing suggestions for procuring a suitable body for the EAC.2 chassis. | 1st Oct 1924 | Box 71 \ 1 scan0078 | |
| Specifications for a closed body, steering, and wings for various chassis models. | 13th Oct 1924 | Box 71 \ 1 scan0079 | |
| Secret memo discussing the logistics of fitting a radiator and bonnet to a chassis for examination, weighing options to avoid suspicion. | 13th Oct 1924 | Box 71 \ 1 scan0080 | |
| Secret memo confirming arrangements for building the first three Sports Model bodies at Barkers. | 13th Oct 1924 | Box 71 \ 1 scan0081 | |
| Bodywork options for an experimental car, model E.A.C.II, and the logistics of using a dummy for visualization. | 14th Oct 1924 | Box 71 \ 1 scan0082 | |
| The value of a sub-frame for reducing body noises on a 20 HP car. | 18th Oct 1924 | Box 71 \ 1 scan0083 | |
| Design and fitting of an Enclosed Limousine body (EACII) onto a 40/50 C Type chassis. | 18th Oct 1924 | Box 71 \ 1 scan0084 | |
| 'Barker job', the design of a wide dash, and the use of an underframe for closed bodies. | 23th Oct 1924 | Box 71 \ 1 scan0085 | |
| Options for fitting a covered body to the EAC.II chassis for testing purposes. | 23th Oct 1924 | Box 71 \ 1 scan0086 | |
| Secret internal memo discussing the development and logistics for car bodies, including an enclosed limousine and a sports model. | 24th Oct 1924 | Box 71 \ 1 scan0087 | |
| Fitting of a covered saloon body with a sub-frame to model EAC.11. | 24th Oct 1924 | Box 71 \ 1 scan0088 | |
| Car body fittings, camshaft performance, and gear ratio specifications for various models. | 29th Oct 1924 | Box 71 \ 1 scan0089 | |
| Instruction to Messrs. Sanderson & Holmes Ltd. to carry out work on car 93-NK as per the attached estimate. | 30th Oct 1924 | Box 71 \ 1 scan0090 | |
| Secret internal memo confirming a suggested car body production programme and schedule. | 1st Nov 1924 | Box 71 \ 1 scan0091 | |
| Secret memorandum confirming details for the body sub-frame of model EAC.11. | 11th Nov 1924 | Box 71 \ 1 scan0092 | |
| Secret memo discussing the suitability of covered car bodies from Barker and Hooper for testing. | 14th Nov 1924 | Box 71 \ 1 scan0093 | |
| Completion of sub-frame designs and coordination with coachbuilders Barkers and Hoopers. | 18th Nov 1924 | Box 71 \ 1 scan0094 | |
| Arrangements to see a Sports body and to provide Barkers with a live chassis. | 19th Nov 1924 | Box 71 \ 1 scan0095 | |
| The progress on a sports body by Barkers and its transport to Lillie Hall for further fitting. | 19th Nov 1924 | Box 71 \ 1 scan0096 | |
| Secret memo discussing the movement of a dummy chassis and the unsuitability of a 'live' chassis. | 19th Nov 1924 | Box 71 \ 1 scan0097 | |
| Internal instruction memo for work to be carried out on car 44-PK by Messrs. Sanderson & Holmes Ltd. | 5th Dec 1924 | Box 71 \ 1 scan0098 | |
| Internal instruction to authorise Sanderson & Holmes Ltd. to carry out work on car 44-PK. | 5th Dec 1924 | Box 71 \ 1 scan0099 | |
| Secret memo regarding chassis modifications for a sub-frame and a proposal to test a new Celluluse painting system. | 13th Dec 1924 | Box 71 \ 1 scan0100 | |
| Delegating responsibility for coachbuilders and experimental car bodies to DA/EV. | 15th Dec 1924 | Box 71 \ 1 scan0101 | |
| Supplementary frame, dashboard specifications for coachbuilders, and painting options. | 16th Dec 1924 | Box 71 \ 1 scan0102 | |
| The readiness of a sub-frame for the EAC and alternative presentation methods to coachbuilders. | 19th Dec 1924 | Box 71 \ 1 scan0103 | |
| Various steering wheel positions and their impact on driver visibility and seating. | 22th Dec 1924 | Box 71 \ 1 scan0104 | |
| Secret internal memo regarding the 'W' Series body subframe, its completion, and coordination with coachbuilders. | 1st Jan 1925 | Box 71 \ 1 scan0105 | |
| Suggesting the creation of a temporary wooden gauge seat to standardize seating position measurements for coachbuilders. | 1st Mar 1925 | Box 71 \ 1 scan0106 | |
| Secret memorandum discussing the 'W' Series body subframe, chassis modifications, and coachbuilder scheduling. | 3rd Jan 1925 | Box 71 \ 1 scan0107 | |
| Driver seating positions and vision on 'EAC' 'V' Series cars. | 1st Jan 1925 | Box 71 \ 1 scan0108 | |
| Page discussing the finalization of correct seating positions. | 23th Jan 1925 | Box 71 \ 1 scan0109 | |
| Internal order to issue instructions for work on car 44-PK as per an attached estimate. | 23th Jan 1925 | Box 71 \ 1 scan0110 | |
| Secret memo discussing a revised body subframe for the 40/50 model, including modifications and orders. | 27th Jan 1925 | Box 71 \ 1 scan0111 | |
| Procurement of car bodies from coachbuilders for underframe experiments on a 40/50 chassis. | 2nd Feb 1925 | Box 71 \ 1 scan0112 | |
| Procuring car bodies from Barkers and proposals for other custom body builds on 40/50 subframes. | 2nd May 1926 | Box 71 \ 1 scan0113 | |
| Five specific modifications for sub-frame bodies on a 40/50 HP chassis. | 25th Feb 1925 | Box 71 \ 1 scan0114 | |
| Instruction memo authorizing work on the 98-NK car chassis by Sanderson & Helmes Ltd. | 26th Feb 1925 | Box 71 \ 1 scan0115 | |
| Secret internal memo discussing the urgent need to progress the design for new side levers and a steel underframe for a 'V' Series car. | 3rd Mar 1925 | Box 71 \ 1 scan0116 | |
| Instruction to authorise work on car 44-PK to be carried out by Messrs. Sanderson & Holmes Ltd. | 17th Mar 1925 | Box 71 \ 1 scan0117 | |
| Scheduling and preparation of chassis for different coachbuilders like Barker and Hooper. | 18th Mar 1925 | Box 71 \ 1 scan0118 | |
| From Hooper & Co. advising the dispatch of a pair of standard front wings for a 40/50.HP car. | 25th Mar 1925 | Box 71 \ 1 scan0119 | |
| Authorising work to be carried out on car 44-PK by Sanderson & Holmes Ltd. | 30th Mar 1925 | Box 71 \ 1 scan0120 | |
| Secret memo discussing the preference for open car bodies over closed bodies for endurance testing. | 30th Mar 1925 | Box 71 \ 1 scan0121 | |
| The blueprint and specifications for a Beatonson all-weather car body. | 6th Apr 1925 | Box 71 \ 1 scan0122 | |
| Secret memo from Hs. requesting chassis specifications for the EAC car for R, noting progress on project 9-PK. | 8th Apr 1925 | Box 71 \ 1 scan0123 | |
| Instruction to Messrs. Sanderson & Holmes Ltd. to carry out work on car 93-NK as per an attached estimate. | 16th Apr 1925 | Box 71 \ 1 scan0124 | |
| Confirming responsibility for experimental work and the standardisation of coachwork features. | 16th Apr 1925 | Box 71 \ 1 scan0125 | |
| Construction of an All-Weather Torpedo (Barker-Beatonson) body for 'R'. | 17th Apr 1925 | Box 71 \ 1 scan0126 | |
| Secret memo discussing delays with chassis 9 PK, coachbuilders, and a body sub-frame experiment for Mr. Royce. | 25th Apr 1925 | Box 71 \ 1 scan0127 | |
| The dispatch of car 9-PK to Messrs. Barkers in Shepherds Bush. | 27th Apr 1925 | Box 71 \ 1 scan0128 | |
| Requesting an update on the sub-frame for Mr. Royce's 40/50 HP car and clarifying tyre specifications. | 29th Apr 1925 | Box 71 \ 1 scan0129 | |
| The removal of an oil tank and the fitting of wheel carriers to chassis 9-PK for subframe experiments. | 15th May 1925 | Box 71 \ 1 scan0130 | |
| The despatch of a body subframe for Mr. Royce's new car to Barkers, Coachbuilders. | 5th May 1925 | Box 71 \ 1 scan0131 | |
| Instruction to Messrs. Sanderson & Holmes Ltd. to carry out work on car 46-PK as per an attached estimate. | 5th May 1925 | Box 71 \ 1 scan0132 | |
| The temporary cancellation of a 'Duco' finished body experiment due to delays with coachbuilders and proposing an alternative. | 11th May 1925 | Box 71 \ 1 scan0133 | |
| Faults with car bodies, particularly the height of back seats and the aesthetic appearance of a Windover body. | 13th May 1925 | Box 71 \ 1 scan0134 | |
| Inspection of a Barker Enclosed Limousine body on chassis 9PK and its potential modifications. | 21th May 1925 | Box 71 \ 1 scan0135 | |
| Requirement for speed models to be built on a short chassis and the status of wing modifications. | 23th Sep 1925 | Box 71 \ 1 scan0136 | |
| Modifications and urgent testing on body subframes for 40/50 and 20 HP chassis. | 10th Jun 1925 | Box 71 \ 1 scan0137 | |
| 8-EX subframe chassis, its specifications, and the plan to fit it with a body from car 9pk. | 15th Jun 1925 | Box 71 \ 1 scan0138 | |
| Internal instruction memo authorising work on a 20 HP car by Sanderson & Holmes Ltd. | 24th Jun 1925 | Box 71 \ 1 scan0139 | |
| Missing cushions for a 40/50 HP Dummy Sports Car. | 24th Jun 1925 | Box 71 \ 1 scan0140 | |
| Delivery of cushions for a 40/50 HP Dummy Sports Car to Messrs. Barkers. | 25th Jun 1925 | Box 71 \ 1 scan0141 | |
| The dispatch of three cushions for a Dummy Sports model chassis. | 26th Jun 1925 | Box 71 \ 1 scan0142 | |
| Query regarding the delivery of cushions to Barker's for a 40/50 HP Dummy Sports Car. | 30th Jun 1925 | Box 71 \ 1 scan0143 | |
| Handover of cushions for a 40/50 HP Dummy Sports Car. | 1st Jul 1925 | Box 71 \ 1 scan0144 | |
| Arguing against mounting a specific experimental body onto a chassis in Derby. | 1st Jul 1925 | Box 71 \ 1 scan0145 | |
| Authorising Messrs. Sanderson & Holmes Ltd. to carry out work on car 9-PK. | 1st Jul 1925 | Box 71 \ 1 scan0146 | |
| Parts related to the experimental limousine chassis 9-PK sent to coachbuilders. | 21th Jul 1925 | Box 71 \ 1 scan0147 | |
| Confidential memorandum discussing the design of sports bodies for the New Phantom model. | 7th Aug 1925 | Box 71 \ 1 scan0148 | |
| Follow-up memo regarding previously sent confidential modifications for a sports car body for model EAC. 2. | 29th Aug 1925 | Box 71 \ 1 scan0149 | |
| Promotional leaflet for the Pytchley Patent Sliding Roof and Pytchley Autocar Co. Ltd. | 1st Oct 1928 | Box 71 \ 1 scan0150 | |
| Promotional leaflet for the Pytchley Sliding Roof Saloon. | 11th Aug 1925 | Box 71 \ 1 scan0151 | |
| Request for a quote sent to a coachbuilder for repairs and modifications to Experimental Car 93-NK. | 11th Aug 1925 | Box 71 \ 1 scan0152 | |
| List of bodywork repairs and re-fitting instructions for a vehicle. | 21th Aug 1925 | Box 71 \ 1 scan0153 | |
| Instruction to Messrs. Sanderson & Holmes Ltd. to carry out work on a car as per an attached estimate. | 21th Aug 1925 | Box 71 \ 1 scan0154 | |
| Instructing for work to be carried out on car 44-PK by Messrs. Sanderson & Holmes Ltd. | 21th Aug 1925 | Box 71 \ 1 scan0155 | |
| Following up on previously sent confidential modifications for a sports car body. | 29th Aug 1925 | Box 71 \ 1 scan0156 | |
| 20HP chassis, Mr. Royce's chassis, the 8-EX car, and the experimental Sports Car. | 11th Sep 1925 | Box 71 \ 1 scan0157 | |
| The chassis, wings, and windscreen for the Sports car. | 11th Sep 1925 | Box 71 \ 1 scan0158 | |
| Removal of experimental features from Mr. Royce's chassis before it is delivered to him. | 18th Sep 1925 | Box 71 \ 1 scan0159 | |
| Instruction to Messrs. Sanderson & Holmes Ltd. to carry out work on car 98-NK as per an attached estimate. | 1st Oct 1925 | Box 71 \ 1 scan0160 | |
| Instruction to Sanderson & Holmes Ltd. to perform work on the 8-EX car per an attached estimate. | 9th Oct 1925 | Box 71 \ 1 scan0161 | |
| Secret memo regarding alterations for a 'Phantom' engine frame for a 10,000-mile trial car and sourcing a Weyman body. | 10th Oct 1925 | Box 71 \ 1 scan0162 | |
| The delivery of Mr. Royce's 7-EX car to Messrs. Barkers. | 14th Oct 1925 | Box 71 \ 1 scan0163 | |
| Instructions for preparing a 'New Phantom' chassis to mount a Weymann body by Mulliner of Chiswick. | 15th Oct 1925 | Box 71 \ 1 scan0164 | |
| Modifications to the Sales 10,000 Miles Test Car (93-NK) for a Weyman body. | 16th Oct 1925 | Box 71 \ 1 scan0165 | |
| Design of car bodies, advocating for lighter, less cramped options and referencing a new tool box design. | 27th Oct 1925 | Box 71 \ 1 scan0166 | |
| Excessive weight of an enclosed body for trial and disapproval of the non-standard smaller steering wheel. | 29th Oct 1925 | Box 71 \ 1 scan0167 | |
| Arrangements with coachbuilder Messrs. Barkers for fitting parts to Mr. Royce's 7-EX car. | 11th Nov 1925 | Box 71 \ 1 scan0168 | |
| Disagreement over the driver's seat cushion height for car 7-EX at Barkers. | 13th Nov 1925 | Box 71 \ 1 scan0169 | |
| Standard steering wheel and seat dimensions, and proposing a trial for a new steering wheel design. | 16th Nov 1925 | Box 71 \ 1 scan0170 | |
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