| Description | Date | Identifier | |
| Preference for sheet metal covers over cast aluminium covers for Watford Magnetos. | 20th Dec 1926 | Box 70 \ 4 scan0207 | |
| Electrical experimental record sheet for the Watford E06 magneto NO 73972. | 19th Apr 1926 | Box 70 \ 4 scan0208 | |
| Electrical experimental record sheet for a Watford E06 magneto, number 85253. | 19th Apr 1926 | Box 70 \ 4 scan0209 | |
| Experimental record sheet for a Watford E06 Magneto, serial number 89458, tracking its testing and usage. | 10th Jan 1927 | Box 70 \ 4 scan0210 | |
| Letter to Messrs. North & Sons Ltd. regarding a revised specification for a 6-Cylinder Magneto for the 40/50 HP Car. | 27th Oct 1927 | Box 70 \ 4 scan0211 | |
| Watford Magneto with an enclosed armature tunnel. | 8th May 1925 | Box 70 \ 4 scan0212 | |
| The noise testing of a Watford E06 magneto with an enclosed armature tunnel. | 17th Dec 1926 | Box 70 \ 4 scan0213 | |
| Instructions for reducing magneto noise by testing different cams and materials on an experimental chassis. | 29th Jun 1920 | Box 70 \ 4 scan0214 | |
| Fitting an experimental Watford E06 magneto with a silence modification to chassis 10-EX. | 17th Dec 1926 | Box 70 \ 4 scan0215 | |
| Return of modified parts and fitting of standard parts for three EO6 Type Watford Magnetos. | 10th Jan 1927 | Box 70 \ 4 scan0216 | |
| Production and testing of Watford magnetos with enclosed armature tunnels and all-bakelite gears. | 19th Feb 1927 | Box 70 \ 4 scan0217 | |
| Outlining a 10,000-mile test plan involving various gear configurations for different machines. | 19th Feb 1927 | Box 70 \ 4 scan0218 | |
| The noise level of a Watford E06 Magneto No. 94201 compared to the standard E06 model. | 17th Dec 1926 | Box 70 \ 4 scan0219 | |
| Receipt of four Watford EO6 magnetos and considerations for their experimental modification. | 23th Mar 1927 | Box 70 \ 4 scan0220 | |
| Four EO.6 Type Watford Magnetos with enclosed armature tunnels received from North & Sons Ltd. | 23th Mar 1927 | Box 70 \ 4 scan0221 | |
| Letter from a supplier regarding modifications and testing of magnetos with bakelite versus aluminium wheels. | 22th Mar 1927 | Box 70 \ 4 scan0222 | |
| Trial of four special Watford magnetos for quietness. | 24th Mar 1927 | Box 70 \ 4 scan0223 | |
| Material choice for the gears and armature tunnel of a Watford E.O.6. magneto. | 25th Mar 1927 | Box 70 \ 4 scan0224 | |
| Tests on the Type Watford Magneto with enclosed Armature Tunnels. | 25th Mar 1927 | Box 70 \ 4 scan0225 | |
| Follow-up memo requesting a report on the Watford EO6 type magneto with an enclosed armature tunnel. | 25th Apr 1927 | Box 70 \ 4 scan0226 | |
| Test report on Watford EO.6 Type Magnetos, detailing a failure during high-speed testing. | 26th Apr 1927 | Box 70 \ 4 scan0227 | |
| Preliminary test report on the Watford EO.6 Type Magneto with an enclosed armature tunnel. | 26th Apr 1927 | Box 70 \ 4 scan0228 | |
| The return of two noisy Watford EO.6 type magnetos following testing and a phone conversation. | 27th Apr 1927 | Box 70 \ 4 scan0229 | |
| Investigation report on noisy and misfiring issues in two Watford E.O.6 magnetos. | 2nd May 1927 | Box 70 \ 4 scan0230 | |
| Collection of two Watford EO6 magnetos by a Mr. North. | 3rd May 1927 | Box 70 \ 4 scan0231 | |
| Test report on two Watford EO.6 magnetos finding them no better than the current standard. | 18th May 1927 | Box 70 \ 4 scan0232 | |
| Return of Watford E0.6 Magnetos with enclosed armature tunnels. | 20th May 1927 | Box 70 \ 4 scan0233 | |
| The return and replacement of Watford EC6 magnetos. | 20th May 1927 | Box 70 \ 4 scan0234 | |
| Electrical experimental record sheet for a Watford E06 magneto, number 85836. | 19th Apr 1926 | Box 70 \ 4 scan0235 | |
| Electrical experimental record sheet for a Watford E06 magneto, number 94201. | 26th Nov 1926 | Box 70 \ 4 scan0236 | |
| From Mr. Royce regarding the decision to start studying body design at Derby, including proposals for a body for the 20 HP Chassis. | 31th Oct 1919 | Box 71 \ 1 scan0001 | |
| Telephone memo from Mr. Johnson requesting a more detailed memo from Mr. Hives on the fitting of carriage bodies to chassis. | 31th Oct 1919 | Box 71 \ 1 scan0002 | |
| Extract from a report detailing tests and opinions on chassis and body components. | 17th Jul 1920 | Box 71 \ 1 scan0003 | |
| Extract from a memo regarding future seating proportions for a new chassis and trials car. | 17th Jul 1920 | Box 71 \ 1 scan0004 | |
| Notes following a visit to West Wittering regarding design issues with the switchbox, battery, starter, primer, and bodywork. | 1st Jul 1920 | Box 71 \ 1 scan0005 | |
| Meeting notes discussing bodywork joints, steering differences, wheel wear issues, and road spring testing. | 22th Jul 1920 | Box 71 \ 1 scan0006 | |
| Potential use and suitability of Morgan bodies for cars. | 5th Nov 1920 | Box 71 \ 1 scan0007 | |
| Letter from a carriage builder declining an enquiry for a 2-seater light body. | 7th Feb 1921 | Box 71 \ 1 scan0008 | |
| Comparing the excellence of custom-built motor car bodies in the U.S.A. to English counterparts. | 23th Mar 1921 | Box 71 \ 1 scan0009 | |
| Allocation of various chassis to coachbuilders like Barkers and Park Ward's for fitting with test bodies. | 10th Oct 1923 | Box 71 \ 1 scan0010 | |
| The allocation and fitting of Ten Thousand Mile Test Bodies to various chassis. | 12th Oct 1923 | Box 71 \ 1 scan0011 | |
| Steering requirements and chassis allocation for test car bodies. | 15th Oct 1923 | Box 71 \ 1 scan0012 | |
| Confirming the re-allocation of a chassis for a Ten Thousand Mile Test Body. | 15th Oct 1923 | Box 71 \ 1 scan0013 | |
| Status and allocation of five test car bodies for specific chassis numbers. | 17th Oct 1923 | Box 71 \ 1 scan0014 | |
| Finishing requirements and promised dates for several vehicle test bodies. | 20th Oct 1923 | Box 71 \ 1 scan0015 | |
| Letter confirming a 40/50 HP car, chassis 44-PK, has been received for storage. | 23th Nov 1923 | Box 71 \ 1 scan0016 | |
| Instruction to Messrs. Sanderson & Holmes Ltd. to carry out work on car 48-PK as per an attached estimate. | 23th Nov 1923 | Box 71 \ 1 scan0017 | |
| Instruction to Messrs. Sanderson & Holmes to carry out work on a car as per an attached estimate. | 30th Jan 1924 | Box 71 \ 1 scan0018 | |
| Instruction to Messrs. Sanderson & Holmes Ltd. to carry out work on chassis 93-NK Cabriolet as per an attached estimate. | 27th Feb 1924 | Box 71 \ 1 scan0019 | |
| Internal order instructing Messrs. Sanderson & Holmes Ltd. to carry out work on vehicle 46-PK based on an attached estimate. | 29th Feb 1924 | Box 71 \ 1 scan0020 | |
| Instruction to Messrs. Sanderson & Holmes Ltd. to carry out work based on an attached estimate. | 3rd Mar 1924 | Box 71 \ 1 scan0021 | |
| Car with an EAC engine being prepared for a trial, asking for a body preference between a Cabriolet or open touring. | 1st May 1924 | Box 71 \ 1 scan0022 | |
| Modifications to the frame width and track to accommodate body building and balloon tyres. | 20th May 1924 | Box 71 \ 1 scan0023 | |
| Instruction to Messrs. Sanderson & Holmes to carry out work on car 93-NK as per the attached estimate. | 23th May 1924 | Box 71 \ 1 scan0024 | |
| Instruction to Messrs. Sanderson & Holmes Ltd. to carry out work on car 46-PK as per an attached estimate. | 27th May 1924 | Box 71 \ 1 scan0025 | |
| Authorising work to be carried out on car 98-NK by Messrs. Sanderson & Holmes. | 25th Jun 1924 | Box 71 \ 1 scan0026 | |
| Instruction memo to proceed with work on car 98-NK as per an attached estimate. | 27th Jun 1924 | Box 71 \ 1 scan0027 | |
| Query regarding a car inspection at Barkers following a 10,000-mile test in France. | 27th Jun 1924 | Box 71 \ 1 scan0028 | |
| Two different body styles for a sports touring car. | 14th Jul 1924 | Box 71 \ 1 scan0029 | |
| Instruction to Messrs. Sanderson & Holmes Ltd. to carry out work on car 44-PK as per an attached estimate. | 15th Jul 1924 | Box 71 \ 1 scan0030 | |
| Authorizing work on car 98-NK by Sanderson & Holmes as per an attached estimate. | 18th Jul 1924 | Box 71 \ 1 scan0031 | |
| Preference for a 4-seater Sports Touring Car and a critique of a mock-up by the coachbuilder Barkers. | 18th Jul 1924 | Box 71 \ 1 scan0032 | |
| Confidential memorandum detailing the requirement for two sample car bodies to test the new EAC.II chassis. | 24th Jul 1924 | Box 71 \ 1 scan0033 | |
| Proposing body styles for the EAC.2 model and discussing radiator cooling capacity. | 25th Jul 1924 | Box 71 \ 1 scan0034 | |
| Blueprints for a Sports Touring Car, including revisions and body style suggestions. | 25th Jul 1924 | Box 71 \ 1 scan0035 | |
| Procurement, testing, and secrecy surrounding bodies for the E.A.C.II chassis. | 28th Jul 1924 | Box 71 \ 1 scan0036 | |
| Instruction memo to authorise work on car 46-PK by Messrs. Sanderson & Holmes Ltd. | 11th Aug 1924 | Box 71 \ 1 scan0037 | |
| Instructing work to be carried out on car 48-PK by Messrs. Sarderson & Holmes Ltd. as per an attached estimate. | 12th Aug 1924 | Box 71 \ 1 scan0038 | |
| Internal instruction to authorise Messrs. Sanderson & Holmes Ltd. to carry out work on car 93-NK as per an attached estimate. | 12th Aug 1924 | Box 71 \ 1 scan0039 | |
| Modifications to the driving seat position and requesting prints of drawing N.sch.1832. | 16th Aug 1924 | Box 71 \ 1 scan0040 | |
| Desirable alterations to the EAC.11 chassis frame for the convenience of fitting bodies and luggage grids. | 20th Aug 1924 | Box 71 \ 1 scan0041 | |
| Query regarding alterations to the chassis frame and bonnet for new speed bodies. | 20th Aug 1924 | Box 71 \ 1 scan0042 | |
| Secret memo discussing bodywork options and coachbuilders for car chassis E.A.C.II. | 21th Aug 1924 | Box 71 \ 1 scan0043 | |
| The quality and lead time for car bodies. | 29th Aug 1924 | Box 71 \ 1 scan0044 | |
| Secret memo discussing the order of an EAC.2 chassis with a Young & Co. body for Mr. Royce's personal use. | 29th Aug 1924 | Box 71 \ 1 scan0045 | |
| Secret memo discussing the unsatisfactory bodies on experimental cars and proposing new methods for their design and construction. | 29th Aug 1924 | Box 71 \ 1 scan0046 | |
| Instruction memo to Messrs. Sanderson & Holmes Ltd. to carry out work on car 48-PK. | 30th Aug 1924 | Box 71 \ 1 scan0047 | |
| Secret memo discussing options for obtaining bodies for the experimental EAC.2 chassis from coachbuilders. | 1st Sep 1924 | Box 71 \ 1 scan0048 | |
| Continuation of a discussion about suggestions for car body production and finishing. | 5th Sep 1924 | Box 71 \ 1 scan0049 | |
| Secret memo regarding the arrangement for a dummy chassis (EAC.II) to fit a new sports body. | 5th Sep 1924 | Box 71 \ 1 scan0050 | |
| Secret internal memo regarding the modification of a sports body, including prints and specifications from Barkers. | 1st Sep 1924 | Box 71 \ 1 scan0051 | |
| Secret memo regarding the purchase of a second sports body from Barkers. | 9th Sep 1924 | Box 71 \ 1 scan0052 | |
| Design specifications for a sports body, covering doors, paint, upholstery, footboards, and ventilators. | 11th Sep 1924 | Box 71 \ 1 scan0053 | |
| Continued correspondence regarding car body specifications for ventilators, floorboards and windscreens. | 13th Sep 1924 | Box 71 \ 1 scan0054 | |
| Questioning the fitment of a car body on an experimental chassis. | 13th Sep 1924 | Box 71 \ 1 scan0055 | |
| Secret internal memorandum regarding the procurement of six bodies for a chassis. | 15th Sep 1924 | Box 71 \ 1 scan0056 | |
| Secret memorandum recommending covered bodies for the experimental EAC.11 cars, intended to replace the 40/50 HP model. | 18th Sep 1924 | Box 71 \ 1 scan0057 | |
| Secret internal memo regarding the production schedule for E.A.C.II chassis and bodies for the Eastern Armoured Car project. | 18th Sep 1924 | Box 71 \ 1 scan0058 | |
| Secret memo regarding the requirement for W.W. to approve or design bodies for experimental cars, specifically EAC.11. | 19th Sep 1924 | Box 71 \ 1 scan0059 | |
| Secret internal memorandum regarding a meeting to discuss boat and sports body designs. | 22th Sep 1924 | Box 71 \ 1 scan0060 | |
| Secret internal memo discussing the ordering, design, and mounting of car bodies. | 22th Sep 1924 | Box 71 \ 1 scan0061 | |
| Dispatch options and schedule for a dummy chassis required for EAC.11 bodies. | 22th Sep 1924 | Box 71 \ 1 scan0062 | |
| Secret memo regarding the design criticism for bodies ordered for experimental purposes, specifically for EAC.11. | 22th Sep 1924 | Box 71 \ 1 scan0063 | |
| Telegram from Evernden regarding the readiness of an E.A.C.2 body and a mockup at Barkers. | 22th Sep 1925 | Box 71 \ 1 scan0064 | |
| Secret internal memo discussing a delay with a mock-up chassis and proposing a solution. | 22th Sep 1924 | Box 71 \ 1 scan0065 | |
| Delivery options for a dummy chassis required for EAC 11 bodies. | 22th Sep 1924 | Box 71 \ 1 scan0066 | |
| Secret internal memo discussing the requirement for a covered body for an EAC.11 experimental car. | 24th Sep 1924 | Box 71 \ 1 scan0067 | |
| Secret internal memo regarding the despatch of a dummy chassis mock-up to coachbuilder Barkers for body work. | 25th Sep 1924 | Box 71 \ 1 scan0068 | |
| Secret memo discussing options for an enclosed car body for a director's use. | 26th Sep 1924 | Box 71 \ 1 scan0069 | |
| Secret memorandum outlining colour and upholstery suggestions for two batches of sports bodies. | 27th Sep 1924 | Box 71 \ 1 scan0070 | |
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