| Description | Date | Identifier | |
| Letter discussing the possibility of a cheaper post-war 10 HP model, seeking sales advice on a 2-door vs 4-door configuration. | 21th Sep 1940 | Box 109 \ 2 scan0062 | |
| Body programme and drawings for the Myth and Silver Dawn models. | 24th Sep 1940 | Box 109 \ 2 scan0063 | |
| Dashboard arrangement and components for the 'Myth' vehicle. | 4th Oct 1940 | Box 109 \ 2 scan0064 | |
| The layout of the frame, transmission, and coachwork for the 'Myth' vehicle. | 9th Oct 1940 | Box 109 \ 2 scan0065 | |
| Bumper designs for Bentley type fronts. | 16th May 1939 | Box 109 \ 2 scan0066 | |
| Design drawing showing the side elevation of a car body and underframe. | 22th Sep 1938 | Box 109 \ 2 scan0067 | |
| Design modifications for the dashboard, oil cleaner, and air silencer to accommodate the M.40 and BM.40 models. | 9th Oct 1940 | Box 109 \ 2 scan0068 | |
| Design and clearance issues of a dashboard pressing for the M.40 and BM.40 engines. | 9th Oct 1940 | Box 109 \ 2 scan0069 | |
| Decision to remove the 'Spinney' ventilator from the experimental 'Myth' model. | 14th Oct 1940 | Box 109 \ 2 scan0070 | |
| Confidential memorandum discussing the design progress and challenges of the 'Myth' car project, specifically regarding the frame and body structure. | 23th Oct 1940 | Box 109 \ 2 scan0071 | |
| Confirming the handover of drawing PL.374 for the Myth Front Wings and requesting prints. | 24th Oct 1940 | Box 109 \ 2 scan0072 | |
| Design observations on a Chevrolet, suggesting a door-activated switch light for a new project. | 28th Oct 1940 | Box 109 \ 2 scan0073 | |
| Letter to Messrs. TWINING confirming a telephone conversation about a visit concerning a model car. | 1st Nov 1940 | Box 109 \ 2 scan0074 | |
| List of materials required to construct one car body, including wings, bonnet, and radiator shell. | 2nd Nov 1940 | Box 109 \ 2 scan0075 | |
| List specifying quantities and dimensions of deep drawing auto-body steel sheets required for the 'MYTH' project. | 4th Nov 1940 | Box 109 \ 2 scan0076 | |
| Outlining points of agreement on the design of 'Myth' coachwork. | 4th Nov 1940 | Box 109 \ 2 scan0077 | |
| Page 2 of a memo detailing specifications for the 'Myth Model', including wheel and tyre options. | 4th Nov 1940 | Box 109 \ 2 scan0078 | |
| Letter to Messrs. Twining Ltd. confirming arrangements and specifications for the construction of a model car. | 6th Nov 1940 | Box 109 \ 2 scan0079 | |
| Requesting up-to-date drawings for the 'Myth' body and a section view for a side lever mechanism. | 7th Nov 1940 | Box 109 \ 2 scan0080 | |
| Front wing clearances for the 'Myth' model, considering different tyre sizes and wheel positions. | 7th Nov 1940 | Box 109 \ 2 scan0081 | |
| Letter to Messrs Twining Ltd regarding the provision of sections for a Model Four Light Body. | 7th Nov 1940 | Box 109 \ 2 scan0082 | |
| Prints of a vertical section and plan of the Myth body. | 11th Nov 1940 | Box 109 \ 2 scan0083 | |
| From Rm/EAG to Ev accompanying a blueprint of the Myth with additions. | 18th Nov 1940 | Box 109 \ 2 scan0084 | |
| Letter to Wilmot-Breeden Ltd. regarding the design of a slam lock with a spring-loaded dovetail. | 21th Nov 1940 | Box 109 \ 2 scan0085 | |
| Confirming the dispatch of a blueprint as arranged. | 21th Nov 1940 | Box 109 \ 2 scan0086 | |
| Letter to Messrs. Wilmot-Breeden Ltd. regarding a blueprint for Myth body moulding. | 25th Nov 1940 | Box 109 \ 2 scan0087 | |
| Clearance of an invoice for sliding roof fittings supplied by Weathershields Ltd. | 25th Nov 1940 | Box 109 \ 2 scan0088 | |
| Letter to Wilmot-Breeden Ltd. sending a print (RB.12003) showing a section of the rear door of the Myth. | 27th Nov 1940 | Box 109 \ 2 scan0089 | |
| Letter to Messrs. Twining Ltd regarding a blueprint showing the inside line of the doors. | 28th Nov 1940 | Box 109 \ 2 scan0090 | |
| Design, components, and layout of the 'Myth' dashboard. | 1st Dec 1938 | Box 109 \ 2 scan0091 | |
| Letter to the Pressed Steel Company seeking advice on body design, specifically regarding joints and door openings. | 3rd Dec 1940 | Box 109 \ 2 scan0092 | |
| Letter to Wilmot-Breeden Ltd. regarding the suitability of a double-action lock for the 'Myth' body. | 5th Dec 1940 | Box 109 \ 2 scan0093 | |
| Letter to Twining Models regarding design modifications and queries for the 'Myth Model'. | 6th Dec 1940 | Box 109 \ 2 scan0094 | |
| Letter regarding a blueprint for head and pass lamps for the Myth model. | 6th Dec 1940 | Box 109 \ 2 scan0095 | |
| Chromium plating of a zinc sheet to produce a 1/4 scale model of the Myth radiator grill. | 11th Dec 1940 | Box 109 \ 2 scan0096 | |
| Letter to Twining Models outlining specifications for a model, including details on badges, steering wheel finish, and headlamps. | 11th Dec 1940 | Box 109 \ 2 scan0097 | |
| Secret internal memo regarding the model maker's drawing for the 'Myth' rear bumpers. | 11th Dec 1940 | Box 109 \ 2 scan0098 | |
| Letter to 'Triplex' Safety Glass Co. regarding a sample back light and its potential for two-directional bending for a sample body. | 12th Dec 1940 | Box 109 \ 2 scan0099 | |
| Letter to E.H. Clifton of Messrs. Twining Models confirming the dispatch of parts for head and pass-lamps. | 16th Dec 1940 | Box 109 \ 2 scan0100 | |
| Urgent request to dispatch two pieces of brass bar to Twining Models in Northampton. | 16th Dec 1940 | Box 109 \ 2 scan0101 | |
| Confirming materials for Twining Models are not chargeable and requesting dispatch procedures. | 18th Dec 1940 | Box 109 \ 2 scan0102 | |
| Quality and appearance of sun visor fittings from Wilmot Breeden. | 19th Dec 1940 | Box 109 \ 2 scan0103 | |
| Letter to Twining Models regarding blueprints for a bumper and lamp bracket. | 19th Dec 1940 | Box 109 \ 2 scan0104 | |
| Letter to coachbuilder Park Ward & Co., Ltd. regarding the supply of prints for the 'Myth Body' project. | 19th Dec 1940 | Box 109 \ 2 scan0105 | |
| Responding to concerns about sun visor fittings, suggesting they will be satisfactory if made thicker and covered more carefully. | 20th Dec 1940 | Box 109 \ 2 scan0106 | |
| Personal letter chasing an outstanding order for eight pieces of frame steel, suggesting a way to bypass permit issues. | 20th Dec 1940 | Box 109 \ 2 scan0107 | |
| Letter to Wilmot-Breeden Ltd. discussing locks, a petrol filler lid, and a method for bending stainless steel glass channelling. | 23th Dec 1940 | Box 109 \ 2 scan0108 | |
| Letter to Messrs. Twining Models regarding a corrected drawing and a request for model inspection. | 27th Dec 1940 | Box 109 \ 2 scan0109 | |
| Letter to W.A. Robotham regarding the arrangement of eight strips without a license, by classifying them as samples. | 31th Dec 1940 | Box 109 \ 2 scan0110 | |
| Letter to Twining Models regarding the 'Myth' model, discussing the instrument board print, completion deadline, and chromium plating. | 31th Dec 1940 | Box 109 \ 2 scan0111 | |
| Secret letter to Park Ward & Co. providing a blueprint and material specifications for the Myth Chassis frame. | 2nd Jan 1941 | Box 109 \ 2 scan0112 | |
| Letter from a steel supplier regarding an inability to meet the specified carbon content for an order. | 2nd Jan 1941 | Box 109 \ 2 scan0113 | |
| Letter to R. Summers, Esq., thanking him for a letter and discussing steel strips and post-war products. | 3rd Jan 1941 | Box 109 \ 2 scan0114 | |
| Letter to Messrs John Summers & Sons Ltd., agreeing to an order for carbon sheet steel and requesting expedited delivery. | 4th Jan 1941 | Box 109 \ 2 scan0115 | |
| Proposed method for dashboard mounting and its final design. | 10th Jan 1941 | Box 109 \ 2 scan0116 | |
| List of seven bodywork revisions for the 'MYTH' full-size model. | 13th Jan 1941 | Box 109 \ 2 scan0117 | |
| Letter to Mining & Chemical Production Ltd requesting a sample of Cerabend metal for casting experiments. | 17th Jan 1941 | Box 109 \ 2 scan0118 | |
| Letter to Park Ward Ltd regarding modifications for the 'Myth' body, floor, and tonneau. | 20th Jan 1941 | Box 109 \ 2 scan0119 | |
| Properties of fusible metals, including Cerebend, for the creation of a mascot for the Myth Model. | 23th Jan 1941 | Box 109 \ 2 scan0120 | |
| Making casts with solder and Cerebend, noting the material's expansion properties. | 23th Jan 1941 | Box 109 \ 2 scan0121 | |
| Cover letter to C.W. Ward of Park Ward Ltd. enclosing promised prints for the 'Myth Body'. | 23th Jan 1941 | Box 109 \ 2 scan0122 | |
| Letter to Messrs. Park Ward Ltd. requesting paint, leather, and Rexine for a model car. | 23th Jan 1941 | Box 109 \ 2 scan0123 | |
| Letter from Park Ward & Co Ltd regarding the high cost and production delays of a 'Myth Body'. | 24th Jan 1941 | Box 109 \ 2 scan0124 | |
| Letter to Park Ward & Co. Ltd. providing schemes to assist in the production of a 'Myth Frame' and listing associated part numbers. | 24th Jan 1941 | Box 109 \ 2 scan0125 | |
| Secret internal memo requesting photographic reproductions of a watercolour drawing of a car. | 28th Jan 1941 | Box 109 \ 2 scan0126 | |
| Letter to C.W. Ward of Park Ward's Ltd regarding an upcoming meeting in Derby and the expense of the 'Myth' body. | 30th Jan 1941 | Box 109 \ 2 scan0127 | |
| Letter to R. Summers regarding a forgotten book, a list of steel parts for a 'poor man's motor car', and a request for information on Bowzer filters. | 30th Jan 1941 | Box 109 \ 2 scan0128 | |
| List detailing the quantity and dimensions of steel sheets required for project 'MYTH'. | 31th Jan 1941 | Box 109 \ 2 scan0129 | |
| Letter to Park Ward Ltd. concerning a blueprint for a Myth front door layout and further particulars. | 31th Jan 1941 | Box 109 \ 2 scan0130 | |
| Letter to Messrs. Park Ward Ltd. regarding the supply of materials such as paint, cloth, Rexine and carpet for the Myth model. | 31th Jan 1941 | Box 109 \ 2 scan0131 | |
| Letter requesting grey-green leather from Connolly Bros. Ltd. for upholstering a quarter-scale model car body. | 31th Jan 1941 | Box 109 \ 2 scan0132 | |
| Design of the 'Myth' body hard wear and accessories and cooperation with Wilmott Breedons. | 5th Feb 1941 | Box 109 \ 2 scan0133 | |
| Letter to supplier Wilmot Breedons Ltd. concerning a list of fittings for the 'Myth' body. | 6th Feb 1941 | Box 109 \ 2 scan0134 | |
| Letter from John Summers & Sons, Limited, responding to an enquiry about Deep Drawing Auto-body Sheets. | 6th Feb 1941 | Box 109 \ 2 scan0135 | |
| Comparison of specified steel sheet sizes versus the nearest sizes offered by supplier John Summers & Sons Ltd. | 6th Feb 1941 | Box 109 \ 2 scan0136 | |
| Telephone message from Summers Connahs Quay for Mr. Robotham regarding strips ready for collection. | 10th Feb 1941 | Box 109 \ 2 scan0137 | |
| The current position on cars, including upcoming watercolour sketches for the 'Myth' model and arranging a meeting at Clan Foundry. | 10th Feb 1941 | Box 109 \ 2 scan0138 | |
| Letter to steel supplier John Summers & Sons, Ltd. regarding the collection of materials for front side members and an experimental body. | 10th Feb 1941 | Box 109 \ 2 scan0139 | |
| Letter from John Summers & Sons regarding a delay with a consignment of steel sheets. | 12th Feb 1941 | Box 109 \ 2 scan0140 | |
| Letter from John Summers & Sons, Ltd. to Mr. Robotham acknowledging receipt of his letter and enclosing a book. | 31th Jan 1941 | Box 109 \ 2 scan0141 | |
| Comparison of specified steel sheet sizes versus those offered by supplier J.S.&S for the 'MYTH' project. | 10th Feb 1941 | Box 109 \ 2 scan0142 | |
| Letter to C.W. Ward arranging a meeting to discuss the Myth car model and chassis work. | 10th Feb 1941 | Box 109 \ 2 scan0143 | |
| The arrangement drawing of the 'Myth' chassis and a list of sections to be corrected. | 11th Feb 1941 | Box 109 \ 2 scan0144 | |
| Letter to Messrs. Park Ward Ltd. enclosing blueprints for a dash for 'Myth', number RB.13006. | 13th Feb 1941 | Box 109 \ 2 scan0145 | |
| Delivery and advice note for a shipment of black summit steel sheets from John Summers & Sons, Ltd. | 13th Feb 1941 | Box 109 \ 2 scan0146 | |
| Delivery and advice note from John Summers & Sons for Black Summit Steel Sheets. | 13th Feb 1941 | Box 109 \ 2 scan0147 | |
| Delivery and advice note for black summit steel sheets from John Summers & Sons, Ltd. | 13th Feb 1941 | Box 109 \ 2 scan0148 | |
| Delivery and advice note for Mild Steel Strip from John Summers & Sons, Ltd. | 14th Feb 1941 | Box 109 \ 2 scan0149 | |
| Delivery and advice note from John Summers & Sons Ltd for mild steel strip. | 14th Feb 1941 | Box 109 \ 2 scan0150 | |
| Delivery and advice note for mild steel strip from John Summers & Sons, Ltd. | 14th Feb 1941 | Box 109 \ 2 scan0151 | |
| Letter from Park Ward & Co. Ltd. rescheduling a meeting due to a conflicting Admiralty appointment regarding Convoy Kites. | 13th Feb 1941 | Box 109 \ 2 scan0152 | |
| Letter to Weathershields Ltd. regarding a preliminary layout for a sliding roof for the 'Myth' sample body. | 14th Feb 1941 | Box 109 \ 2 scan0153 | |
| Proposing to increase the front seat width on the 'Myth' model by creating a recess in the door opposite the gear change. | 14th Feb 1941 | Box 109 \ 2 scan0154 | |
| Confidential memo discussing speculation about post-war small car production and the challenges of maintaining secrecy. | 16th Feb 1941 | Box 109 \ 2 scan0155 | |
| Letter from Park Ward & Co. warning of a potential information leak regarding a future 10 HP car. | 7th Feb 1941 | Box 109 \ 2 scan0156 | |
| Current coachwork position, production plans for the 'Myth' car, and post-war planning. | 16th Feb 1941 | Box 109 \ 2 scan0157 | |
| Letter to Messrs Park Ward Ltd. confirming a suitable green leather sample has been found for the model Myth body. | 17th Feb 1941 | Box 109 \ 2 scan0158 | |
| Radiator interchangeability for the 'Myth' model compared to the 'Ripple' model. | 20th Feb 1941 | Box 109 \ 2 scan0159 | |
| Letter to Park, Ward & Co. requesting a hold on work for the 'Myth' dash due to issues with the windscreen wiper mechanism. | 20th Feb 1941 | Box 109 \ 2 scan0160 | |
| Side elevation blueprint comparing the 'Myth' and 'Ripplet' body styles with dimensions. | 24th Feb 1941 | Box 109 \ 2 scan0161 | |
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