| Description | Date | Identifier | |
| Technical notes on specifications and design queries for thrust washers and camshaft bearings. | 15th Oct 1940 | Box 109 \ 3 scan0024 | |
| Confirming the initial design specifications for the Myth Project car. | 30th Oct 1940 | Box 109 \ 3 scan0025 | |
| Design work and modifications for the B.M.40 engine. | 30th Oct 1940 | Box 109 \ 3 scan0026 | |
| Modifications to the 'Thumper' design, altering it into a 'BM.40'. | 30th Oct 1940 | Box 109 \ 3 scan0027 | |
| Parts list for the 'Myth M.40' connecting rod and piston assemblies. | 30th Oct 1940 | Box 109 \ 3 scan0028 | |
| Comparing the Morris 8 HP car with competitors and discussing post-war small car production. | 18th Nov 1940 | Box 109 \ 3 scan0029 | |
| Outlining a programme of design work, focusing on staff allocation for a tank project and related overtime. | 23th Nov 1940 | Box 109 \ 3 scan0030 | |
| File copy of a memo confirming specifications for an 18 Horsepower 6 Cylinder engine. | 28th Nov 1940 | Box 109 \ 3 scan0031 | |
| Specification for Myth Chassis with M.40 engine, detailing outstanding design items. | 29th Nov 1940 | Box 109 \ 3 scan0032 | |
| Summary of design status and requirements for vehicle components including clutch, gearbox, and suspension. | 29th Nov 1940 | Box 109 \ 3 scan0033 | |
| Outline of specifications and design requirements for various car components. | 29th Nov 1940 | Box 109 \ 3 scan0034 | |
| Specification for the Myth chassis with the M.40 1.267 litre engine. | 4th Dec 1940 | Box 109 \ 3 scan0035 | |
| Work list detailing outstanding designs for the 10 HP Myth chassis, divided into three groups based on completion status. | 5th Dec 1940 | Box 109 \ 3 scan0036 | |
| List of required designs for the chassis, transmission, brakes, and coachwork. | 3rd Dec 1940 | Box 109 \ 3 scan0037 | |
| Work list detailing the outstanding designs required to complete the 10 HP Myth chassis. | 5th Dec 1940 | Box 109 \ 3 scan0038 | |
| List of required designs for chassis, transmission, brakes, and coachwork components. | 5th Dec 1940 | Box 109 \ 3 scan0039 | |
| Parts to adapt the earlier B.40 engine for the Myth chassis. | 6th Dec 1940 | Box 109 \ 3 scan0040 | |
| List of engine parts categorized by section number, with notes on experimental parts and pending modifications. | 6th Dec 1940 | Box 109 \ 3 scan0041 | |
| Parts list for the M.40 MYTH Oil Pump. | 6th Dec 1940 | Box 109 \ 3 scan0042 | |
| Modification to the Distributor Housing (RE.1907) to suit a Delco-Remy drawing. | 9th Dec 1940 | Box 109 \ 3 scan0043 | |
| Listing drawings for crankcase and bearing parts prepared for a specific chassis. | 9th Dec 1940 | Box 109 \ 3 scan0044 | |
| Continued list of engine parts with reference numbers, concluding a set of instructions. | 9th Dec 1940 | Box 109 \ 3 scan0045 | |
| Confirming the supply of information for a general arrangement drawing of the 'Myth'. | 12th Dec 1940 | Box 109 \ 3 scan0046 | |
| List of drawings for the Myth M.40 model's wheelcase and triangular drive. | 14th Dec 1940 | Box 109 \ 3 scan0047 | |
| Parts for the Myth M.40 project, specifically for the Air Silencer and Inlet Pipes. | 14th Dec 1940 | Box 109 \ 3 scan0048 | |
| Parts list detailing components for cylinder head and related assemblies. | 16th Dec 1940 | Box 109 \ 3 scan0049 | |
| Parts list for assemblies Sec.5060 and Sec.8120, detailing components like tappets, rocker arms, and distributors. | 16th Dec 1940 | Box 109 \ 3 scan0050 | |
| Instructions for modifying a B.60 camshaft to suit a B.40 engine, with a list of associated drawings. | 16th Dec 1940 | Box 109 \ 3 scan0051 | |
| Abandoned schemes and distribution of original drawings for the 12 HP Myth Engine project. | 20th Dec 1940 | Box 109 \ 3 scan0052 | |
| Design specifications for the 'Myth' rear roll rod, including its dimensions and clearances. | 1st Jan 1941 | Box 109 \ 3 scan0053 | |
| Parts list and instructions for fitting self-adjusting tappets to a 2.1 Litre BM.40 engine, reference PL.430. | 6th Jan 1941 | Box 109 \ 3 scan0054 | |
| Preparing new drawings for an induction pipe and a water connection pipe to fit a horizontal carburettor. | 10th Jan 1941 | Box 109 \ 3 scan0055 | |
| Preparation of a distributor housing to accommodate a Delco distributor and ordering of a driving sleeve. | 16th Jan 1941 | Box 109 \ 3 scan0056 | |
| The adaptation of a 'Halford' Self Adjusting Tappet to the 4 cylinder BM.40 engine. | 16th Jan 1941 | Box 109 \ 3 scan0057 | |
| Obsolete preliminary drawing for 'Myth' that needs to be printed and filed. | 16th Jan 1941 | Box 109 \ 3 scan0058 | |
| Work list detailing outstanding design requirements for the 10 HP Myth chassis. | 4th Feb 1941 | Box 109 \ 3 scan0059 | |
| Listing the status of various vehicle design components, categorised by their priority. | 17th Mar 1938 | Box 109 \ 3 scan0060 | |
| Changing the position of the oil filter on the Myth engine. | 11th Feb 1941 | Box 109 \ 3 scan0061 | |
| Issuing drawings to HPS for Myth engine, 8-cylinder block, and front suspension components. | 20th Feb 1941 | Box 109 \ 3 scan0062 | |
| Parts list for the Myth Engine M.40, detailing components for the crankcase and cylinders. | 20th Feb 1941 | Box 109 \ 3 scan0063 | |
| Parts list for various engine components, including crankcase, crankshaft, connecting rod, piston, and cylinder head. | 20th Feb 1941 | Box 109 \ 3 scan0064 | |
| Parts list categorized by engine system, showing part numbers and their descriptions. | 20th Feb 1941 | Box 109 \ 3 scan0065 | |
| Continued parts list for the Oil Pump and Wheelcase & Fittings sections. | 20th Feb 1941 | Box 109 \ 3 scan0066 | |
| Letter to Howard Graham Ltd. regarding the modification of drawing PL.505 to conform with their print 040. | 20th Feb 1941 | Box 109 \ 3 scan0067 | |
| Outlining design limitations for the Myth engine's inlet and exhaust system on the nearside, specifically when applying the Wisp arrangement. | 21th Feb 1941 | Box 109 \ 3 scan0068 | |
| Confirming the decision to produce a Myth engine and requesting work to begin on the pistons. | 23th Feb 1941 | Box 109 \ 3 scan0069 | |
| Ongoing development and testing of the Myth engine. | 25th Feb 1941 | Box 109 \ 3 scan0070 | |
| Request for information on camshaft acceleration, deceleration, and tappet velocity for various engine models. | 26th Feb 1941 | Box 109 \ 3 scan0071 | |
| Development of the experimental 'Myth' engine, discussing drawings and production of 8, 10, and 12 HP variants. | 27th Feb 1941 | Box 109 \ 3 scan0072 | |
| Criticisms and agreed changes for various 'Myth' engine component drawings. | 15th Mar 1941 | Box 109 \ 3 scan0073 | |
| Meeting minutes detailing design and manufacturing decisions for various engine components. | 15th Mar 1941 | Box 109 \ 3 scan0074 | |
| Note regarding criticisms of the front engine mounting and a request for alternative designs. | 15th Mar 1941 | Box 109 \ 3 scan0075 | |
| Letter to High Duty Alloys Ltd. concerning the development of a post-war chassis using the maximum amount of light alloy. | 18th Mar 1941 | Box 109 \ 3 scan0076 | |
| Specification outline for the first 'Myth' car, detailing components and suppliers. | 20th Mar 1941 | Box 109 \ 3 scan0077 | |
| Disagreements and a compromise on 'Myth Detail Drawings'. | 20th Mar 1941 | Box 109 \ 3 scan0078 | |
| Design suggestions and decisions for various engine components related to the 'Myth Detail Drawings'. | 20th Mar 1941 | Box 109 \ 3 scan0079 | |
| Meeting notes or design review decisions on various engine components. | 20th Mar 1941 | Box 109 \ 3 scan0080 | |
| Review of design and manufacturing proposals for various engine components. | 20th Mar 1941 | Box 109 \ 3 scan0081 | |
| List of notes and decisions on various engine components and designs. | 20th Mar 1941 | Box 109 \ 3 scan0082 | |
| List of numbered points detailing agreements and disagreements on engineering specifications. | 20th Mar 1941 | Box 109 \ 3 scan0083 | |
| Design of the accelerator pedal for the Myth chassis. | 20th Mar 1941 | Box 109 \ 3 scan0084 | |
| Letter from High Duty Alloys Ltd. to W.A. Robotham regarding a meeting, alloy pricing, and a car review. | 21th Mar 1941 | Box 109 \ 3 scan0085 | |
| Design of a 'Myth' cylinder head with exhaust and inlet ports on the near side. | 22th Mar 1941 | Box 109 \ 3 scan0086 | |
| Letter from Hiduminium Engineering Ltd. proposing a meeting to discuss resuming work on aluminium alloy brake drums. | 22th Mar 1941 | Box 109 \ 3 scan0087 | |
| Letter to Hiduminium Engineering Ltd. discussing light alloy brake drums and an attached drawing for an aluminium rear axle. | 25th Mar 1941 | Box 109 \ 3 scan0088 | |
| Letter to W.C. Devereux of High Duty Alloys Ltd. regarding a Bentley V project, light alloy pricing, and a meeting. | 25th Mar 1941 | Box 109 \ 3 scan0089 | |
| Addition of sealing washers to the accelerator pedal and other potential design modifications. | 26th Mar 1941 | Box 109 \ 3 scan0090 | |
| Announcing a meeting to discuss cost savings on the Myth engine. | 26th Mar 1941 | Box 109 \ 3 scan0091 | |
| Modifications to the accelerator pedal, including adding sealing washers and welding the throttle lever. | 26th Mar 1941 | Box 109 \ 3 scan0092 | |
| Confirming required information for the M.40 Test Rig. | 29th Mar 1941 | Box 109 \ 3 scan0093 | |
| New, simpler, and less expensive dipstick scheme for the M.40 Test Rig, superceding a previous version. | 2nd Apr 1941 | Box 109 \ 3 scan0094 | |
| Blueprints for an Oil Pump Locking Plate to simplify locking nuts for the pump cover. | 7th Apr 1941 | Box 109 \ 3 scan0095 | |
| List of revised blueprints for M.40 Test Rig engine component alterations. | 7th Apr 1941 | Box 109 \ 3 scan0096 | |
| List of part alterations for the Oil Pump, Wheelcase, and Camshaft sections. | 7th Apr 1941 | Box 109 \ 3 scan0097 | |
| Parts for the M.40 Test Rig rear suspension, anti-roll bar, and shock damper systems. | 8th Apr 1941 | Box 109 \ 3 scan0098 | |
| Parts list for the M.40 Test Rig Petrol Tank, under schemes PL.427 and PL.449. | 15th Apr 1941 | Box 109 \ 3 scan0099 | |
| Specification for the first 'Myth' car, detailing outstanding designs required to complete the chassis. | 17th Apr 1941 | Box 109 \ 3 scan0100 | |
| List detailing the design status for various car components, continued from a previous page. | 17th Apr 1941 | Box 109 \ 3 scan0101 | |
| Confirming the requirement for complete 'Myth' designs before transferring staff to tank work. | 18th Apr 1941 | Box 109 \ 3 scan0102 | |
| Design of an inlet and exhaust manifold on the near side. | 18th Apr 1941 | Box 109 \ 3 scan0103 | |
| Specification sheet for the 10HP MYTH model, detailing its major components. | 4th Dec 1946 | Box 109 \ 3 scan0104 | |
| Specification sheet detailing engine components and their designs. | 7th Feb 1940 | Box 109 \ 3 scan0105 | |
| Specification sheet for various engine components and systems. | 7th Feb 1940 | Box 109 \ 3 scan0106 | |
| Specification sheet listing various engine and chassis components, their design numbers, and remarks. | 7th Feb 1940 | Box 109 \ 3 scan0107 | |
| Specification sheet listing various vehicle components and their design details. | 7th Feb 1940 | Box 109 \ 3 scan0108 | |
| Specification sheet listing vehicle components, their design numbers, and associated remarks. | 7th Feb 1940 | Box 109 \ 3 scan0109 | |
| Specification sheet detailing various vehicle components. | 7th Feb 1940 | Box 109 \ 3 scan0110 | |
| Specification sheet listing various chassis and body components and their design status. | 7th Feb 1940 | Box 109 \ 3 scan0111 | |
| Specification sheet listing various car components, their details, and status. | 7th Feb 1940 | Box 109 \ 3 scan0112 | |
| Specification sheet detailing electrical components, their descriptions, and design numbers. | 7th Feb 1940 | Box 109 \ 3 scan0113 | |
| Front roll rod specifications and roll stiffness for the 'Myth' and 'B.V.' car models. | 17th Apr 1941 | Box 109 \ 3 scan0114 | |
| Listing blueprints sent for the Myth Engine M.40's water pump and fan assembly. | 21th Apr 1941 | Box 109 \ 3 scan0115 | |
| Observations and component changes for the Myth Engine M.40, focusing on the Dynamo, Distributor, and Starter Motor. | 24th Apr 1941 | Box 109 \ 3 scan0116 | |
| Letter to Park Ward, Ltd. detailing parts and schemes required for the MYTH chassis frame. | 29th Apr 1941 | Box 109 \ 3 scan0117 | |
| From the Chassis Design Office detailing alterations to frame components to prevent scrap. | 29th Apr 1941 | Box 109 \ 3 scan0118 | |
| Listing drawings related to the M.40 Engine's cooling system components. | 30th Apr 1941 | Box 109 \ 3 scan0119 | |
| Camshaft blueprints, supplier issues, and updated specifications for the M.40 engine. | 9th May 1941 | Box 109 \ 3 scan0120 | |
| Letter to Park Ward & Co. Ltd. confirming incorrect dimensions for the MYTH chassis and enclosing an altered set of drawings. | 11th May 1941 | Box 109 \ 3 scan0121 | |
| Camshaft production, discussing materials like Monikrom, hardening methods like flame hardening, and noting that prints were not received. | 20th May 1941 | Box 109 \ 3 scan0122 | |
| Letter to Park Ward Ltd. discussing progress on the Myth chassis, body panels, and a new lightened body for the Bentley V. | 20th May 1941 | Box 109 \ 3 scan0123 | |
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