| Description | Date | Identifier | |
| Sending a preliminary print of the crankshaft detail RE.1648 for approval or criticism. | 30th Sep 1940 | Box 110 \ 1 scan0082 | |
| Schemes and drawings for the Myth M.40 Crankshaft, section 5010. | 13th Nov 1940 | Box 110 \ 1 scan0083 | |
| Revised prints for an M.40 Test Rig Cylinder. | 12th May 1941 | Box 110 \ 1 scan0084 | |
| Transmittal memo listing new and altered blueprints for the M.40 Test Rig, specifically for the crankcase and cylinders. | 21th Apr 1941 | Box 110 \ 1 scan0085 | |
| List of engine components with part numbers, marking the completion of Section 5000. | 21th Apr 1941 | Box 110 \ 1 scan0086 | |
| Alternative cylinder head design for the Myth engine, proposing tests and modifications. | 23th Jun 1941 | Box 110 \ 1 scan0087 | |
| Modifying the gastight seal on the steering column to suit a Borman Douglas design. | 29th Apr 1941 | Box 110 \ 1 scan0088 | |
| Instructions for mounting a Lucas coil and starter switch on the dashboard. | 29th Apr 1941 | Box 110 \ 1 scan0089 | |
| Mounting of a Lucas Coil and Starter Switch for the MYTH model dashboard. | 29th Apr 1941 | Box 110 \ 1 scan0090 | |
| 'MYTH Starter Switch' and the associated Lucas Starter Switch drawing PL.549. | 29th Apr 1941 | Box 110 \ 1 scan0091 | |
| New design for Myth exhaust valve tappets, deleting the adjusting screw and nut based on experience with the B.60 engine. | 3rd Oct 1940 | Box 110 \ 2 scan0001 | |
| Secret memorandum regarding the design of a complete welded exhaust system for the 'Myth' project. | 24th Oct 1940 | Box 110 \ 2 scan0002 | |
| Investigation into exhaust system design and harmonics for a small and rigid saloon. | 24th Sep 1940 | Box 110 \ 2 scan0003 | |
| Parts for a Myth engine's exhaust manifold, crankcase, and bearings. | 24th Sep 1940 | Box 110 \ 2 scan0004 | |
| The 'Myth' exhaust system, contrasting mathematical design solutions with practical industry methods. | 28th Oct 1940 | Box 110 \ 2 scan0005 | |
| Instructions and part list for the M.40 Test Rig concerning exhaust heated induction. | 27th Jun 1941 | Box 110 \ 2 scan0006 | |
| Issuing blueprints for the M.40 Test Rig, specifically for exhaust heated induction valves and fittings. | 1st Jul 1941 | Box 110 \ 2 scan0007 | |
| Instruction memo issuing new detail blueprints for the M.40 Test Rig, Section 5050 - Cylinder Head. | 2nd Jul 1941 | Box 110 \ 2 scan0008 | |
| Instruction memo regarding new blueprints and parts issued for the M.40 Test Rig's exhaust heated induction inlet pipe. | 7th Jul 1941 | Box 110 \ 2 scan0009 | |
| Three alternative frame designs for the 'Myth' model, weighing up options like conventional frames and monocoque constructions. | 29th Oct 1940 | Box 110 \ 2 scan0010 | |
| Car body design, comparing separate frame and monocoque constructions, and future post-war strategy. | 29th Oct 1940 | Box 110 \ 2 scan0011 | |
| Modifications to the 'Myth Frame' design, replacing previous plans. | 7th Nov 1940 | Box 110 \ 2 scan0012 | |
| Layout and proposed spot welding of the cross in the frame, referencing drawing PL.416. | 3rd Dec 1940 | Box 110 \ 2 scan0013 | |
| MITH frame components, noting the abandonment of a previous design and requesting prints for record purposes. | 3rd Dec 1940 | Box 110 \ 2 scan0014 | |
| The design and necessary stiffening for a rear bumper stop on the Myth Frame. | 3rd Dec 1940 | Box 110 \ 2 scan0015 | |
| The design of the PL.419 Rear Bumper Stop for the Myth Frame. | 3rd Dec 1940 | Box 110 \ 2 scan0016 | |
| Original drawings for 'Myth Frame' components, specifically the 4th Cross Member and Front Frame Gussets. | 3rd Dec 1940 | Box 110 \ 2 scan0017 | |
| Design and mounting of the front bumper and fog lamp brackets for the 'MYTH' frame model. | 14th Dec 1940 | Box 110 \ 2 scan0018 | |
| Design and mounting of a front bumper and fog lamp brackets for the 'Myth' frame. | 14th Dec 1940 | Box 110 \ 2 scan0019 | |
| Estimation of materials required to produce the 'Myth' frame for the first chassis. | 17th Dec 1940 | Box 110 \ 2 scan0020 | |
| Secret memo detailing the estimated material required to produce the 'Myth' frame for the first chassis. | 17th Dec 1940 | Box 110 \ 2 scan0021 | |
| Design changes for the 'Myth' project's right and left hand frame centre gussets. | 1st Apr 1941 | Box 110 \ 2 scan0022 | |
| Instruction detailing parts required for the Rear Bump Stop scheme. | 6th Jan 1941 | Box 110 \ 2 scan0023 | |
| Letter to Park Ward's Ltd. regarding the acquisition of 16-gauge material for the Myth frame. | 7th Jan 1941 | Box 110 \ 2 scan0024 | |
| Describing the design of a flat 2nd crossmember for the Myth frame, including its weight and comparison to the Rippletto design. | 7th Jan 1941 | Box 110 \ 2 scan0025 | |
| Stiffening of the 'Myth' project frame front gussets by boxing the side channels. | 10th Jan 1941 | Box 110 \ 2 scan0026 | |
| The position and welding of the 1st rear crossmember and frame stiffeners for the 'Myth' frame. | 10th Jan 1941 | Box 110 \ 2 scan0027 | |
| Modifications to the 'Myth' frame's 2nd crossmember to suit the revised position of the spare wheel. | 18th Jan 1941 | Box 110 \ 2 scan0028 | |
| Design and placement of a right-hand centre frame gusset and requirements for the left-hand equivalent. | 24th Jan 1941 | Box 110 \ 2 scan0029 | |
| The PL.500 Frame Rear Gusset & Wheelarch body bracket reinforcement. | 4th Feb 1941 | Box 110 \ 2 scan0030 | |
| 'Myth' frame front stiffeners and front body bracket. | 11th Feb 1941 | Box 110 \ 2 scan0031 | |
| Spot and tack welding of the 'Myth' frame front gusset, comparing it to the previous 'B.V.' riveted frame. | 20th Feb 1941 | Box 110 \ 2 scan0032 | |
| List of parts and schemes for an M.40 test rig frame and fittings. | 6th Mar 1941 | Box 110 \ 2 scan0033 | |
| List of additional parts required for the assembly of a frame. | 6th Mar 1941 | Box 110 \ 2 scan0034 | |
| Estimating and ordering materials for the production of two 'Myth' frames. | 10th Mar 1941 | Box 110 \ 2 scan0035 | |
| Letter to Park Ward & Co., Ltd. regarding a design change to the 'Myth Frame', requesting a halt to all work. | 20th Mar 1941 | Box 110 \ 2 scan0036 | |
| 'Myth' frame, detailing the handholes required for spotwelding gussets and assembling pedals and a hydraulic cylinder. | 16th Apr 1941 | Box 110 \ 2 scan0037 | |
| Front crossmember and starting handle bracket for the Myth chassis frame. | 17th Apr 1941 | Box 110 \ 2 scan0038 | |
| Correspondence to Park Ward, Ltd. detailing schemes and parts required to complete the Myth Chassis Frame. | 29th Apr 1941 | Box 110 \ 2 scan0039 | |
| From the Chassis Design Office listing part alterations to prevent scrap and advising on assembly drawings. | 29th Apr 1941 | Box 110 \ 2 scan0040 | |
| Parts list and instructions for the M.40 Test Rig, Front Crossmember and Starting Handle Bearing Bracket. | 23th Apr 1941 | Box 110 \ 2 scan0041 | |
| Correspondence to C.W. Ward of Park Ward Ltd. regarding the assembly of an M.T.N. chassis frame for a meeting. | 26th May 1941 | Box 110 \ 2 scan0042 | |
| Letter from Park Ward & Co Ltd regarding difficulties with spot welding and arranging the collection of chassis frame parts. | 30th May 1941 | Box 110 \ 2 scan0043 | |
| The parts required for the M.40 Test Rig's front suspension bump and rebound buffers. | 10th Jun 1941 | Box 110 \ 2 scan0044 | |
| Blueprints and parts required for the M.40 Test Rig, specifically for the Front Crossmember and Starting Handle Bearing Bracket. | 8th Jul 1941 | Box 110 \ 2 scan0045 | |
| Instruction to issue blueprints for bump and rebound buffers for the M.40 Test Rig front suspension. | 8th Jul 1941 | Box 110 \ 2 scan0046 | |
| Parts list for a Test Rig concerning the front pan and rubber mounting of the front suspension. | 10th Jul 1941 | Box 110 \ 2 scan0047 | |
| Update to the M.40 Test Rig's Front Pan and Frame Fittings, including new parts and blueprints. | 11th Jul 1941 | Box 110 \ 2 scan0048 | |
| Letter to Park Ward & Co. Ltd. enclosing blueprints for a 'Myth Frame' with assembly instructions. | 17th Aug 1941 | Box 110 \ 2 scan0049 | |
| Page two of a document listing various part numbers and their descriptions. | 17th Aug 1941 | Box 110 \ 2 scan0050 | |
| Letter to Messrs. Park Ward & Co. Ltd. regarding the welding of rear spring mounting tubes for the Myth Frame. | 18th Aug 1941 | Box 110 \ 2 scan0051 | |
| Print for the M.40 Test Rig, concerning Frame & Fittings for steering box and idler bracket mountings. | 5th Sep 1941 | Box 110 \ 2 scan0052 | |
| Blueprints for the reinforcement of the front cross member on the 'Myth' frame for the first car only. | 18th Feb 1942 | Box 110 \ 2 scan0053 | |
| The movement of one chassis frame to Park Wards and the completion of a second. | 15th Dec 1943 | Box 110 \ 2 scan0054 | |
| Results of torsional stiffness tests on the 'Myth' frame and suggesting further modifications. | 15th Dec 1943 | Box 110 \ 2 scan0055 | |
| Graph showing the results of torsion tests performed on a 'Myth' frame. | 15th Dec 1943 | Box 110 \ 2 scan0056 | |
| Scheme to provide additional frame stiffness to the Myth Chassis rear crossmember and body extensions. | 21th Dec 1943 | Box 110 \ 2 scan0057 | |
| Scheme for stiffening the rear crossmember and body brackets for the Myth Chassis. | 21th Dec 1943 | Box 110 \ 2 scan0058 | |
| Distributing prints for new and modified parts for the 'Myth' chassis, specifically the stiffened rear crossmember and body brackets. | 3rd Jan 1944 | Box 110 \ 2 scan0059 | |
| The Myrth frame tests, detailing torsional stiffness results and recommendations for stiffening improvements. | 15th Dec 1943 | Box 110 \ 2 scan0060 | |
| Graph showing the results of torsion tests on a 'Myth' frame. | 15th Dec 1943 | Box 110 \ 2 scan0061 | |
| The third torsional stiffness test carried out on the Myth Frame. | 16th Feb 1944 | Box 110 \ 2 scan0062 | |
| Graph and data table showing the results of torsion tests on the 'Myth' frame. | 22th Dec 1943 | Box 110 \ 2 scan0063 | |
| Third torsional stiffness test on the 'Myth Frame', noting changes in welding methods. | 16th Feb 1944 | Box 110 \ 2 scan0064 | |
| Graph and data tables showing results of torsion tests on a 'Myth' frame. | 22th Dec 1943 | Box 110 \ 2 scan0065 | |
| Results of a fourth torsional stiffness test on the 'Myth Frame'. | 28th Mar 1944 | Box 110 \ 2 scan0066 | |
| Torsion tests on a 'Myth' frame, showing twist rates and deflection data in tables and a graph. | 27th Mar 1944 | Box 110 \ 2 scan0067 | |
| Design of the Junior Gearbox, axle, and propeller shaft for the 'Myth' model. | 5th Aug 1939 | Box 110 \ 2 scan0068 | |
| Fitting a Hillman gearbox to the 'Myth' vehicle and requesting associated drawings. | 18th Oct 1939 | Box 110 \ 2 scan0069 | |
| Scale drawings of Myth transmission units for the Myth Monocoque car project. | 6th Aug 1940 | Box 110 \ 2 scan0070 | |
| Design changes to the 10 HP Myth Cylinder Head, superseding a previous design. | 17th Sep 1940 | Box 110 \ 2 scan0071 | |
| Requesting drawings for gearbox and engine components. | 27th Nov 1940 | Box 110 \ 2 scan0072 | |
| Proposal to fit a Hillman 14 HP gearbox into the Myth chassis, outlining the necessary modifications. | 31th Dec 1940 | Box 110 \ 2 scan0073 | |
| The required modifications to fit a Morris 8 Gearbox into the Myth chassis. | 1st Apr 1941 | Box 110 \ 2 scan0074 | |
| Continued memo detailing modifications to the body front floor and the change gear lever on a Morris box. | 1st Apr 1941 | Box 110 \ 2 scan0075 | |
| Distributing blueprints for two new pressed steel wheel designs for an experimental chassis. | 3rd Apr 1941 | Box 110 \ 2 scan0076 | |
| Proposal to fit a Morris Eight Gearbox into the Myth Chassis. | 26th May 1941 | Box 110 \ 2 scan0077 | |
| Modifications to the 'Myth' body to accommodate a Morris Gearbox and new clutch casing. | 26th May 1941 | Box 110 \ 2 scan0078 | |
| Parts list and instructions for an M.40 Test Rig for a Morris Gearbox in a Myth Chassis. | 23th Jun 1941 | Box 110 \ 2 scan0079 | |
| Distributing two altered blueprints for a Section of Pressed Steel Wheel. | 24th Jun 1941 | Box 110 \ 2 scan0080 | |
| Reduction of noise in the first speed gear for the Myth model by adding an adjustable support. | 8th Jul 1941 | Box 110 \ 2 scan0081 | |
| Rear shock damper for the Myth model, including potential modifications for a rear roll rod. | 31th Dec 1940 | Box 110 \ 2 scan0082 | |
| Link geometry of the rear shock damper. | 22th Jan 1941 | Box 110 \ 2 scan0083 | |
| Instructions and list of parts and drawings for a rear shock damper test rig. | 27th Jun 1941 | Box 110 \ 2 scan0084 | |
| Listing blueprints sent for the M.40 Test Rig Front Shock Damper components. | 26th Jun 1941 | Box 110 \ 2 scan0085 | |
| Continued list of parts for a valve assembly, including various sized adjusting washers. | 26th Jun 1941 | Box 110 \ 2 scan0086 | |
| Confirmation of the 'Myth' version requiring 5 1/2' tyres and subsequent wing clearance adjustments. | 4th Oct 1940 | Box 110 \ 2 scan0087 | |
| Minimum size for the rear wheel arches on the 'Myth' model. | 14th Oct 1940 | Box 110 \ 2 scan0088 | |
| Reviewing pivot bearing sizes in light of Buick increasing their front road wheel bearing size. | 29th Oct 1940 | Box 110 \ 2 scan0089 | |
| Comparing the bearing sizes, stress and load ratings of a Buick type pivot against other designs. | 6th Nov 1940 | Box 110 \ 2 scan0090 | |
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