From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
Specification list of deep drawing auto-body steel sheets required for a project named 'MYTH'.
| Identifier | ExFiles\Box 142\2\ scan0485 | |
| Date | 27th August 1940 guessed | |
| STEEL REQUIRED FOR MYTH. Deep drawing Auto-Body Sheet. Ch. Material 2 Sheet 72 x 48 x .048 (Heelplate Hinge Reinf: Trunk Reinf: etc.,) 4 " 72 x 48 x .040 (Underframe, Crossmember, Monopiece, Door opening frame) 9 " 72 x 48 x .032 (Body Panels) 4 " 72 x 48 x .028 (Door Inner Panels, etc.,) 7 " 72 x 48 x .036 (Floor, Dash, Fenders, etc.,) 1 " 72 x 48 x .080 (Engine mountings, Spring d°, etc.,) If there is difficulty in obtaining Auto-Body Sheet for the last item, i.e., 72 x 48 x .080, single pickeled will do. | ||