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).
Diagram showing oil drillings in an aero piston from Elektronmetall G.M.B.H., Canstatt.
| Identifier | ExFiles\Box 148\3\ scan0242 | |
| Date | 21th June 1937 guessed | |
| SECTION AA{D. Abbot-Anderson} B B A A OIL DRILLINGS IN AERO. PISTON SEEN AT ELEKTRONMETALL G.M.B.H. CANSTATT. SECTION BB | ||