Blueprint of a Standard Bentley Head and Raised Piston Crown.
| Identifier | ExFiles\Box 148\1\ scan0034 | |
| Date | 16th December 1938 guessed | |
| STANDARD BENTLEY HEAD & RAISED PISTON CROWN | ||
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).