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).
Blueprint showing a cross-section of a Buick piston and combustion chamber.
| Identifier | ExFiles\Box 111\2\ scan0245 | |
| Date | 28th September 1937 guessed | |
| PLUG. BUICK PISTON AND COMBUSTION CHAMBER. | ||