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 sketch showing the approximate layout of a supercharged engine.
| Identifier | ExFiles\Box 148\2\ scan0104 | |
| Date | 31th December 1938 guessed | |
| No. 1 CYL SUPERCHARGER. SUMP SKETCH SHOWING APPROXIMATE LAYOUT OF ENGINE. NOS. 2, 3, 4 CYLS. ARE NOT SHOWN. | ||