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).
Photograph of the No.2 High Power Block with details on its construction.
| Identifier | ExFiles\Box 134\2\ scan0151 | |
| Date | 23th August 1937 guessed | |
| No.2. HIGH POWER BLOCK. 1.500" diameter exhaust valve with inserted valve seat. Dry cylinder liner. Material - aluminium. | ||