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 of a CI 2 cylinder engine component with a Bosch system.
| Identifier | ExFiles\Box 179b\3\ img216 | |
| Date | 18th February 1933 guessed | |
| CI 2 CYLINDER BOSCH IN | ||