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 detailing modifications to a remachined cylinder.
| Identifier | ExFiles\Box 179b\3\ img239 | |
| Date | 11th October 1932 guessed | |
| 2 HOLES .500" DIA +.10 ON DES 1663 TO BE MODIFIED CYLINDER AS REMACHINED TO TAKE 'BOSCH' & MODN TO CI | ||