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 a modified gudgeon pin location for a 20/25 piston.
| Identifier | ExFiles\Box 86\2\ scan0011 | |
| Date | 8th March 1933 | |
| MODIFIED GUDGEON PIN LOCATION - 20/25 PISTON E 56610 ROLLS-ROYCE, LTD. PRINT ROOM MAR 8 1933 DERBY | ||