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).
Drawing of an engine connecting rod.
| Identifier | ExFiles\Box 90a\4\ Scan204 | |
| Date | 29th April 1929 | |
| S.S.O. 3.C G / 29 29.4.29 | ||