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).
Cast Iron split piston for short connecting rods.
| Identifier | ExFiles\Box 77\3\ scan0222 | |
| Date | 1st January 1920 guessed | |
| X. 3454a. C.I. Split Piston for Short Conn: Rods. | ||