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).
Confirming Mr. Royce's agreement to use nickel steel for bolts in a pedestal-type piston.
| Identifier | ExFiles\Box 66\1\ scan0104 | |
| Date | 4th October 1926 | |
| To BY/CGH.{W Clough} from E.{Mr Elliott - Chief Engineer} c. to BJ. Hs.{Lord Ernest Hives - Chair} X8040 E1/M4.10.26. RE. DOUBLE BOLT PEDESTAL TYPE PISTON. X.3996 X.8040 Thank you for memo. BY/CGH{W Clough}4/H29.9.26, with chart. Mr. Royce is in agreement with using nickel steel for the bolts in this piston instead of one of the valve steels. E.{Mr Elliott - Chief Engineer} | ||