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 approval of a cast iron split piston design with a requested alteration to the saw-cut.
| Identifier | ExFiles\Box 77\3\ scan0213 | |
| Date | 23th February 1920 | |
| To Da.{Bernard Day - Chassis Design} from E.{Mr Elliott - Chief Engineer} c. to CJ. c. to Bn.{W.O. Bentley / Mr Barrington} c. to Hs.{Lord Ernest Hives - Chair} c. to Ck.{Mr Clark} c. to HM.{Capt. W. Hallam - Head Repairs} X 3754 E3/G23.2.20. X.3754 Cast Iron Split Piston X.3559 - RE REPAIR CAR PISTON. In reply to your memo DA{Bernard Day - Chassis Design}15/EF18/2/20, will you kindly note that Mr. Royce approves of this piston as shewn on your drawing N.359. He thinks it should, however, be altered in respect to the width of the longitudinal saw-cut. You will recollect that it was agreed that this particular cut can be a narrow one. E.{Mr Elliott - Chief Engineer} | ||