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).
Standardisation sheet for a bevel on a scraper piston ring, reference X No.4224½.
| Identifier | ExFiles\Box 77\3\ scan0266 | |
| Date | 15th November 1922 | |
| X4224 Hs.{Lord Ernest Hives - Chair} EP{G. Eric Platford - Chief Quality Engineer}/CEP6/EC15.11.22. BEVEL ON SCRAPER PISTON RING. X No.4224½ We attach hereto Standardisation Sheet for the above, duly passed and signed. Hs{Lord Ernest Hives - Chair} NOV 16 1922 RECEIVED | ||