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).
Internal request to place an official order for compression and scraper rings.
| Identifier | ExFiles\Box 148\1\ scan0052 | |
| Date | 22th February 1939 | |
| 1256 To Roy.{Sir Henry Royce} c. to G/JWH. Rm{William Robotham - Chief Engineer}/CTS.{C. Trot Salt - Carburation}18/JH.22.2.39. Will you please send an official order to the Light Production Co.Ltd., 60/66 Rochester Row, LONDON. for the following - 80 Compression rings. 40 Scraper rings. O/N.52432. Rm{William Robotham - Chief Engineer}/CTS.{C. Trot Salt - Carburation} | ||