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).
Order to be placed for various types of pistons.
| Identifier | ExFiles\Box 148\1\ scan0042 | |
| Date | 21th January 1939 | |
| 1256 To Roy.{Sir Henry Royce} c. to G/JWH. c. to Roy{Sir Henry Royce}/AW. Rm{William Robotham - Chief Engineer}/CTS.{C. Trot Salt - Carburation}17/JH.21.1.39. Will you please send an order to the Light Production Co.Ltd., 60/66 Rochester Row, Westminster.W.1. To cover - 40 pistons - P.452 (.200 raised crown). 20 pistons - P.451 (.330 " " ). 20 pistons - flat top + .030 on the crown. These are in accordance with our letter ref. Rm{William Robotham - Chief Engineer}/CTS.{C. Trot Salt - Carburation}16/JH.21.1.39. O/N.52444. Rm{William Robotham - Chief Engineer}/CTS.{C. Trot Salt - Carburation} | ||