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).
Requesting an official order for 48 compression rings for experiments on a Wraith chassis.
| Identifier | ExFiles\Box 9\1\ 01-page11 | |
| Date | 28th January 1938 | |
| S/F 636 To Roy.{Sir Henry Royce} from Rm{William Robotham - Chief Engineer}/Mths.{Reg Matthews} c. G/J.W.H. c. HPS{Horace Percy Smith - Experimental Factory Mgr}/W.Butterworth. Rm{William Robotham - Chief Engineer}/Mths.{Reg Matthews}9/AP.28.1.38 Will you please pass an official order to Messrs. Hepworth & Grandage Ltd., for 48 compression rings to E.60820 having a high point of .020 - .025 in accordance with arrangements made with their representatives when they visited these works recently. These rings are for use in connection with experiments on wraith chassis. Rm{William Robotham - Chief Engineer}/Mths.{Reg Matthews} | ||