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).
The build of a spring drive for a Wraith III engine distributor.
| Identifier | ExFiles\Box 108\2\ scan0059 | |
| Date | 25th March 1938 | |
| To HPS.{Horace Percy Smith - Experimental Factory Mgr} 600. Rm{William Robotham - Chief Engineer}/Wym.{G. Harold Whyman - Experimental Manager}1/JH.25.3.38. WRAITH III - R.R. ENGINE DISTRIBUTOR. Will you please build up as soon as possible one spring drive for the R.R. distributor to ECD.515. We will tell you to which car to fit same when ready. RM{William Robotham - Chief Engineer}/Wym.{G. Harold Whyman - Experimental Manager} | ||