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 assembly of three Wraith III units (Nos. 7, 8, and 9).
| Identifier | ExFiles\Box 6\6\ 06-page328 | |
| Date | 30th September 1937 | |
| To HFS. from Rm{William Robotham - Chief Engineer}/Swdl.{Len H. Swindell} c.c. Wym.{G. Harold Whyman - Experimental Manager} WRAITH III. Will you please assemble 3 units Nos. 7, 8 and 9 to the same specification that is being issued to HMC for the 6 units he is to build. As you get a copy of the details as issued from the D.O. it is unnecessary for us to duplicate these instructions. Rm{William Robotham - Chief Engineer}/Swdl.{Len H. Swindell} | ||