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).
Decision on introducing engine alterations for the Wraith performance model.
| Identifier | ExFiles\Box 108\2\ scan0227 | |
| Date | 17th February 1939 | |
| Rm{William Robotham - Chief Engineer} To RHC.{R. H. Coverley - Production Engineer} from Sg{Arthur F. Sidgreaves - MD} re Wraith Performance. Copy to EY.Rm.{William Robotham - Chief Engineer}Hs.{Lord Ernest Hives - Chair} Sg{Arthur F. Sidgreaves - MD}8/E20339 602 Referring to RHC.{R. H. Coverley - Production Engineer}3/FH.17.2.39 and Sg{Arthur F. Sidgreaves - MD}5/E20239 if a prompt decision were come to, to embody in production the same engine alterations as those referred to, would you please let me know how soon they could be introduced. Sg.{Arthur F. Sidgreaves - MD} | ||