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 status of the 3¼ bore High Power Engine and whether castings can be instructed.
| Identifier | ExFiles\Box 134\1\ scan0164 | |
| Date | 25th September 1939 | |
| 1129 To Rm{William Robotham - Chief Engineer}/Gry.{Shadwell Grylls} from Rm.{William Robotham - Chief Engineer} Rm.{William Robotham - Chief Engineer}3/MH.{M. Huckerby}25.9.39. Will you please find out while you are at Duffield tomorrow, the position of the 3¼ bore High Power Engine details. Are we in a position to instruct castings for the block and cylinder head ? Rm.{William Robotham - Chief Engineer} | ||