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).
Confirming the availability of parts for converting a gearbox from 4-speed to 3-speed.
| Identifier | ExFiles\Box 107\1\ scan0369 | |
| Date | 20th May 1936 | |
| X560 W/S - Sg.{Arthur F. Sidgreaves - MD} from Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer}19/KW.20.5.36. The pieces are now ready to convert your gearbox from 4 to 3 speed. Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} | ||