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 a request to sketch a fully insulated propeller shaft centre bearing based on a General Motors patent.
| Identifier | ExFiles\Box 99\4\ scan0111 | |
| Date | 30th March 1939 | |
| 487 To By/Ald.{F. Allwood - Experimental Design} from Rm{William Robotham - Chief Engineer}/Gry.{Shadwell Grylls} Rm{William Robotham - Chief Engineer}/Gry.{Shadwell Grylls}3/MH.{M. Huckerby}30.3.39. This is to confirm our having asked you to make a sketch of a fully insulated propellor shaft centre bearing to be tried on B.V., on the lines of the General Motors patent specification which we handed to you. Rm{William Robotham - Chief Engineer}/Gry.{Shadwell Grylls} | ||