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).
Status of ongoing experiments on the Spectre gearbox.
| Identifier | ExFiles\Box 94\1\ scan0114 | |
| Date | 11th April 1935 | |
| To RHC.{R. H. Coverley - Production Engineer} +328 Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer}18/KW.11.4.35. Further to our conversation on the SpectreCodename for Phantom III gearbox, I find that there are one or two experiments going through on the box, most of which have not yet reached you as they are still in By's Dept. I shall be glad if you will keep them on the move when they are issued. Hs{Lord Ernest Hives - Chair}/Rm{William Robotham - Chief Engineer}: | ||