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).
Modifications to the Spectre Gearbox 2nd speed actuating mechanism.
| Identifier | ExFiles\Box 94\1\ scan0042 | |
| Date | 2nd October 1934 | |
| x6677/L 328 To BY.{R.W. Bailey - Chief Engineer} from HDY.{William Hardy} c. Nor. E.{Mr Elliott - Chief Engineer} Hs.{Lord Ernest Hives - Chair} Dep. RMC. HDY.{William Hardy}1/HP.2.10.34. SpectreCodename for Phantom III Gearbox. Herewith is N. Sch.4207 which shows various small modifications to the 2nd speed actuating mechanism provided for reasons stated on the drawing. HDY.{William Hardy} | ||