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 interchangeability of a gearbox part for the Wraith model with one from the Spectre.
| Identifier | ExFiles\Box 8\11\ 11-page010 | |
| Date | 25th October 1934 | |
| To BY.{R.W. Bailey - Chief Engineer} from HDY.{William Hardy} c.c. Messrs. E.{Mr Elliott - Chief Engineer} Hs.{Lord Ernest Hives - Chair} Da.{Bernard Day - Chassis Design} RHC.{R. H. Coverley - Production Engineer} HDY.{William Hardy}1/HP.25.10.34. Handwritten: 4109/628 Wraith Gearbox. Will you kindly note that this box can have the same fulcrum pin and adjustment washer for the 1st and 2nd speed actuation as is shown on M.{Mr Moon / Mr Moore} Sch.4207 for the SpectreCodename for Phantom III. HDY.{William Hardy} | ||