Overdrive gearboxes on the Wraith model.
| Identifier | ExFiles\Box 8\11\ 11-page093 | |
| Date | 9th September 1937 | |
| Sg. {Arthur F. Sidgreaves - MD} from Gry. {Shadwell Grylls} 628 also 115'3 Rm {William Robotham - Chief Engineer} /Gry {Shadwell Grylls} 2/R.9.9.37. OVERDRIVE GEARBOXES. Herewith copy of memo concerning over- drive on Wraith. Rm {William Robotham - Chief Engineer} /Gry. {Shadwell Grylls} | ||
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).