Suggested modification to the 25/30 (Wraith) gearbox synchromesh operating gear.
| Identifier | ExFiles\Box 8\11\ 11-page127 | |
| Date | 27th August 1938 | |
| DI/ms. c. Rm. {William Robotham - Chief Engineer} c. De/may. DA. {Bernard Day - Chassis Design} 12/G.27.8.38. 628 25/30 (WRAITH) GEAR BOX. Herewith is PD.247 shewing a modification to the synchromesh operating gear suggested by Works, for economy. Details for an experimental test required. DA. {Bernard Day - Chassis Design} | ||
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).