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).
Prints for two of the latest Twin Disc Clutch Co's gearboxes, noting their unsuitability due to diameter.
| Identifier | ExFiles\Box 133\3\ scan0238 | |
| Date | 17th July 1940 | |
| Jnr.{Charles L. Jenner} from Rm.{William Robotham - Chief Engineer} 112-8 Rm.{William Robotham - Chief Engineer}14/JMS/17.7.40. Herewith prints of two of the latest Twin Disc Clutch Co's gear boxes which may be of use to you for future reference, though I think we have already decided that they are ruled out by their diameter for our engine with the gear boxes at the back. Drawing Nos. - X.8840A and X.8760A. Rm.{William Robotham - Chief Engineer} | ||