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).
Delayed release of a propeller shaft (10BV) due to ongoing tests.
| Identifier | ExFiles\Box 99\4\ scan0117 | |
| Date | 21th July 1939 | |
| 437. HPS{Horace Percy Smith - Experimental Factory Mgr}/WSC.{W. S. Cassel} from Rm.{William Robotham - Chief Engineer} Rm{William Robotham - Chief Engineer}2/R.21.7.39. spec. filing Replying to your HPS{Horace Percy Smith - Experimental Factory Mgr}/WSC.{W. S. Cassel}7/BA.19.7.39., 10BV is at present being used for important propeller shaft tests, and will not be released for the modifications to the engine unit until the middle of next week. Rm.{William Robotham - Chief Engineer} | ||