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).
Phone message slip regarding Martindale Chateauroux Vingt-et-Un for Robotham.
| Identifier | ExFiles\Box 97\4\ scan0286 | |
| Date | 9th January 1939 guessed | |
| 4006 Rm{William Robotham - Chief Engineer}/M.H. MARTINDALE CHATEAUROUX VINGT-ET-UN PLEASE PHONE RM{William Robotham - Chief Engineer} ROBOTHAM | ||