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).
The performance testing of clocks from Arrowsmith.
| Identifier | ExFiles\Box 164\1\ img245 | |
| Date | 13th September 1940 | |
| Rm{William Robotham - Chief Engineer}/RC.{R. Childs} from Rm.{William Robotham - Chief Engineer} c. Rm{William Robotham - Chief Engineer}/Wym.{G. Harold Whyman - Experimental Manager} Rm.{William Robotham - Chief Engineer}9/ML.13.9.40. Clocks With reference to this letter from Arrowsmith, will you please arrange to put three of these clocks on 9.B.V. and three in your Laboratory. We will keep an accurate day-to-day record of their performance and swop the three lots round every now and then. Rm.{William Robotham - Chief Engineer} | ||