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).
Request to test two distance thermometers for accuracy and their ability to withstand boiling temperatures.
| Identifier | ExFiles\Box 78\1\ scan0231 | |
| Date | 1st August 1927 | |
| Hl. from Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} X3565 Hs{Lord Ernest Hives - Chair}/Rm{William Robotham - Chief Engineer}1/LG22. 8. 27. We are [ax] sending in to you for test :- 2 distance thermometers. Will you [wxx] please check these for accuracy and also with regard to their capabilities for withstanding boiling temperature for a period whilst still retaining their accuracy at the lower temperatures. Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} | ||