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 from EFC to Roy for a Centigrade Thermometer for an experiment.
| Identifier | ExFiles\Box 63\1\ scan0210 | |
| Date | 4th October 1929 | |
| X 2035. Roy.{Sir Henry Royce} from EFC. EFC2/AD4.10.29. In connection with an experiment we have in hand, will you please obtain for us a Centigrade Thermometer reading up to 200°C. EFC. | ||