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 order an unmounted thermometer for the Electrical Experimental Laboratory.
| Identifier | ExFiles\Box 63\1\ scan0085 | |
| Date | 19th March 1929 | |
| X 3035 To Roy.{Sir Henry Royce} from EFC. EFCL/T19.3.29. Will you please order for use in the Elec. Expl. Laboratory, one unmounted thermometer reading up to 200°C. EFC. O/N.735. | ||