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 a special unmounted Centigrade thermometer for H.T. cable tests in the Electrical Experimental Laboratory.
| Identifier | ExFiles\Box 63\1\ scan0084 | |
| Date | 14th March 1928 | |
| To ROY.{Sir Henry Royce} from EFC. X3035 EFC1/T14.3.28. We should be pleased if you would order for use in the Electrical Expl. Laboratory, in connection with H.T. cable tests, a special (i.e. unmounted) Centigrade Thermometer reading up to 200°C. EFC. O/N.735. | ||