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 cancellation of thermometer fittings upon the standardization of the thermostat.
| Identifier | ExFiles\Box 78\1\ scan0080 | |
| Date | 3rd August 1920 | |
| To Hs.{Lord Ernest Hives - Chair} from By/HEB.{H. Biraben} X3563 By/HEB{H. Biraben}2/DW3.8.20. X.3565. RE INSTRUMENT BOARD - SEC. 7190. - X.3563. THERMOMETER FITTINGS WHICH WILL BE CANCELLED WHEN THERMOSTAT IS MADE STANDARD. Kindly note the following Parts have been produced in the works to the end of "O" Series, i.e. for 500 sets beyond chassis 1500:- F.7461 -Ferrule. F.7462 -Washer. F.7479 -Clip. F.7480 -Rosette. F.7465.-Rubber Strip. These will be cancelled if the Thermostat is brought in at chassis 1501. Also thermometers and all fittings are produced up to chassis 1500. Will you kindly note the above will require consideration when bringing in the Thermostat. By/HEB.{H. Biraben} | ||