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).
To R.R. of America discussing the use of thermostats versus hand-operated radiator shutters on the chassis.
| Identifier | ExFiles\Box 38\2\ Scan134 | |
| Date | 2nd February 1921 | |
| X.3456 To R.R. of America Inc. from R.{Sir Henry Royce} For the attention of OY) c. to CJ. c. to BY.{R.W. Bailey - Chief Engineer} c. to Hs.{Lord Ernest Hives - Chair} c. to EFC. R2/G22.2.21. 3663 X.4285 - RE CHASSIS - THERMOSTATS. X.3456 X.3499 With reference to BY1C/F14.2.21, thermostats are not considered absolutely necessary, though I think desirable, but all cars should be fitted with hand operated shutters in front of radiators, and thermometers, pending satisfactory shutters operated by thermostat, which we consider ideal, though even this arrangement may have defects of allowing too high a temperature for alcohol. R.{Sir Henry Royce} | ||