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).
Use of thermostats versus hand-operated shutters on radiators.
| Identifier | ExFiles\Box 78\1\ scan0121 | |
| Date | 2nd February 1921 | |
| X.3663 X.4265 To R.R. of America Inc. from R.{Sir Henry Royce} For the attention of CY) c. to CJ. c. to BY.{R.W. Bailey - Chief Engineer} c. to Hs.{Lord Ernest Hives - Chair} c. to EFC. X.4265 - RE CHASSIS - THERMOSTATS. X.3456 X.3499 With reference to BY10/P14.2.21, 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} | ||