The results of a radiator test, detailing temperatures with shutters open versus in operation.
| Identifier | ExFiles\Box 101\4\ scan0152 | |
| Date | 21th December 1935 | |
| X500a To Hs {Lord Ernest Hives - Chair} /Rm. {William Robotham - Chief Engineer} c. to Hs {Lord Ernest Hives - Chair} /Std. Hs {Lord Ernest Hives - Chair} /GWH. {George W. Hancock - Head Chateauroux} 3/KW.21.12.35. 21-G-IV. Result of Radiator test - With shutters full upon 36°C. for a distance of 6 miles, with shutters in operation - 75°C. Air temperature 0° to -1°C. Hs {Lord Ernest Hives - Chair} /G.W.Hancock. | ||
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).