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).
Test results recording temperatures and timings under specific dashboard and window configurations.
| Identifier | ExFiles\Box 75\4\ scan0118 | |
| Date | 1st July 1912 guessed | |
| 174 4. Dashboard filled in, louvred side guards, dashboard ventilators closed, front two side windows open and both front windows open. Temp Floorbs. Body Temp. Water temp. Time Under full power. Air temp. 35 17 70 8 1/2 20 43 19 Boil. mins 20 No smell, bad draught. Could | ||