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).
Temperature tests on a car, comparing results with windows open versus shut, and with asbestos proofing.
| Identifier | ExFiles\Box 75\4\ scan0173 | |
| Date | 16th March 1908 | |
| R.R. 148 (gH) (M.C. 6599. 16.3.08) G.{Mr Griffiths - Chief Accountant / Mr Gnapp} 5639. X819 After lunch Probably car not warm under body. 5th Test. Standard car Windows shut. Start Front 49°C. Rear 27°C. Finish " 52°C. " 40°C. 6th Test. Standard car. Windows open. Start Front 49°C Rear 32.5°C Finish " 50°C " 41°C. Atmosphere 16°C. to 54°F.{Mr Friese} Start from Works with asbestos proof & windows closed Temperature varies with road from 38° to 44°C. When car stopped 50° When windows open temperature drops to 36°C. & is still dropping at Ashbourne. The temperature varied during the day from 16° to 21° and at times it rained hard. Two tests made with standard car & asbestos only. | ||