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).
Engine temperature readings recorded at one-minute intervals during a full load test at 25 miles per hour.
| Identifier | ExFiles\Box 78\3\ scan0022 | |
| Date | 10th June 1912 guessed | |
| 12 X496 2. As No.1 but engine doing full load 25 miles per hour. 1 minute readings. Atmos temp. Water temp. Floorboards temp underneath. Floorboards temp on top. Start 69 75 35. 29.5 68 81.5 35. 24. 68 86.5 36. 24. 68 91. 37. 24. 68 93 37. 24.5 68 Boiling. 37. 24.5 3. As No.2. but No Bonnet. Cont'd | ||