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).
Data log of atmospheric, water, and floorboard temperature readings.
| Identifier | ExFiles\Box 78\3\ scan0014 | |
| Date | 10th June 1912 guessed | |
| 4 / X496 Atmos temp. Water temp Floor bds temp underneath. Floor bds. temp on top. 67 79.5 35.5 28.5 67 82. 35.5 28.5 68 83.5 35.5 28.5 68 84.5 35.5 29. 68 85. 36. 29. 69 85.5 36 29.5 69.5 88 36 29.5 70 88 36.5 29.5 CnsL | ||