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 readings for atmosphere, water, and floorboards under different test conditions.
| Identifier | ExFiles\Box 75\4\ scan0078 | |
| Date | 11th June 1912 guessed | |
| Atmos temp. Water temp. Floorbds temp underneath. Floorbds. temp on top. 64 F 76 C 25. C 20.5 C 65 80 27. 20.5 21. 65 78 27. 22. 64 78 28. 22. 65 79. 29. 2. 25 miles per hour full load otherwise as No.1. Atmos temp. Water temp. Floorbds. temp underneath. Floorbds temp on top. Start 66.F 75 C 29 C 23.5 C 66 75 30 23. | ||