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 under specific vehicle configuration and operating conditions.
| Identifier | ExFiles\Box 75\4\ scan0120 | |
| Date | 1st July 1912 guessed | |
| 16 6. Dashboard filled in, louvred side guards, dashboard ventilators above floorboards open. front two side windows open only. Temp Floorbd. Body temp. Water temp. Time under full power. Air temp. 29 24 70 9 1/2 13 39 31 1/2 Boil. mins. 13. No smell, slight upward draught. Cauld R | ||