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).
Results of a second temperature test with a revised thermometer position near the exhaust manifold.
| Identifier | ExFiles\Box 102\6\ scan0144 | |
| Date | 8th January 1932 guessed | |
| 2nd Test. As first test except that the thermometer for registering temperature under bonnet was moved to the N.S. of the engine within 3 inches of the exhaust manifold. Average road speed 32.3 m.p.h. Time. Water Temp oC. Air Temp oC Under bonnet. Atmos Temp oC 1 Min. 26 17 12.5 2 " 27 18 - 3 " 32 19 - 4 " 39 21 - 5 " 48 26 - 6 " 54 30 - 7 " 60 34 - 8 " 66 39 - 9 " 71 44 - 10 " 75 47 - 11 " 73 47 - 12 " 69 45 - 13 " 67 45 - 14 " 67 45 - 15 " 69 46 - 16 " 70 47 - 17 " 69 47 - 18 " 69 47 - 19 " 69 47 - 20 " 69 47 - 21 " 69 47 - G.H. Whyman. | ||