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).
Log of engine temperature readings at 600 revs, testing a special radiator without gills.
| Identifier | ExFiles\Box 78\3\ scan0002 | |
| Date | 16th March 1908 | |
| R.R. 148 (5 H) (M.C. 6599. 16.3.08) G.{Mr Griffiths - Chief Accountant / Mr Gnapp} 5639. X496 Engine running 600 revs. & Temperature underneath footboards. Special radiator, no gills Temperature water. Temperature shop. June. 9.30 am. 18°C. 66°F.{Mr Friese} 10.0 Engine started running windows closed. 10.30 56°C 66°F 10.45 59° 66° 11.0 61° 66° 11.15 62° 199°F.{Mr Friese} 68° 11.30 63° 201°F.{Mr Friese} 68° 11.45 64° 202° 69° 12.0 64° 203° 70° Windows open 12.0 to 1.0. 1.0 64° 204° 74° 1.20 66° 206° | ||