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).
Graph comparing the performance of different radiator and fan configurations.
| Identifier | ExFiles\Box 78\3\ scan0052 | |
| Date | 21th July 1914 guessed | |
| Temperature of water at outlet 60° 50° 40° Revs per min of fan 600 800 1000 1200 1400 1600 1800 2000 Legend: Standard 20" radiator small fan Colonial 22" radiator large fan Moreaux 27" radiator large fan Orme Evans honeycomb 24" large fan Ferman 22" radiator large fan | ||