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).
Note on the total pressure in a 22 inch radiator when water approaches boiling point.
| Identifier | ExFiles\Box 78\3\ scan0132 | |
| Date | 1st July 1920 guessed | |
| Wor{Arthur Wormald - General Works Manager}/Hy{Tom Haldenby - Plant Engineer}2/L24614. 2. when the water approaches boiling point on a 22" radiator and that this represents a total pressure of something like 600 lbs. Hy.{Tom Haldenby - Plant Engineer} | ||