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 showing the relationship between heat flow and the surface temperature of a condenser.
| Identifier | ExFiles\Box 179b\2\ img245 | |
| Date | 20th December 1932 | |
| HEAT FROM STEAM (ATMOSPHERIC PRESSURE) TO METAL SURFACE OF CONDENSER CURVE N°2 HEAT FLOW. (PINTS CONDENSATE/SQ.FT/MIN) 1 PINT CONDENSATE = 57 C.T.U. = 94 B.T.U. TEMPERATURE OF SURFACE OF CONDENSER 50°C T.P. DE P 20/12/32 | ||