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 curves of heat to exhaust port water jackets on a Standard Phase III engine.
| Identifier | ExFiles\Box 94\3\ scan0189 | |
| Date | 22th April 1937 guessed | |
| SHEET (1) CURVES OF HEAT TO EXHAUST PORT WATER JACKETS ON STD PH. III ENGINE HEAT B.TH. U'S/MIN ENGINE SPEED - R.P.M. DEDUCED TOTAL JACKET HEAT FROM TWO HEADS EXPERIMENTAL RESULTS FROM ONE CYL. HEAD | ||