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 effect of bottom water temperature on complete car circulation and pump suction depression at a constant engine speed.
| Identifier | ExFiles\Box 24\5\ Scan269 | |
| Date | 12th July 1930 guessed | |
| GRAPH IV EFFECT OF TEMP. ON COMPLETE CAR CIRCULATION. RADIATOR E.{Mr Elliott - Chief Engineer} 79951 CIRCULATION GAL/MIN BOTTOM WATER TEMP C° DEPRESSION SUCTION SIDE OF PUMP INS. HG. FLOW GAL/MIN DEPRESSION ON SUCTION SIDE OF THE PUMP INS HG 2500 ENGINE R.P.M. | ||