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 plotting the effect of bottom water temperature on complete car circulation and pump suction depression.
| Identifier | ExFiles\Box 29\3\ Scan233 | |
| Date | 12th July 1930 guessed | |
| GRAPH IV EFFECT OF TEMP ON COMPLETE CAR CIRCULATION. RADIATOR E.79951 CIRCULATION GAL/MIN DEPRESSION SUCTION SIDE OF PUMP INS. HG FLOW GAL/MIN DEPRESSION ON SUCTION SIDE OF THE PUMP INS HG 2500 ENGINE R.P.M. BOTTOM WATER TEMP C° 40 35 30 25 20 12" 10" 8" 6" 50 60 70 80 90 100 | ||