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 temperature on complete car circulation.
| Identifier | ExFiles\Box 14\7\ Scan040 | |
| Date | 12th July 1930 guessed | |
| GRAPH IV EFFECT OF TEMP. ON COMPLETE CAR CIRCULATION. RADIATOR E.{Mr Elliott - Chief Engineer} 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° | ||