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Rumfords calorimeter, 1887. During his work in determining the efficiency of different fuels the Anglo-American scientist Benjamin Thompson, Count Rumford (1753-1814)
Chemical lecture, 1802. Artist: James GillrayChemical lecture; Scientific Researches! - New Discoveries in Pneumaticks! or - an Experimental Lecture on the Powers of Air!, 1802
Rumfords fireplace, c1880. Devised by Benjamin Thompson, Count Rumford (1753-1814), Anglo-American scientist and administrator