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Bell Jar, c. 1939. Creator: Nicholas ZupaBell Jar, c. 1939
Wool Flowers Under Glass, 1935 / 1942. Creator: Frank J MaceWool Flowers Under Glass, 1935/1942
Lavoisiers investigation of the existence of oxygen in the air, late 18th century, (1894). French chemist Antoine Lavoisiers (1743-1794) experiment to demonstrate the existence of oxygen
Robert Boyles second air pump, c1660 (1725). The pump is being used to evacuate a bell jar to examine the effect on an animal inside it