Title
Carl Wilhelm Scheele
Caption
Carl Wilhelm Scheele (1742-1786), apparatus for investigating gases: from his Abhandlung von der Luft und dem Feur, 1777 (Chemical Observations and Experiments on Air and Fire). Scheele probably obtained what he called 'fire-air' (oxygen) in 1772, two years before Priestley. 1: Experiment in which hydrogen combines with oxygen in the air. 2: Burning candle in limited quantity of air. 3: Apparatus for collecting oxygen 4: Ox bladder for collecting gases, 5: Bee placed in inverted jar over basil of lime-water. As long as oxygen last: bee will live, and carbon dioxide will be absorbed by lime-water.
Credit line
Photo12/Ann Ronan Picture Library
Reference
ARP23A12_211
License type
Rights managed
Available size
180,0Mb (8,5Mb) / 34,3in x 20,4in / 10299 x 6109 (300dpi)