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Carl Wilhelm Scheele (1742-1786), apparatus for investigating gases:

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.
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Carl Wilhelm Scheele (1742-1786), apparatus for investigating gases:
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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.
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Album / World History Archive
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Modèle: Non - Propriété: Non
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Taille de l'image:
10299 x 6109 px | 180.0 MB
Taille d'impression:
87.2 x 51.7 cm | 34.3 x 20.4 in (300 dpi)
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