A text-book on chemistry. For the use of schools and colleges (1866)
Draper, Henry, 1837-1882 · New York, Harper & brothers · leaf 232
scoveries of Priestley, Scheele, andothers. That of oxygen gas by the former of thesephilosophers in 1774 forever destroyed the ancient no-tion of vitiated airs, for this gas can support combustionand respiration far better than the atmosphere. It maybe said that modern chemistry dates its origin… … water-tight trough or box, in which a shelf is placed ata distance of an inch or more under the level of the con-tained water. The jars to hold the gases are filled withwater, and placed mouth downward on this shelf. Whengas is disengaged from materials contained in a retort,the end of the retort…
Chemistry · Physics
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