Our boys; what they can do and how to do it (1893)
Stoddart, William, [from old catalog] comp · New York, Hunt & Eaton; Cincinnati, Cranston & Curts · leaf 177
le a fruit jar. The candle will soon go out. As it burnslow pour more water into the plate andyou will notice that the water rises in thejar, showing two things—that somethinghas gone out and that what is left willnot keep the candle burning. The • some-fc.. thing is nitrogen, which forms… … OUR BOYS. 173 After a few days the contents of the bottle will become offen-sive on account of the decay of animal matter thrown out fromthe lungs. The most important substance in the breath is oxygen. Thisgas is the most widely diffused and variously active element innature. Before ascertaining a…
Handicraft · Amusements · Sports
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