Tissandier, Gaston, 1843-1899, Frith, Henry, 1840-, Harry Houdini Collection (Library of Congress) DLC · London, New York [etc.] Ward, Lock & Co · leaf 231
mp in general use inmines (page 62). 64 CHEMISTRY. Mines must have light, but there is a gas in mines, amarsh gas, which becomes very explosive when it mixeswith oxygen. Of course the gas will be harmless till itmeets oxygen, but, in its efforts to meet, it explodes themoment the union takes place… … CHAPTER IV.—NON-METALLIC ELEMENTS. OXYGEN—SYMBOL 0 ; ATOMIC WEIGHT 16. I XYGEN is certainly the most abundant elementin nature. It exists all around us, and theanimal and vegetable worlds are dependentupon it. It constitutes in combination aboutone-half of the crust of the earth, and composes eight-
Scientific recreations
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