Tissandier, Gaston, 1843-1899, Frith, Henry, 1840-, Harry Houdini Collection (Library of Congress) DLC · London, New York [etc.] Ward, Lock & Co · leaf 273
ant.There is the light carburetted hydrogen (CH^), whichis usually known as fire-damp in coal mines. It is highlyinflammable and dangerous. The safety-lamp inventedby Davy is a great protection against it, for as the gasneters it is cooled by the wire, and burns within harmlessly. io6 CHEMISTRY.… … Temperature reduced by contact with wire. principal function appears to be in some manner super-seded by electricity, gas is still too important to be putaside. It can easily be obtained by putting small frag-ments of coal into the bowl of a tobacco-pipe, closing the bowl with clay, and puttingit…
Scientific recreations
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