Inflammable Material.

Issue 17 and Volume 1878 1.

Inflammable Material. Many things popularly deemed uninflammable are far from being so; for instance, tin is not a common combustible, but it will burn with considerable energy under certain conditions. This maybe proyed by placing a small portion of nitrate of copper upon a sheet of tin foil. Both materials are inactive as long as they are dry, but upon moistening them with water the chemical action first heats the tin, which eventually will break out into flame. Lead is not usually regarded as liable to do more than melt, but under favorable circumstances it will burn with intense heat. On the other hand, a room filled with coal-gas is by many persons supposed to be dangerously explosive, whereas it cannot even take fire excepting at the openings of the room, where, by coming into contact with the air, the necessary combination of atoms occurs so as to let the…

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