Galvanizing. Coating iron with a thin layer of zinc by immersing the object in the molten metal.

Galvano-faradic. In medical electricity the shocking-coil. The application of the voltaic current, induced by a secondary current (induction-coil), to any part of the body.

Galvanometer. An instrument for measuring current strength.

A magnetic needle influenced by the passage of a current through a wire or coil located near it.

Galvanometer, Tangent. A galvanometer provided with two magnetic needles differing in length, the shorter one serving to measure tangents, the longer being used for sine measurements of current strength.

Galvanoscope. An instrument, generally of the galvanometer type, used to ascertain whether a current is flowing or not.

Generator. An apparatus for maintaining an electric current, such as a dynamo, a faradic machine, a battery, etc.

German-silver. An alloy of copper, nickel, and zinc. Used chiefly in resistance-coils, either in the form of wire or in strips of the sheet-metal.

Gold-bath. A solution of gold used for depositing that metal in the electro-plating bath.

Graphite. A form of carbon. It occurs in nature as a mineral, and also is made artificially by the agency of electric heat.