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American telegraphy and encyclopedia of the telegraph; systems, apparatus, operation (1909)

Maver, William, jr. [from old catalog] · New York, Maver publishing company · leaf 625

An illustration from American telegraphy and encyclopedia of the telegraph; systems, apparatus, operation, 1909, leaf 625
our hours, after wliich it is flushed in water to remove the acid. 512 AMERICAN TELEGRAPHY. To Still further cleanse the iron it is immersed in muriatic acid which removes oxidesthat form (after the pickling process) when the wire is exposed to the air. The act of galvanizing the iron wire consists… … GALVANIZING IRON WIRE. which has, running through it, horizontally, a number of fire brick tubes, which arekept at a white heat by a furnace f, extending under the oven, m is a trough con-taining a solution of muriatic acid, g is a bath of molten zinc. The zinc is kept boil-ing by a furnace under…

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