Hiscox, Gardner Dexter, 1822?-1908 · New York, The Norman W. Henley publishing co. · leaf 211
751. ELECTRIC WELDING PLANT.—The secondary coil is the heavy bar ofcopper enclosing the primary coil towhich the clamps are attached. Themagnetic material is in the form of coilsof iron wire wound around the primarycoil and copper hoop. C, clamp arms. D, pieces to be welded. … lVf\OLGHT /HlM^ LOW fo r£/^Ti^t. 752. ELECTRIC WELDING PLANT.—A, Alternating dyna-mo; F, resistance coils and switch; B, transformer; C, clamping jaws;D, rods or pieces to be welded; E, switch in the primary circuit. =^^
Mechanical movements
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