Mechanical movements, powers, devices and appliances; (1903)
Hiscox, Gardner Dexter, 1822?-1908 · New York, The N.W. Henley & co. · leaf 209
200 ELECTRIC POWER AND CONSTRUCTION, … I. ELECTRIC WELUIXG PLANT.—The secondar} coil is the heavy bar ofcopper enclosing the primary coil towhich the clamps are attached. Themasiietic material is in the form of coilsof iron wire wound around the primarycoil and copper hoop. C, clamp arms. D, pieces to be welded.
Mechanical movements
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