Cyclopedia of mechanical engineering; a general reference work. Editor-in-chief Howard Monroe Raymond. Assisted by a corps of mechanical engineers, technical experts, and designers of the highest professional standing (1908)
American School (Chicago, Ill.), Raymond, Howard Monroe · Chicago American Technical Society · leaf 411
one hundred to five hundredtimes that required to make a weld. The copper secondary circuitof the transformer is generally only a single turn of very largesection, so that it may develop an extremely heavy current at fromtwo to four volts,—an electric pressure so low that it cannot givethe least… … ELECTRIC TIREWELDINO MACHINE. single-turn Sfcoiidary circuit. The control of the clamping devicesand tile current switch is either manual, or, in some cases, entirelyautomatic. Without attempting to enumerate the many applica-tions of electric welding in the arts, we niay refer to a fewexamples.…
Mechanical engineering
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