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 413
om fine wires of a diameter of one-fiftieth of aninch up to heavy steel wire for the armour of submarine cables,and again up to street railway rail joints. In recent years, elaborate machinery, for the actual produc-tion on a large scale of steel tubing from flat stock or skelp by theprogressive… … WELDING MACHIXE FOR LARGR TUBES OR. SHELLS UP TO 16 IXCHESIN DIAMETER. pass the heating current locally across the edges to weld them, andthe operation is progressive from one end of the pipe to the otheras it is fed into the machine. The result is a pipe of which thewalls are of even thickness and…
Mechanical engineering
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