New type of welding unit developed by Westinghouse Electric and Manufacturing Co, delivered to Lehigh Valley Railroad; evolved mainly with view to building up battered rail ends, cross-overs and points, for bridge and watertank repairs, etc; but can also be employed as source of auxiliary power for grinders, drills, and other tools.
Self-propelled welder for railway track work
Engineering
Engineering ; 136 , n 3522
1933
Aufsatz (Zeitschrift)
Englisch
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