ction with the discussion of each ner receives little, if any, punishment, and has better control and is more in machine. touch with his machine all the time. The method of attacking the coal by The platform upon which he operates the use of the pick machine is as fol- has about the same width as… … FIG. Io.— AN ELECTRIC CHAIN MACHINE MADE BY THE MORGAN-GARDNER ELECTRIC CO., CHICAGO end of one cut his helper may place the machine to the coal. The blow is struck other section beside it, and the machine in much the same way as the outward may be moved from one to the other stroke is give to the…
Engineering
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