ments of the magnet are directed method came into existence, the U. by the operator of the crane. The S. Signal Corps has kept abreast opening or closing of a switch, with the science of transmitting turning the electricity on or off, and receiving messages through the causes the magnet to pick up… … apparatus is so compact, that it oc- to be lifted. In the case of the Lifting six kegs of nails. Magnet handling wire scrap. cupies only a space as large as a 20,000 pounds, the lift of course is small steamer trunk. in one great compact ball, though THE INDUSTRIAL USE OF THE LIFTING MAGNET. To do…
Magnet · Construction · Device · Apparatus · Patents · Foreign matter · Scientific American · Lifting magnet · Filtering bed · Charles river · American february · Matter held · Panama canal · American supplement · American supplements
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