. Factory and industrial management. 34 THE ENGINEERING HEAVY DOUHLE-GEARED MULTIPLE PUNCH. Long & Alstatter Company, Hamilton, Ohio. shop. The use of the drift-pin is prohibited in the best shops, andin fact, there is no longer any reason or occasion for it. The rivet holesin seams are now automatically punched and spaced by a special ma-chine, which never errs either in pitch or locality of the hole, and theunfortunate helper, who formerly pretended to steady the long end ofa sheet while the man at the punch guided it at the crucial moment,has lost his occupation, and with the los


. Factory and industrial management. 34 THE ENGINEERING HEAVY DOUHLE-GEARED MULTIPLE PUNCH. Long & Alstatter Company, Hamilton, Ohio. shop. The use of the drift-pin is prohibited in the best shops, andin fact, there is no longer any reason or occasion for it. The rivet holesin seams are now automatically punched and spaced by a special ma-chine, which never errs either in pitch or locality of the hole, and theunfortunate helper, who formerly pretended to steady the long end ofa sheet while the man at the punch guided it at the crucial moment,has lost his occupation, and with the loss has escaped the burningwords and reproachful looks the man at the punch hurled at him whena hole was made in the wrong place; the fault was always chargedto his account. Besides the flanging and riveting machines in use in modern shops,there are a great many other special machines which reduce time andlabor costs in a marked degree ; hand-hole cutters for one, and punchesthat will stab an inch-and-a-half hole through wrought steel one inch


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Keywords: ., bookcentury1800, bookdecade1890, booksubj, booksubjectengineering