Modern Shop Practice, Vol. 2 of 6: A General Reference Work on Machine Shop Practice and Management, Production Manufacturing, Metallurgy, Welding, ... Work, Forging, Pattern Making, Mechanical - Softcover

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Excerpt from Modern Shop Practice<br/><br/>Little more than a century ago our mechanical devel opment had its beginning when the first prime movers were invented and developed. With the development of ma chines came the development of mechanics to run these machines, to fabricate the parts and assemble them into the finished articles. The evolution of both machines and mechan ics has been marvelous, the accuracy of workmanship of today being easily two hundred times that of a century ago, and the speed of manufacture probably much more than this. Since that time one industry has helped to develop others until today the mines produce ore in large quantities to supply the iron, copper, and other metals; the great steel mills supply the raw or fabricated material; the foundries and forging shops fashion the many castings and forgings for the intricate machine to be built; the immense shops machine the parts and assemble them for the market. Everywhere we turn we find a manufactured article which has gone through these various changes from raw material to finished product.

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