Appleton's dictionary of machines, mechanics, engine-work, and engineering (1869)
New York, Appleton · leaf 205
If a quicker motion be required, as when the action of the tool is near the axis of the machine,the shaft E is thrown out of geer, (as shown in the views, Figs. 2542 and 2543,) and the shaft D is movedendways until the wheel c and pinion f upon it geer respectively with the wheel d upon the… … LATHE. I OP and indeed the high at, :- obtained by arranging the geering of the machine as it i- represented in theengravings. The shafts D and K, it will he o ire both out of geer, (being retained in thai /./..) and the wheel b upon the cone-spindle C is in geer with the wheel e, uponthe end of…
Mechanical engineering
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