Modern mechanism, exhibiting the latest progress in machines, motors, and the transmission of power, being a supplementary volume to Appletons' cyclopaedia of applied mechanics (1892)
Benjamin, Park, 1849-1922 · New York, D. Appleton · leaf 792
kes, and alsofor finishing neck yokes, singletrees,handles, and similar articles. Thereare two sand-belt pulleys, havingparallel horizontal axes, the dis-tance between which may be regu-lated by hand wheels and screws ;the article to be polished is held between centers supported by radial parallel… … Fig. 1.—Sand-belt machine. 764 SANDPAPERING MACHINES. Another type is known as the bracket machine, being designed to attach to a wall or post.There is a bracket bearing a vertical pulley spindle, and a hinged arm, the outer end of whichhas a vertical spindle, on the lower end of which there is a…
Mechanical engineering
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