Hiscox, Gardner Dexter, 1822?-1908 · New York, The Norman W. Henley publishing co. · leaf 336
1325. BELT HOLDER, Wellingtonmodel. Does away with a loose pulley. Thebelt is guided on to a set of rollers in a fixedframe at the side of the driving pulley. Savestime and avoids danger in putting on belts. MILL AND FACTORY APPLIANCES. 325 J^y^K )i^ 1326. JOINTED RADIAL ARM, for ^ ■ •• drilling… … other similar machines. Elevation. 1327. Plan, showing joints and action. 1328. DRILLING MACHINE CLAMP.—A handy tool about a drill press. The shank ispushed loosely through a hole in the drill-presstable until the lever bears on the work, when aturn on the set-screw makes a tight grip.
Mechanical movements
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