The masterpieces of the Centennial International Exhibition\ : illustrated (1876)
Centennial Exhibition (1876 : Philadelphia, Pa.), Shinn, Earl, 1838-1886, Smith, Walter, 1836-1886, Wilson, Joseph M · Philadelphia : Gebbie & Barrie · leaf 227
rum-pins. On the centre one is a peculiarly shaped lever, swinging horizontally between the other two upon which are placed the two belt-shifters. The shifters are operated from the middle lever by teeth or projections on each, the arrangement being such that one shifter is always moved before the… … Planing- Machine. Fig. /. Side Elevation. motion of the belts and avoiding all undue straining and shrieking. The usual adjustable stops are provided on the sides of the table, operating the belt-shifting apparatus by means of a double-armed lever and link connection. I he position of this…
Centennial Exhibition (1876 : Philadelphia, Pa.) · Centennial Exhibition · Art · Decorative arts · Machinery
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