American School of Correspondence · Chicago, American school of correspondence · leaf 166
ing face.This necessitates a special surface, called a grinding former, torthe flats to bear upon. 144 COTTON SPINNING. 107 A device for grinding the flats with the face down is shownin Fig. 92. The grinding roll, L, is mounted in self-adjustingbearings, D, which are supported by brackets, E, and… … Fig. 93. Elevation Sliowing Position of Flat Grinder When Not in Use. a similar stud, H, is connected to the lever, F, by a curved arm, J.The weight lever is thrown forward and holds the former firmlyin position against the bearing surface of the flats as they passaround the sprocket wheel, M. The…
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