ion of the balls rest only on the edge of small holes made through of woodworkers, principally on account of the disadvanta- the supporting washers, all can be brought forward and ad- ges encountered in the breakage of the saws and the diffi- justed to the back of the blade which, passing downward,… … in the top and bottom of the bed, in which the and thus the upper wheel is gradually set in bolding down bolts can be moved. This allows motion without any friction taking place against the wheels to be placed in any position, as the the saw. As Soon as its velocity equals that of the driving…
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