Saw Gummer and Sharpener
Description:
Patent for a sharpener for saw blades designed to increase the strength of the blade by "imparting an oval or rounding cut to the back of the teeth" (lines 15-16). Illustrations included.
Date:
January 19, 1909
Creator:
Loughridge, John H.
Item Type:
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Partner:
UNT Libraries Government Documents Department