Ruling Machine
Description:
Patent for a new and useful improvements in ruling machines. This invention is to "provide a machine of this character by means of which engravers may cut horizontal, inclined, or circular lines into the plate, or draftsmen draw the same lines upon a sheet of drawing" (line 14-18).
Date:
November 30, 1897
Creator:
Owen, Thomas
Item Type:
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Partner:
UNT Libraries Government Documents Department