Canceling Stamp.
Description:
Patent for a new and improved stamp canceler. This design utilizes a washer, flanges, and vertical slots "for the purpose of adjusting the roughened face of the head . . . so that the correct operation of the face is insured" (65-68). This represents an improvement over previous stamp cancelers.
Date:
April 19, 1881
Creator:
Grothaus, Frederick E.
Item Type:
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Partner:
UNT Libraries Government Documents Department