Image: Judson clasp locker patent 1893
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Description: Whitcomb Judson "clasp locker" patent 1893 - precurser to the modern zipper.
Title: Judson clasp locker patent 1893
Credit: http://www.uh.edu/engines/oldzip.jpg
Author: United States Patent Office
Permission: public domain (age)
Usage Terms: Public domain
License: Public domain
Attribution Required?: No
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