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GROUPING OF PATENT PAPERS - Extensive lot, each framed, depicts pages of U.S. Patent Office drawi...

Currency:USD Category:Everything Else / Other Start Price:NA Estimated At:200.00 - 400.00 USD
GROUPING OF PATENT PAPERS - Extensive lot, each framed, depicts pages of U.S. Patent Office drawi...
GROUPING OF PATENT PAPERS - Extensive lot, each framed, depicts pages of U.S. Patent Office drawings and descriptions of mechanical banks: includes eight different examples.