halftone engraving in black ink on paper | Media | Collection of Cooper Hewitt, Smithsonian Design Museum

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Print, Half-tone Engraving: How to Obtain a Patent, Copp & Co. Patent Attorneys, Washington, D.C.

Print, Half-tone Engraving: How to Obtain a Patent, Copp & Co. Patent...
halftone engraving in black ink on paper.
Gift of Louis Cohen.
1954-125-54

This object is part of the Drawings, Prints, and Graphic Design collection.