How to Obtain a Patent, Copp & Co. Patent Attorneys, Washington, D.C.(Design for a Half-tone Engraving: How to Obtain a Patent, Copp & Co. Patent Attorneys, Washington, D.C.)James Henry Moser |
€ 95.97
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Undated · Pen and black ink, brush and gouache, graphite on paper, laid down on brown board
· Picture ID: 1287309
Smithsonian Institution, Gift of Louis Cohen |
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