(Half-tone Engraving: How to Obtain a Patent, Copp & Co. Patent Attorneys, Washington, D.C.)जेम्स हेनरी मोजर |
€ 104.5
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तारीख नहीं · Halftone engraving in black ink on paper
· पिक्चर ID: 1287289
Smithsonian Institution, Gift of Louis Cohen |
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