AN IMPROVED DENTAL INSTRUMENT. AN IMPROVED TOOL HOLDER. MacMURTRIE & HOMSHER'S TOOL HOLDER. Photographic Halos. AN IMPROVED HOLDER FOR PAPER BAGS. SHAFER'S HOLDER FOR PAPER BAGS. Visit of the Iron and Steel Institute to the United States. AN ENVELOPE MOISTENER AND SEALER. MARET'S ENVELOPE MOISTENER AND SEALER. Increase the Patent Office Facilities. AN IMPROVED SAD IRON. Japanese A nemones. Bridge Moved by an Earthquake. CARMAN'S SAD IRON., scientific american, 1890-05-31
Keywords:
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