IMPROVED CANCELING STAMP. NEW BAND SAW MACHINE. CLEMENT'S BAND SAW MACHINE. Mortality of Brakemen. 4-410+ Tin in the Sierra Madre California. IMPROVED DIVIDERS AND CALIPERS. SOETBEER'S CALIPERS. NOVEL CORK EXTRACTOR. CLARK'S AUTOMATIC CORK EXTRACTOR. GROTHAUS' CANCELING STAMP., scientific american, 1881-07-30

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IMPROVED CANCELING STAMP. NEW BAND SAW MACHINE. CLEMENT'S BAND SAW MACHINE. Mortality of Brakemen. 4-410+ Tin in the Sierra Madre California. IMPROVED DIVIDERS AND CALIPERS. SOETBEER'S CALIPERS. NOVEL CORK EXTRACTOR. CLARK'S AUTOMATIC CORK EXTRACTOR. GROTHAUS' CANCELING STAMP., scientific american, 1881-07-30

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