RECENT INVENTIONS. Novel Window Blind Operator. Improved Dog Cart. New Hand Corn Planter. New Belt Fastener. NEW BELT FASTENER. Comparative Economy and Durability. More London Fossils. The Geological Survey. Scientific Work on the Jeannettc 0 Catalogue of Scientific Periodicals. Saw Teeth Tipped with Iridium., scientific american, 1882-11-04
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