IMPROVED LUBRICANT-TESTING APPARATUS. The American Railway System. A New Fire Detecting and Extinguishing Apparatus for Ships. NEW MECHANICAL AND ENGINEERING INVENTIONS. NEW HOUSEHOLD INVENTIONS. NEW MISCELLANEOUS INVENTIONS. NEW AGRICULTURAL INVENTIONS. NEW WOODWORKING AND HOUSE AND CARRIAGE BUILDING INVENTIONS., scientific american, 1877-02-10
IMPROVED LUBRICANT-TESTING APPARATUS. The American Railway System. A New Fire Detecting and Extinguishing Apparatus for Ships. NEW MECHANICAL AND ENGINEERING INVENTIONS. NEW HOUSEHOLD INVENTIONS. NEW MISCELLANEOUS INVENTIONS. NEW AGRICULTURAL INVENTIONS. NEW WOODWORKING AND HOUSE AND CARRIAGE BUILDING INVENTIONS., scientific american, 1877-02-10
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