RECENTLY PATENTED INVENTIONS. Agricultural Implements. Mechanical Devices. Railway-Appliances. Miscellaneous Inventions. Designs. 11usine5s an ^l'ersortal. HINTS TO CORRESPONDENTS., scientific american, 1899-12-11


RECENTLY PATENTED INVENTIONS. Agricultural Implements. Mechanical Devices. Railway-Appliances. Miscellaneous Inventions. Designs. 11usine5s an ^l'ersortal. HINTS TO CORRESPONDENTS., scientific american, 1899-12-11


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