IMPROVED SLEIGH. FLOUR CHEST AND SIFTER. IMPROVED PROPELLER. SYLVEN'S IMPROVED 'PROPELLER. REVOLVING TARGET. ELECTRIC CLOCK. Dental Caries in Bakers. ADAMS' REVOLVING TARGET BESWICK'S IMPROVED SLEIGH. 401 MEASURING PUMP. GARCIA'S ELECTRIC CLOCK., scientific american, 1886-11-13
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