INDEX OF INVENTIONS For which Letters Patent of the United States were Granted December 23 1884 AND EACH BEARING THAT DATE. Standard Thermometers. Legible. SIZES OF DIALS 5 and 8 INCHES. THE TRADE. STANDARD THERMOMETER CO. PEABODY MASS. FAIRBANKS HOUSES PATENTS NEGOTIATED ABROAD. FRICTION CLUTCH Pulleys and Cut-offCouplings., scientific american, 1885-01-10
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