s inlength by 8 inches inwidth and 8 inches inthickness, while its totalweight is only about 20pounds. The instrument is nowused by the British Ad-miralty for temperaturemeasurements of navalboilers. AN AUTOMATIC LIGHTSHIP. BY WALDON FAWCETT. During the past few years a radical improvementhas been… … .<fc/jfHjyy THE WHIPPLE TEMPERATURE INDICATOR FOR USE WITH PLATINUM THERMOMETER ranging from three months to a year, according to thesize of the receptacle. The originators of this systemhave lately taken another step in advance, still furtherdeparting from the usual oceanic beacon, by the…
Patents · Device · Adapted · Motor · Automobile · Gas · Sewing machine · Scientific American · Nearest agent · Machine work · Compressed air · Temperature indicator · Typewriting machine · Nickel plate · American august · Gas engine
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