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Scientific American, Vol. 49, No. 6 (1883) (1883)

leaf 3

An illustration from Scientific American, Vol. 49, No. 6 (1883), 1883, leaf 3
cattle traffic, when necessary. of the gauge is eight millimeters in diameter, and is divided 15,000 lineal feet of quay berths, from forty to fifty miles of The invention consists of an envelope made of tough in millimeters, with the zero point at the water level. The permanent railroad tracks,… … decompose the gas, so as to build up an arch or luop of car- bon between the electrodes. This bridge is the filament, or oilcloth strip, or other device. It is stated that there are over 150,000 now in use. and after exhausting the globe of air the lamp is ready for calibration of the instrument is…

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