. Bacteriological apparatus : pathological, biochemical. Scientific apparatus and instruments; Bacteriology; Chemical industry. 13540 13541 13539 Potentiometer—Leeds & Northrup. For use with the Acree and the Clark hydrogen-ion apparatus. Simple in operation, of highest ac- curacy with very low internal resistance and with a normal range of from .000001 volt to 16 volts and accuracy of resistances may be checked by camdium cell applied by a quick and convenient method Each Weston Standard Cell. For use with Potentiometer No Each 13540 Galvanometer, Leeds & Northrup Type R.
. Bacteriological apparatus : pathological, biochemical. Scientific apparatus and instruments; Bacteriology; Chemical industry. 13540 13541 13539 Potentiometer—Leeds & Northrup. For use with the Acree and the Clark hydrogen-ion apparatus. Simple in operation, of highest ac- curacy with very low internal resistance and with a normal range of from .000001 volt to 16 volts and accuracy of resistances may be checked by camdium cell applied by a quick and convenient method Each Weston Standard Cell. For use with Potentiometer No Each 13540 Galvanometer, Leeds & Northrup Type R. Especially suited for hydrogen-ion work of precision and determination of Ph values of body fluids. Resistance, 550 ohms; period, seconds; sensitivity, 850 megohms; external critical damping resistance, 500 ohms__Each 13541 Galvanometer, Portable Lamp and Scale Type. For use with the Acree and the Clark hydrogen-ion apparatus. A very sensitive and con- venient indicating instrument. Resistance, 1000 ohms; period, 3 sec- onds; sensitivity, 50 megohms; critically damped on open circuit-Each 223. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Will Corporation. Rochester, N. Y. : The Will Corporation
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Keywords: ., bookcentury1900, bookdecade1920, booksubjectscientificapparatusa
