. Electrical world. -potential dischargesand the X-ray demonstrations. One of the most attractive of theseis that of W. Scheidel & Co., which is near the main entrance inSection 4. There is exhibited a complete line of standard X-raycoils, mercury turbine interrupters, Oudin resonators, rheostats,operating and coil tables complete with volt and ammeters, motorand primary rheostats, switches and split-second-stop watches, cab- load by simply closing a switch. Such a simple starting arrange-ment makes the motors specially applicable to pumps for differentkinds of service, carbonators, as used in
. Electrical world. -potential dischargesand the X-ray demonstrations. One of the most attractive of theseis that of W. Scheidel & Co., which is near the main entrance inSection 4. There is exhibited a complete line of standard X-raycoils, mercury turbine interrupters, Oudin resonators, rheostats,operating and coil tables complete with volt and ammeters, motorand primary rheostats, switches and split-second-stop watches, cab- load by simply closing a switch. Such a simple starting arrange-ment makes the motors specially applicable to pumps for differentkinds of service, carbonators, as used in drug and confectionerystores, and fans. The noiseless operation of the motors has wonthem a place for organ-glowing as applied to ordinary bellows inconnection with a speed-varying pulley and special centrifugal pres-sure blower. Other industrial applications are shown in operation,such as machine tools, bakery machinery, etc. In this connection aspecial speed-changing device is exhibited whereby a machine tool. FIG. 8.—EXHIBIT OF W. SCHIEDEL & Cu. inets containing complete outfits, illuminating cabinets, various tubes,rectifying interrupters for transforming alternating current intodirect-curent. fluoroscopes, storage batteries, tube stands, shieldsand electrodes for local and therapeutics treatments, and a largecollection of photographs. Physicians and laymen alike are at-tracted by the high-potential, high-frequency currents produced bythe Oudin resonator, which operates in conjunction with a Leydenjar. The alternating discharge of the jar may be at the rate of amillion a second, but by placing a large resistance in the circuit theoscillations are dampened. In order to get from the oscillations ofthe Leyden jar circuit, currents of high frequency, three differenttypes of machinery are used, namely, the hyperstatic, in which thetherapeutic currents are of high potential and are produced by m-duction; the spiral or coil, in which currents of lowpotential are shu
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectelectri, bookyear1883
