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Image from page 1147 of "Electrical world" (1883) | by Internet Archive Book Images
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Image from page 1147 of "Electrical world" (1883)

Identifier: electricalworld43newy

Title: Electrical world

Year: 1883 (1880s)


Subjects: Electrical engineering

Publisher: [New York McGraw-Hill Pub. Co., etc.]

Contributing Library: Engineering - University of Toronto

Digitizing Sponsor: University of Toronto


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Text Appearing Before Image:

or belt ordirect connection; rotary converters, motor-generator sets, oil-in-sulated and air-blast transformers, direct-current and alternating-current railway motors and controllers, single and polyphase in-duction motors of constant and variable speeds, direct-current motorsof many types, including motors for variable-speed service fromsingle and double-voltage circuits, switchboard apparatus, ammeters,voltmeters, wattmeters, synchroscopes, power factor meters, circuit-breakers and switches, many of them electrically operated; portableinstruments, instruments of precision, potential regulators, and innu-merable other forms of auxiliary apparatus and instruments. Thealternating-current, series-wound, single-phase crane motors, sim-ilar in type and general construction to the single-phase railwaymotors exhibited in the Transportation Building, and the new West-inghouse Unit Switch System of Multiple Control are also to heseen in this section. The spectacular high-tension sign, using a


Text Appearing After Image:

FIG. 5.—BRAKE E.XHIBITS, TRANSPORTATION BUILDING. brake which is now so much in use. The method at present gen-erally adopted when two pumps are used on one locomotive isshown, and one of the novel features of the rack is that all valvesare placed ig duplicate, one sectioned so as to show the internalworking mechanism, and connected to the valve in use in such a ELECTRICAL WORLD and ENGINEER. Vol. XLIII, No. 24. manner that it moves as the regular valve is operated. The opera-tion of the various valves is thus readily studied. The Westinghouse friction draft gear also is shown in section,with a machine especially designed for testing it in operation. Theavailable power which can be e.xerted on the draft gear approximates2,000 pounds. A triple valve testing rack is presented to show themanner in which this device is now being installed in many rail-road shops. Sectional parts also are shown of the other apparatusof the Westinghouse Air Brake Company and the WestinghouseTraction Brake


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Taken circa 1883