File:The Street railway journal (1900) (14735442946).jpg

Identifier: streetrailwayjo161900newy (find matches)
Title: The Street railway journal
Year: 1884 (1880s)
Authors:
Subjects: Street-railroads Electric railroads Transportation
Publisher: New York : McGraw Pub. Co.
Contributing Library: Smithsonian Libraries
Digitizing Sponsor: Smithsonian Libraries

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f one portable air-compressorapparatus for furnishing compressed air for sand blast, air tools,air hoists, chippers, etc., etc. Exhibit No. 5 comprised variousaxle-compressor apparatus with governors, reservoirs and otherair-brake apparatus, such as engineers valve, triple valves, etc.,which were arranged on tables for convenient inspection. Sec-tional parts of apparatus were also exhibited, showing the work-ing of the parts clearly. The exhibit was in charge of the com-panys new European manager, W. A. Parker. WITTING BROTHERS, LTD., of London, showed a verycomplete exhibit of the system as manufactured by the Elec-Iricite et Hydraulique Cie., of Belgium, and had at the exhibi-tion standard trucks for light railways and tramways equippedwith two standard tramway motors of 30 B. H. P., 500 volts, and 550r. p. m. In this form of truck the end platforms are entirely in-dependent of the car body. A Peckham truck was also shownequipped with similar motors. The exhibit also included a com-
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VIEW OF ONE SIDE OF HALL plete set of car fittings and electrical apparatus for handling cars,such as controllers, resistances, lightning arresters, canopyswitches, etc., and various types of tramway motors of differenthorse-power and for operating at different voltages; also stationarymotors of different sizes, both of the inclosed and semi-inclosedtype, which are designed to operate at slow speed, having fourpoles with slotted drum armatures, with form-wound coils. Thefield-magnet coils are wound on bobbins, from which they arehighly insulated by special waterproof and fireproof insulation;the complete coils are then slipped over the poles and kept inplace by the extended pole shoes and by means of special bronzecheeks. It showed also various sizes of three-phase motors andsingle-phase Heyland motors, a 50-kw motor-generator, consist-ing of a 100-volt continuous current motor, driving a continuouscurrent dynamo generating current at 500 volts. The two ma-chines were rigidly coupled

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