. The Street railway journal . v. 26, 1906. An inverted V-shapedhood is mounted over the trolley wire, so that in case thewheel leaves the wire, it may take current from the hood. 872,707. Automatic Connector for Train Pipes; PeterBeahm, Altoona, Pa. App. filed June 29, 1907. Details of animproved coupling device for air-brake, signal and steam pipes. 872,713. Signaling System; Clarence W. Coleman, West-field, N. J. App. filed June 22, 1906. The signals are actuatedby liquified gas. Means for preventing the leakage of the gasto thus increase the number of operations of the signal that canbe ob
. The Street railway journal . v. 26, 1906. An inverted V-shapedhood is mounted over the trolley wire, so that in case thewheel leaves the wire, it may take current from the hood. 872,707. Automatic Connector for Train Pipes; PeterBeahm, Altoona, Pa. App. filed June 29, 1907. Details of animproved coupling device for air-brake, signal and steam pipes. 872,713. Signaling System; Clarence W. Coleman, West-field, N. J. App. filed June 22, 1906. The signals are actuatedby liquified gas. Means for preventing the leakage of the gasto thus increase the number of operations of the signal that canbe obtained from a given stored supply of gas. 872,720. Controller Operating Mechanism; Carl Fleming,Norwood, Ohio. App. filed Jan. 31, 1907. A controller forelectric motors comprising fixed and movable contacts, meanswhich, when released, tend to move the movable contact tooff position and two locking devices for said means. 872,798. Signaling System; Clarence W. Coleman, Westfield,N. J. App. filed May 1, 1906. See patent 872, PATENT NO. 872,329 872,802. Trolley; Gustav Ehmann, Canton, Ohio. App filedJune 19, 1906. The trolley harp is swiveled on a vertical axison the pole by a ball-bearing connection. 872,898. Trolley Harp; James L. Chase, Ayer, Mass. July 18, 1907. The trolley wheel has two peripheralgrooves for the reception of the wire. Automatic lubricatingmeans. System of Control; George H. Hill, Schenectady,N. Y. App. filed Oct. 31, 1904. A system of motor controladapted for systems embodying a plurality of motors arrangedto be grouped in various relations. Means whereby the entirenumber of motors of the system may be grouped in series andin different ways so as to avoid supplementary resistanct. System of Motor Control; George H. Hill, Schen-ectady, N. Y. App. filed April 7, 1906. Relates to modifica-tions of the above. 872,990. Control Apparatus; Arthur T. Crocker, Schenec-tady, N. Y. App. filed March 21, 1907. Provides an improvedmechanism
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectstreetr, bookyear1884
