. Railway and locomotive engineering : a practical journal of railway motive power and rolling stock . eless truck. Inthe little workshop shown in our illus-tration he has developed and perfectedthe selective device, which makes remotecontrol of machinery possible and com-pels it to do his will without any visibleconnecting apparatus. I he power for operating the truck iscontained in a storage battery which itcarries and the wireless equipment wasapplied for experimental purposes. Inorder to practically study the whole sub-ject, this truck has been equipped withthe necessary receiving wires, o
. Railway and locomotive engineering : a practical journal of railway motive power and rolling stock . eless truck. Inthe little workshop shown in our illus-tration he has developed and perfectedthe selective device, which makes remotecontrol of machinery possible and com-pels it to do his will without any visibleconnecting apparatus. I he power for operating the truck iscontained in a storage battery which itcarries and the wireless equipment wasapplied for experimental purposes. Inorder to practically study the whole sub-ject, this truck has been equipped withthe necessary receiving wires, or anten-nae, and Hertzian electrical waves havebeen used in connection with a wirelesstelegraph coherer for making and breakingthe circuit between the batteries and themotor on the truck, thus starting andstopping the car. It is not claimed that this wirelesstruck is of any immediate practical valueof itself in the Union Pacific yards, butthe subject is a large one, that of con-trolling machinery without material con-tact with any part of it, and the UnionPacific pecple are making some interesting. APPARATUS FOR REMOTE CONTROL OF MACHINERY. (Sending Instrument Marked X.) constant and unvarying, unbroken bythe passage of the wheels of a car orother vehicle over any obstacle thatbreaks the ground connection. Inci-dentally, the devising of this travel-ling ground has probably gone a longway toward solving the problem ofcommunication with moving trains orother vehicles, as well as solving theproblem of maintaining sufficient con- studies of the subject at the present Millener is now preparing to equipone of the big Union Pacific locomotivesin the shop yards with the device. Inapplying the invention to a machinemoved by steam a small electric mo-tor is to be used and so arranged asto respond to the wireless waves thusopening or closing the throttle of theengine. June, rgo8. RAILWAY WD LUCUMUI IVE ENGINEERING 235 General Correspondence Bank Firing of Bituminous Coal. Editor:
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectrailroa, bookyear1901
