Electrical news and engineering . tThree-Fhase Motor Starter is completelyenclosed in a cast iron box equipped withrubber gaskets making a fume proof andmoisture proof construction. It can beinstalled where exposed to severe condi-tion, and is substantially made, and de-signed to hold up under the rougest ofhandling. The mechanism is controlled bya lever, as shown in the cut throwing on the switch the fusesare paralleled by a copper bar, as is notedin the small sketch directly above ligure1. It is necessary to hold this lever downuntil the motor has reached speed, atwhich time by
Electrical news and engineering . tThree-Fhase Motor Starter is completelyenclosed in a cast iron box equipped withrubber gaskets making a fume proof andmoisture proof construction. It can beinstalled where exposed to severe condi-tion, and is substantially made, and de-signed to hold up under the rougest ofhandling. The mechanism is controlled bya lever, as shown in the cut throwing on the switch the fusesare paralleled by a copper bar, as is notedin the small sketch directly above ligure1. It is necessary to hold this lever downuntil the motor has reached speed, atwhich time by removing the hand thelever is automatically thrown out. and the parallel-ing device thrown out of circuit. This leaves thefuses protecting the motor, as is noted in figure it is desirou.^ of throwing off the switch, it is onlynecessary to pull out the lever, as noted in figure :!. Thisswitch is quick make and quick break with no inter-mediate position, and it i> claimed there are no weak partstnat can get out of Figure No. 1—Starting Position. Figure No. 2—Running Position. Figure No. 3— An Automatic Float Switch Oft Position Switchboard Frequency Meters A new type of frequency meter has been recentlyplaced on the market by the Weston Electrical InstrumentCompany. This meter is of a new type, consisting of aspecial soft-iron instrurnent connected into a Wheatstonebridge arrangement of resistors and reactors. The instru-inent itself consists of an iron needle mounted in a mag-netic field produced by two flat coils arranged at right
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Keywords: ., bo, bookcentury1800, bookdecade1890, bookidelectricalnewsen20donm
