The Maxim Electric Light and Power Co., Philadelphia. . the arcto prevent its meltingwhen the arc is olnormal length. It,however, the feedingmechanism fails toact, the arc betelongated as the car-bons burn away, andthe great increasheat melts the fusibleplug, allowing the switch to close and cut the lamp out of circuit. Thecut-out may be again adjusted by opening the switchand inserting another fusible plug. A top view of thefusible plug, and the jaws holding it, is given in thelower part of the cut, at the right: This device has been found far more effectiveand reliable in operation than any
The Maxim Electric Light and Power Co., Philadelphia. . the arcto prevent its meltingwhen the arc is olnormal length. It,however, the feedingmechanism fails toact, the arc betelongated as the car-bons burn away, andthe great increasheat melts the fusibleplug, allowing the switch to close and cut the lamp out of circuit. Thecut-out may be again adjusted by opening the switchand inserting another fusible plug. A top view of thefusible plug, and the jaws holding it, is given in thelower part of the cut, at the right: This device has been found far more effectiveand reliable in operation than any other form of cut-out now in use, but, ownthe simplicity and certainty o( action of the Weston feeding mechanism, it is rarelybrought into action in practice. TIM l -MI I ER. THE cut at the right on this page shows a time-meter, especiall] d for use where lamps are run from central stations. It can be applied to any arc lamp, and indicates the time during which the lamp has been in operation. This is veryconvenient where lights are rented by the
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectelectri, bookyear1882
