. Electrical world. FIGS. I, 2 AND 3.—ARC LAMP. tube being provided with a locating pin, which brings the dash-potto the proper place. In the old lamp no provision was made forlocating the dash-pot, and in the hands of inexperienced personsmight have caused trouble. In the new lamp any one can place thedash-pot in position. The clutch is made entirely of stampings,instead of castings. The carbon receiving tube has been increased in diameter from§^-in. to J^-in., so that }^-in. carbon may be used if desired, andto interchange with the other types of Heany lamps. In fact, inimproving the lamp th
. Electrical world. FIGS. I, 2 AND 3.—ARC LAMP. tube being provided with a locating pin, which brings the dash-potto the proper place. In the old lamp no provision was made forlocating the dash-pot, and in the hands of inexperienced personsmight have caused trouble. In the new lamp any one can place thedash-pot in position. The clutch is made entirely of stampings,instead of castings. The carbon receiving tube has been increased in diameter from§^-in. to J^-in., so that }^-in. carbon may be used if desired, andto interchange with the other types of Heany lamps. In fact, inimproving the lamp this point has been carefully considered, and thecasing, carbon receiving tube, supporting tubes, globes and all prin-cipal parts will interchange on all the tjpes. • The casings are made of solid copper, and well ventilated, as wellas weather-proof. The lower carbon holder has been provided witha cam to lock the carbon, instead of a screw, and has a projectionwhich limits the weight of carbon and is of importanc
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectelectri, bookyear1883