. Electrical world. 1,100 sq. ft. 3 12,000 sq. ft. 30 no 265 sq. ft. 80 sq. ft:io 366 sq. ft. no sq. ft55 400 sq. ft. 121 sq. ft. For general illuminating purposes three types of lamp have nowbeen developed. Two of these are of 700 cp. and the third is of 300. FIG. 2.—MERCURY V.\rOR cp. One of these, known as the V-5 type, shown in Fig. 2, is thetube employed in the New York Transportation Companys batteryroom, and is started with a tilting iriethod. The new type is of halfsize and can be operated two in series on IlO-volt direct current

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Keywords: ., bookcentury1800, bookdecade1880, booksubjectelectri, bookyear1883