. The Street railway journal . EARLY TYPE OF WOODEN SWITCHBOARD—ALBANY a class of switchboard that stands aloof from the average andmost extensively extensively used types. The early switchboards were mounted on wooden frames,set close to the wall, and were equipped with round copper bus-bars, bird-cage rheostats with loose spiral wound iron or Ger-man silver resistance wires, fuse blocks, ammeters of ques-tionable character, incandescent lamps for voltmeters, andplugs instead of switches. The writer remembers distinctly the first installation madeby the old Sprague Company at Atlantic City, N
. The Street railway journal . EARLY TYPE OF WOODEN SWITCHBOARD—ALBANY a class of switchboard that stands aloof from the average andmost extensively extensively used types. The early switchboards were mounted on wooden frames,set close to the wall, and were equipped with round copper bus-bars, bird-cage rheostats with loose spiral wound iron or Ger-man silver resistance wires, fuse blocks, ammeters of ques-tionable character, incandescent lamps for voltmeters, andplugs instead of switches. The writer remembers distinctly the first installation madeby the old Sprague Company at Atlantic City, N. J., in 1889;the generators were of 60-kw capacity and were shunt it was deemed advisable to compound the generators,the method of connecting the equalizers was a serious problem,with only a brief reference in S. P. Thompsons book onDynamo Electric Machinery as a guide. The practice inmany quarters was to use three-pole switches for -)-, — andequalizers. The writer has seen in basements of some of thelargest p
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectstreetr, bookyear1884
