Incandescent Electric Lighting: A Practical Description of the Edison System

actual amount armature arranged attached base boilers bottles bottom boxes brought brushes building called capacity carrying cent central station circuit coal coils connected consider copper Cost of Lamps cost of operating couple Current costs curve cut-outs DESIGN determine devices directly dynamos economy Edison electric light energy engines equally expenses feeders field figure follow force give given half hour incandescent lamp increase indicated known latter leading less load located loop magnet maximum efficiency means metal meter necessary neutral obtained passing piece plant plates positive practical present pressure produced Prof proper rated regulators resistance screw Second edition secured shaft shown in Fig shows side socket space station steam strip supply switch termed tion total cost tube turned underground unit varies Watts per Candle wire zinc