Convention, Volume 21;Volume 25 |
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Halaman 245
... taken from the figures that precede it . The relative value of the different types of lamps as producers of useful light below the horizontal plane through the arc is very well shown . To this figure , I have added curve S , which is taken ...
... taken from the figures that precede it . The relative value of the different types of lamps as producers of useful light below the horizontal plane through the arc is very well shown . To this figure , I have added curve S , which is taken ...
Halaman 368
... taken at ran- Readings of each lot were taken at 25 , 50 and dom . Percentage of Lamps within Ob- long Target Percentage of Lamps within Di- agonal Target 100 hours and at the expiration of each 100 - 368 76.
... taken at ran- Readings of each lot were taken at 25 , 50 and dom . Percentage of Lamps within Ob- long Target Percentage of Lamps within Di- agonal Target 100 hours and at the expiration of each 100 - 368 76.
Halaman 369
... taken from the 80 - per - cent limit to the 1,500 hour mark , or until the burning out of the lamp . These separate readings are tabulated in Figure 32. The candle - hour - area readings from the life curves were taken by means of a ...
... taken from the 80 - per - cent limit to the 1,500 hour mark , or until the burning out of the lamp . These separate readings are tabulated in Figure 32. The candle - hour - area readings from the life curves were taken by means of a ...
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80-per-cent limit amount AMPERES apparatus arc lamps armature average bill boiler candle-power capacity carbons central station central-station cents per kw-hour Chairman charge circuits Clear Outer coils committee consumer consumption CURVES OF LOT direct-current Doherty efficiency Electric Company Electric Light Company electromotive force expenses feet FERGUSON Figure Gas and Electric gas engine give heating Hemispherical Candle Power horizontal incandescent lamps inclosed increase induction motors INNER GLOBE installed kilowatt hour lamp renewals Light and Power lightning arresters load lower-efficiency lamps Luminous Intensity machine Mean Hemispherical Candle meter National Electric Light Nernst lamp Opalescent Inner operating phase photometer plant Pole Power Company PRESIDENT question rotary converters single-phase sixteen candle spherical candle power standard steam sumer supply system of rates three-phase tion transformers two-phase units voltage volts watts per candle Watts per Mean Willcox wires Wright demand