Convention, Volume 21;Volume 25 |
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Halaman 260
... feet above the street yields an illumi- nation varying from a maximum of .25 candle foot at 20 feet to .01 candle foot at 200 feet ; that is , in the ratio of 25.1 . EFFECT OF HEIGHT OF LAMP The illumination in the immediate vicinity of ...
... feet above the street yields an illumi- nation varying from a maximum of .25 candle foot at 20 feet to .01 candle foot at 200 feet ; that is , in the ratio of 25.1 . EFFECT OF HEIGHT OF LAMP The illumination in the immediate vicinity of ...
Halaman 264
... feet is less than in the case of the open arc . Moreover , the illumination in the vicinity of 50 feet begins to fall if a height of 30 feet is exceeded . Now , whether a lamp will show an increasing or decreasing illumination through ...
... feet is less than in the case of the open arc . Moreover , the illumination in the vicinity of 50 feet begins to fall if a height of 30 feet is exceeded . Now , whether a lamp will show an increasing or decreasing illumination through ...
Halaman 661
... feet long , 8 feet wide , and has a maximum height of 7 feet 6 inches , including the direct - connected generator . A 1,000 - kw outfit , of similar description , is about 42 feet long , 8 feet wide and 8 feet high . Regarding costs ...
... feet long , 8 feet wide , and has a maximum height of 7 feet 6 inches , including the direct - connected generator . A 1,000 - kw outfit , of similar description , is about 42 feet long , 8 feet wide and 8 feet high . Regarding costs ...
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Istilah dan frasa umum
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