The Technical World Magazine, Volume 4Technical World Company, 1906 |
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Results 1-5 of 40
Page 61
... circuits , should . also be measured ; for modern conditions demand careful accounting , and the man- ager must show a due output of electric work for every pound of coal burned un- der the company's boilers . Electric me- ters , then ...
... circuits , should . also be measured ; for modern conditions demand careful accounting , and the man- ager must show a due output of electric work for every pound of coal burned un- der the company's boilers . Electric me- ters , then ...
Page 67
... circuit where- by the meter is made The " arc " meter measures the current flowing from the central station to sup- ply arc lamps . The " polyphase " meter has been developed in response to a de- mand for a meter that could render an ...
... circuit where- by the meter is made The " arc " meter measures the current flowing from the central station to sup- ply arc lamps . The " polyphase " meter has been developed in response to a de- mand for a meter that could render an ...
Page 89
... circuits has been produced . The efficiency of these lamps is in the neighborhood of 11⁄2 watts per candle - power ; and they also have a long life - 2,000 hours frequently being reached , and occasionally 5,000 to 6,000 hours , without ...
... circuits has been produced . The efficiency of these lamps is in the neighborhood of 11⁄2 watts per candle - power ; and they also have a long life - 2,000 hours frequently being reached , and occasionally 5,000 to 6,000 hours , without ...
Page 92
... circuit of the transmitting apparatus is closed , and a switching roller is rotated . In this way electric cur- rents are sent into , the printing circuit and the relays of the instruments , and both receiving and sending instruments ...
... circuit of the transmitting apparatus is closed , and a switching roller is rotated . In this way electric cur- rents are sent into , the printing circuit and the relays of the instruments , and both receiving and sending instruments ...
Page 109
... circuit will produce a periodically varying magnetization of the electro - magnet system , resulting , in turn , in variations of magnetism in the steel wire as it passes in front of the poles of the electro - magnet . These al ...
... circuit will produce a periodically varying magnetization of the electro - magnet system , resulting , in turn , in variations of magnetism in the steel wire as it passes in front of the poles of the electro - magnet . These al ...
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