Convention, Volume 1;Volume 30 |
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Halaman xiii
... pressure . In three - phase installations a four - wire system is to be preferred to a three - wire system . Arc lamps for small currents not entirely successful . Flame - arc lamps developed to point where they can fulfil nearly all ...
... pressure . In three - phase installations a four - wire system is to be preferred to a three - wire system . Arc lamps for small currents not entirely successful . Flame - arc lamps developed to point where they can fulfil nearly all ...
Halaman xx
... pressures . Appendix B , 9 to 12 . incandescent , improvements in . 46 to 55 . incandescent , new filaments . 52 to 55 . incandescent , standardization of . 38 . magnetite . 57 , 58 . mercury arc , types of . 59 to 61 . Nernst , use of ...
... pressures . Appendix B , 9 to 12 . incandescent , improvements in . 46 to 55 . incandescent , new filaments . 52 to 55 . incandescent , standardization of . 38 . magnetite . 57 , 58 . mercury arc , types of . 59 to 61 . Nernst , use of ...
Halaman 40
... pressure , while the lamp is revolving at 200 revolutions per minute about a vertical axis . The average limits between which the results must fall are 8 per cent for the candle - power and 5 per cent for the total watts , but ...
... pressure , while the lamp is revolving at 200 revolutions per minute about a vertical axis . The average limits between which the results must fall are 8 per cent for the candle - power and 5 per cent for the total watts , but ...
Halaman 41
... pressure being adjusted at the start so that the lamp is burning at its standard consumption , and the average total candle - power - hours during the useful life must not fall below 90 per cent of the standard figures . The ratio of ...
... pressure being adjusted at the start so that the lamp is burning at its standard consumption , and the average total candle - power - hours during the useful life must not fall below 90 per cent of the standard figures . The ratio of ...
Halaman 54
... pressure at which it will run . Thus , although the pressure was only 37 volts rather more than a year ago , this pressure has now been raised to 220 volts . Lamps are at present made for 16 candles on 100 volts , or 32 candles on 200 ...
... pressure at which it will run . Thus , although the pressure was only 37 volts rather more than a year ago , this pressure has now been raised to 220 volts . Lamps are at present made for 16 candles on 100 volts , or 32 candles on 200 ...
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