Convention, Volume 1;Volume 30 |
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Halaman 258
... LIGHTING In the year 1894 , a committee of experts , appointed by the association to consider the rating of arc lamps , reported at the seventeenth convention , then in session at Washington , a pre- amble and resolution which was ...
... LIGHTING In the year 1894 , a committee of experts , appointed by the association to consider the rating of arc lamps , reported at the seventeenth convention , then in session at Washington , a pre- amble and resolution which was ...
Halaman 264
National Electric Light Association. Convention. carbon - filament , the tantalum lamp , the tungsten lamp , and so gradually the efficiency of the incandescent lamp rose far beyond that of the arc lamp of old . In the field of arc lighting ...
National Electric Light Association. Convention. carbon - filament , the tantalum lamp , the tungsten lamp , and so gradually the efficiency of the incandescent lamp rose far beyond that of the arc lamp of old . In the field of arc lighting ...
Halaman 13
... arc lamp is not so economical as the metal - filament lamp , and that the alternating - current lamp is worse still . It should be borne in mind that metal - filament lamps can easily be made for units of 100 candle - power , so they ...
... arc lamp is not so economical as the metal - filament lamp , and that the alternating - current lamp is worse still . It should be borne in mind that metal - filament lamps can easily be made for units of 100 candle - power , so they ...
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VOLUME I | xviii |
Conventions of the Association | xxv |
Member CompaniesClass | xxxi |
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