Convention, Volume 2;Volume 38;Volume 54 |
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Halaman xv
... lamps estimated revenue due to nitrogen lamps 97 load increase due to nitrogen lamps 97 Indicators , excess 161 Industrial education 177 , 182 , 184 , 191 Industries , electrical , of 1912 44 Industry , conditions of abroad 49 general ...
... lamps estimated revenue due to nitrogen lamps 97 load increase due to nitrogen lamps 97 Indicators , excess 161 Industrial education 177 , 182 , 184 , 191 Industries , electrical , of 1912 44 Industry , conditions of abroad 49 general ...
Halaman 95
... lamps ( owing to the renewal item ) would under 1914 prices , be about $ 10 more per lanip per year for the nitrogen - filled lamps than for the arcs . COMPARATIVE YEARLY OPERATING COST OF ARC AND NITROGEN- FILLED INCANDESCENT LAMPS ...
... lamps ( owing to the renewal item ) would under 1914 prices , be about $ 10 more per lanip per year for the nitrogen - filled lamps than for the arcs . COMPARATIVE YEARLY OPERATING COST OF ARC AND NITROGEN- FILLED INCANDESCENT LAMPS ...
Halaman 101
National Electric Light Association. Convention. lamps supplied all of the illumination , while the display in the other was lighted by four 150 - watt lamps , and a 150 - watt unit in the table lamp . Rehabilitation of these windows ...
National Electric Light Association. Convention. lamps supplied all of the illumination , while the display in the other was lighted by four 150 - watt lamps , and a 150 - watt unit in the table lamp . Rehabilitation of these windows ...
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