Convention, Volume 18 |
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Halaman 109
... question at issue is not so much the photometric intensity of the sources of light and their distribution as it is the degree of illumination actually produced , and this question cannot be decided by the photometer , but requires the ...
... question at issue is not so much the photometric intensity of the sources of light and their distribution as it is the degree of illumination actually produced , and this question cannot be decided by the photometer , but requires the ...
Halaman 121
... question resolves itself into a physiological question . We know perfectly well that visibility depends upon contrasts . If we turn rapidly from a highly illuminated surface , and then look down at some other object , we find that we ...
... question resolves itself into a physiological question . We know perfectly well that visibility depends upon contrasts . If we turn rapidly from a highly illuminated surface , and then look down at some other object , we find that we ...
Halaman 282
... question of conscience on the part of the station manager or his directors . MR . ARMSTRONG : We had this question of lamps all settled , and Professor Thomas comes along and suggests to us that , so far as the watts are concerned , the ...
... question of conscience on the part of the station manager or his directors . MR . ARMSTRONG : We had this question of lamps all settled , and Professor Thomas comes along and suggests to us that , so far as the watts are concerned , the ...
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Active Members | 4 |
The Okonite Company Limited 297 | 8 |
Officers and Executive Committee ΙΟ | 10 |
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alternating current amount amperes apparatus arc lamps arc lighting armature boilers candle-power capacity carbons cell cent central station charge circuit Cleveland committee connected convention copper curve direct current discharge disruptive discharges dynamo economy Edison Edison illuminating companies effective horse-power efficiency Electric Company Electric Light Association Electric Light Company electrical horse-power electro-motive force energy feed and steam feed storage fixed annual cost gas engine gentlemen horse-power hour illuminometer incandescent inches indicated horse-power installation instrument insulation interest Light and Power lightning arrester machine maximum measured monocyclic system motor National Electric Light operation paper PERRY plant plates polyphase system pound of coal Power Company power wire practice PRESIDENT Professor question SEELY single-phase spark gaps standard candle station battery steam storage storage battery tanks test object thermal storage vessel three-phase three-wire system to-day Total fixed annual transformers two-phase units variable load voltage volts watts