Convention, Bagian 2 |
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Halaman 108
... give diffusion and another blue glass to screen out some of the red and yellow rays from the lamp . Unlighted , both sides appear white , but lighted , the glass has a slightly blue tint . The effect is to give a color nearer to ...
... give diffusion and another blue glass to screen out some of the red and yellow rays from the lamp . Unlighted , both sides appear white , but lighted , the glass has a slightly blue tint . The effect is to give a color nearer to ...
Halaman 114
... give some direct illumination without glare . A space between the disc and the reflector permits enough light to be returned to light up the exterior , thus preventing the dark bowl , which is one disadvantage of indirect lighting equip ...
... give some direct illumination without glare . A space between the disc and the reflector permits enough light to be returned to light up the exterior , thus preventing the dark bowl , which is one disadvantage of indirect lighting equip ...
Halaman 131
... give the desired con- trol a stippled glass globe was devised . The inner surface of INITIAL DISTRIBUTION OF CANDLE - POWER IN A VERTICAL PLANE 800 100 ebo the glass is marked with numerous small irregular prisms , which in combined ...
... give the desired con- trol a stippled glass globe was devised . The inner surface of INITIAL DISTRIBUTION OF CANDLE - POWER IN A VERTICAL PLANE 800 100 ebo the glass is marked with numerous small irregular prisms , which in combined ...
Isi
1Address of CHAIRMAN RUSSELL | 2 |
5Report of Committee on Commercial Service | 12 |
RS HALE | 22 |
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alternating current amount average buildings campaign cent central station Chairman charge Chicago church coal color Commercial Section Commonwealth Edison Company consumers contractors cost course cyclometer direct current discussion display Ditto duplex wire effect efficiency elec Electric Company electric furnace Electric Light electric range electrical advertising employees Engineering equipment expense fixtures heating illumination inches increase industry installation interest isolated plant kilowatt-hour kw-hr lamps Light Company lines load manufacturers merchandise metal meter readers methods motor National Electrical National Electrical Code obtained operation Philadelphia Electric Company plugs portable cord power factor practice preferred stock present profit question reflector Report of Committee rubber insulation salesmen securities selling slow burning socket specimens standard station companies store lighting synchronous condenser temperature tion Vice-Chairman voltage water heater welding window York City