Illuminating Engineering Practice: Lectures on Illuminating Engineering Delivered at the University of Pennsylvania, Philadelphia, September 20 to 28, 1916McGraw-Hill Book Company, Incorporated, 1917 - 578 halaman |
Dari dalam buku
Hasil 1-3 dari 29
Halaman 139
... Bulb Type Max . over- ( inches ) all length Diam . ( inches ) Base 212 5 1.52 1.46 5 1.73 10-121⁄2 VOLT “ B ” SIGN ... Bulb 338 434 Base Standard package quantity 5.5 - AMP . " C " STREET SERIES STRAIGHT SIDE AND PEAR - SHAPE BULBS ...
... Bulb Type Max . over- ( inches ) all length Diam . ( inches ) Base 212 5 1.52 1.46 5 1.73 10-121⁄2 VOLT “ B ” SIGN ... Bulb 338 434 Base Standard package quantity 5.5 - AMP . " C " STREET SERIES STRAIGHT SIDE AND PEAR - SHAPE BULBS ...
Halaman 140
... Bulb Type Base 25-34 VOLT AND 50-65 VOLT " B " TRAIN LIGHTING ROUND BULBS ΙΟ I.44 15 1.38 8.75 9.10 87 0.81 G - 182 2516 334 137 0.81 G - 182 2516 334 Med . screw 100 Any Med . screw 100 Any 20 1.36 9.25 185 0.81 G - 182 2516 334 Med ...
... Bulb Type Base 25-34 VOLT AND 50-65 VOLT " B " TRAIN LIGHTING ROUND BULBS ΙΟ I.44 15 1.38 8.75 9.10 87 0.81 G - 182 2516 334 137 0.81 G - 182 2516 334 Med . screw 100 Any Med . screw 100 Any 20 1.36 9.25 185 0.81 G - 182 2516 334 Med ...
Halaman 226
... bulb to return the upward light back along its initial path . When placed over the bulb , it is assumed that the filament is placed back of the focus . These devices are frequently seen placed on the lower side of the bulb , thus ...
... bulb to return the upward light back along its initial path . When placed over the bulb , it is assumed that the filament is placed back of the focus . These devices are frequently seen placed on the lower side of the bulb , thus ...
Isi
The Principles of Exterior Illumination | 77 |
Modern Photometry | 99 |
Recent Developments in Electric Lighting Appliances | 131 |
10 bagian lainnya tidak diperlihatkan
Edisi yang lain - Lihat semua
ILLUMINATING ENGINEERING PRAC University of Pennsylvania,Illuminating Engineering Society Pratinjau tidak tersedia - 2016 |
Istilah dan frasa umum
accessories amount angle appearance artificial light artistic average beam bowl bowl type brightness candle candle-power distribution carbon ceiling cent church classification yard color cost curve dark daylight decorative density desirable diffusing globe direct lighting distance effect efficiency Elec electric electrodes enclosed equipment factor filament fixtures floor foot-candles gas mantle gas-filled give glare glass glassware height horizontal important incandescent lamps indirect installation integrating sphere intensity interior lecture light flux light sources lighting units lumens luminous luminous arc luminous flux Magnetite mantle Mazda measure method mirror obtained opal operation outer globe photometer photometry placed plane practical prismatic problem produce proper reflection reflection coefficient reflectors refractor screen screw shades shadows solid angle space sphere spherical square standard street lighting surface source tion Trans tungsten lamps uniform usually vertical vision VOLT walls watt window