Bulletin, Issue 47

Front Cover
The Works, 1928 - Electric lighting
 

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Bulletin, Issues 27-47

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airport airway Airway Beacons amperes angle reflectors aviation base beacon beam spread boundary lights brackets building bulb candlepower ceiling outlet cent characteristics Chromium circuit classification yards color confetti convenience-outlets cover glass decorative DEPARTMENT NATIONAL LAMP depends diameter direction display distribution efficiency electrical advertising Enclosed-Lamp Signs ENGINEERING DEPARTMENT NATIONAL Exposed-Lamp Signs factor filament lamp fixtures foot-candles glare heat illumination incandescent lamp inches increase installation LAMP DIVISION lamp spacing legibility letters Light center length light source lighting effects lighting equipment lighting system located lumens LUMENS PER WATT Luminaires maximum MAZDA lamps mounted NELA PARK number of projectors obtained operation outdoor Over-all length portable lamps Rated average requirements satisfactory series circuit shades shown in Fig signal signal lamp Silhouette Signs Smooth socket standard surface switch tungsten units various Viewing Distance visible spectrum volt voltage volts wall-brackets wattage watts wavelengths wire

Bibliographic information

TitleBulletin, Issue 47
ContributorNational Lamp Works of General Electric Company. Engineering Dept
PublisherThe Works, 1928
Original fromthe University of California
DigitizedJul 29, 2008
  
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