Circuitry used in development of 2-lamp constant wattage ballast and operating characteristics of multi-lamp ballast of high reactance type, having isolated 115-v 60-cycle primary and secondary; results of tests; regulation curve of 2-lamp lag-lag ballast with primary taps, compared to 2-lamp constant-wattage ballast without taps. ((discussion) 82-5)
Constant-wattage ballast for two or more mercury lamps
Illum Eng
Illuminating Engineering ; 55 , n 2
1960
4 pages
Article (Journal)
English
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Low wattage HPS lamps for vehicle headlamps
Tema Archive | 1986
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Engineering Index Backfile | 1958
|Engineering Index Backfile | 1957