Multiple series and constant current arc lamps for direct current circuits. (1907)
Western Electric Company. · Western Electric Company · leaf 24
FIGURE II :>ke coil, shoeing taps»nd voltage adjustment WESTERNELECTRIC COMPANY Owing to the unstable nature of the arc it isnecessary to provide a certain amount of steadvinoresistance in series with the arc. This is provided byan inductive resistance consuming but a few watts.The inductive…
Electric lighting · Arc lamps · Wiring devices · Interior lighting fixtures, lamps, and ballasts · Enclosed circuit breakers
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