Multiple series and constant current arc lamps for direct current circuits. (1907)
Western Electric Company. · Western Electric Company · leaf 25
FIGURE 12 Shell lis, wo cons, eacn woun h d ither at 60 or 125 cycles. The choke coil is provided with tupon a limb of the core. On 60 cycles all the coils are in use; on 125 cycles only partof one coil. This coil is provided with a number of taps which permit the cutting in orout of turns, thereby… … FIGURE 13View of lamp mechanism, showing twitch side with frequency terminal
Electric lighting · Arc lamps · Wiring devices · Interior lighting fixtures, lamps, and ballasts · Enclosed circuit breakers
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