Multiple series and constant current arc lamps for direct current circuits. (1907)
Western Electric Company. · Western Electric Company · leaf 43
FIGURE 19 Type 670 S, .howing internal mechaniun … FIGURE 20 Type 670 S Lamp with R Globe and M Shade ORCCT CURRCNT SCRIES ENCLOSED IRC LAMPS•ULLCT.N NUMBER 6612 WESTERNELECTRICCOMPANY Multiple Enclosed Arc Lamp Direct Current TYPES 670-S, 675-S, 690-S The Western Electric Company, in bringing before the public its latest improvedform of…
Electric lighting · Arc lamps · Wiring devices · Interior lighting fixtures, lamps, and ballasts · Enclosed circuit breakers
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