Multiple series and constant current arc lamps for direct current circuits. (1907)
Western Electric Company. · Western Electric Company · leaf 37
e into which the tubepasses and a reliable electrical connection is thus made to the tube.All parts of these lamp frames are accurately gauged and carefullyinspected before assembly, and the result is a structure which has been proved out andfound not wanting ,n any essential requisite. In fact it… … FIGURE 4 Parallel rod frame forMultiple Direct and Alter-nating Current Lamp*
Electric lighting · Arc lamps · Wiring devices · Interior lighting fixtures, lamps, and ballasts · Enclosed circuit breakers
Internet Archive · Building Technology Heritage Library · Public Domain Mark 1.0. Free to use for anything.
