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~Antique Raco Power Off Indicator #461
~This Railroad Signal Hole Indicator has an attached magnifier lens on the back of the housing where the railroad red signal light was located. This was used as a see through lens, so as the train passed, the conductor could see that the opposite signal's pole red light was illuminated, indicating it was working.
~Measures 6 1/2" long by 3" wide and is made of steel
~660 watt/250 Volt with 75 watt/125 Volt adaptor insert
~Excellent vintage condition complete with 4 original brass screws to attach to wall or display piece

Antique Raco Railroad Signal Power Off Peep hole Indicator Light