Vintage Archer Photo-Electric Relay System~ Model cheapest 95-866, Transmitter and Receiver Work~Photo Cell|Lamp|Door Entry Alarm

Archer Vintage Photo Cell Electric Relay System - Transmitter Light Source and Receiver Switch Box - Tested And cheapest Working. Each unit is 4-5" tall.
One use was as a door alarm system. When the light source is broken to the receiver, it trips the "alarm", and the buzzing starts to happen.
Excellent condition

See photos for additional description and condition
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