Message Waiting Indicator Light Antique Phone Parts You'll really appreciate the highly

You'll really appreciate the highly audible RRRING that is sure to get the attention of everyone in your household

Gray invented the early pay box and sold them to many telephone companies

Brackets are spaced 6 1/4 inches apart

The 500 was manufactured in many colours over the years but originally in black

We are including the the keys to the coin vault and the top housing

Message Waiting Indicator Light Antique Phone Parts You'll really appreciate the highlyViking Universal message waiting light Provide Visual Lamp Indication of Message Waiting and Ringing The message waiting lamp retrofit kit is compatible with any telephone system with standard DC message waiting voltages ranging from 90VDC to 120 VDC. (this unit is not compatible with stutter tone message waiting indication.) The LM 1A is fully modular for quick plug in installation by non telephone personnel. The unit's LED will blink at a steady