Western Electric 507B


<----- Previous             Next ----->

Switchboard ID3
ManufacturerWestern Electric
Model507B
Years Manufactured1960-1969
Switchboard TypeCommon Battery
Switchboard ApplicationPBX
Last Service LocationBinghampton, NY Public School
Special HistoryReceived from Jeff Webber.
Switchboard DescriptionLamp signals for trunks. Uses keys instead of cords to connect calls.