Ericsson BC3051
Ericsson BC3051 intercom for battery ringing.
Serial number 2468103 from 1935.
Phone is very simple, two phones can be connected directly together and use only one battery.
If longer than 50 m line between phones (max 300 m)or more phones then battery for each phone.
Serial number 2468103 from 1935.
Phone is very simple, two phones can be connected directly together and use only one battery.
If longer than 50 m line between phones (max 300 m)or more phones then battery for each phone.
