Ericsson extra bell
These are Ericsson extra bell is in fine condition from 1920's.
Left one has original moving white circle detached to ringer for people that do not hear or to noisy surrounding. Left one has coils resistance 100 Ohms and the right one 300 Ohms.
Left one has original moving white circle detached to ringer for people that do not hear or to noisy surrounding. Left one has coils resistance 100 Ohms and the right one 300 Ohms.
