Event date: Jun 16, 1882
The telephone exchange wishes to remind subscribers that if they will always be sure to ring off when through talking, an endless amount of trouble and confusion will be saved for the exchange and everybody connected to it.
Event date: Jun 16, 1882
The telephone exchange wishes to remind subscribers that if they will always be sure to ring off when through talking, an endless amount of trouble and confusion will be saved for the exchange and everybody connected to it.