NATIONAL TELEPHONE COMPANY
BATTERY INTERCOMMUNICATION TELEPHONES
Pattern No. B565
Comprises - Hand Combination Transmitter and Receiver, Cord, Automatic Cradle-switch, Bell, Relay, Line Selector, Ringing Key, Induction Coil and Wall Rosette and Cord.
5, 10, 15 & 20 line models.
This pattern instrument is the table form of Pattern No.
B560 and embodies all the advantages mentioned therewith.
Last revised: July 07, 2020