BATTERY INTERCOMMUNICATION TELEPHONES
AUTOMATIC INTERCOMMUNICATION TABLE SET (PUSH BUTTON)
Pattern No. B535
Comprises Hand Combination Transmitter and Receiver, Cord, Automatic Cradle switch, Induction Coil, Buzzer, Special Push Button Line Selector, and Wall Rosette and Cord.
This is the table form of Pattern No. B530.
5, 10, 15, 20, 25 & 30 line models.