NATIONAL TELEPHONE COMPANY
B455

BATTERY INTERCOMMUNICATION TELEPHONES

TABLE SET

Pattern No. B455

Comprises - Granular Carbon Transmitter, Watch Receiver, Cord, Automatic Switch-hook, Induction Coil, Buzzer, Push Button, Line Selector and Wall Rosette and Cord.

Produced in 5, 10, 15 & 20 line models.
 
 
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Last revised: November 17, 2025

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