NATIONAL TELEPHONE COMPANY
B57

BATTERY TABLE SETS

Pattern No. B57

Comprises - Hand Combination Transmitter and Receiver, Cord, Automatic Cradle-Switch, Induction Coil, Buzzer, Push Button, Wall Rosette and Cord.

This is a similar set to Pattern No. B47, but adapted for table, or desk use.  It is a useful form of instrument for office , particularly for dictating- letters, etc., from the principal's office in connection with a Dictation set, Pattern No. B54.

Taken from the 1903 Catalogue
 

Last revised: July 07, 2020