NATIONAL TELEPHONE COMPANY
B49
Telephone and Telegraph set combined

Battery Wall Set

Pattern No. B49

Comprises - Hand Combination Transmitter and Receiver with Double Contact Key, Cord, Second Receiver, Hook for suspending the Hand Micro-Telephone, Line Condenser, Buzzer with Condenser, Induction Coil, Lightning Arrester and Push Button.

This instrument has been devised for use in situations where both a telephone and telegraph instrument would be a convenience.  The push button is used both for ringing and signalling.

Taken from the 1903 Catalogue.
  
 
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Last revised: July 07, 2020

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