NATIONAL TELEPHONE COMPANY
B680
Telephones for existing Electric Bell Wires

DINING ROOM PORTABLE SET

Pattern No. B680

This is a Hand Combination Transmitter and Receiver, portable type, somewhat similar in design to Pattern No. B660. It, however, has but a single key in the handle, is only intended for use with Pattern No. B675, and further, requires a cup-hook to be fitted near the special push (with which it is used), on which to suspend it.

Was B104 in the 1903 Catalogue. 
 
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Last revised: July 07, 2020

FM2