NATIONAL TELEPHONE COMPANY
B80

HAND COMBINATION TRANSMITTERS AND RECEIVERS
(Hand Micro-Telephone)

HAND MICRO-TELEPHONE - 4 POINT

Pattern No. B80

Comprises - Granular Carbon Transmitter, Receiver (Double Pole), Cord, Switch Key, 4-way Plug, and 4-way Jack.

Hand Micro-Telephone, 4-point for Instruments, etc.

This pattern of Hand Micro-Telephone is the most suitable for all ordinary purposes.  Instead of being clumsy and heavy, as is the case with so many Hand Micro-Telephones, it is light and neat.

This model was B17 in the 1903 Catalogue.
 

Last revised: November 17, 2025