NATIONAL TELEPHONE COMPANY
Pattern No. B25
Comprises - Hand Combination Transmitter and Receiver with Double Contact Key, Cord, Fixed Cradle, Induction Coil, Lightning Arrester, 3 Magnet Generator, Bell and Writing Desk.
This Wall Set is a useful instrument for distances up to 40 miles.
The batteries are fitted away from the instrument.
Taken from the 1903 Catalogue.
Last revised: July 04, 2020