NATIONAL TELEPHONE COMPANY
B25

Magneto Wall Sets

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.