CENTRAL BATTERY TELEPHONE
Fitted with a “Solid Back” Central Battery Transmitter, mounted on an Adjustable Knuckle Joint, Polarized Call Bell wound to
1,000 ohms resistance, and fitted with 2.5 inch Nickel-plated Gongs, Automatic Switch Hook with pure Platinum
Contacts, Induction Coil, Two-microfarad Condenser, enclosed Terminals mounted on Ebonite, Bell Receiver in Unbreakable Ebonite
Case with Concealed Terminals, and Flexible Silk-covered Connecting Cord.
All metal parts interchangeable, and all external Brass work Polished and Nickel-plated.
This set is made up in a solid-drawn Mild Steel Case hinged to a pressed Steel Base, thoroughly Stove-enamelled; also in a Walnut Case, well-seasoned and Polished.
Price in 1908 was £3.0.0
See also K8146 for the Wooden version
Taken from the GEC Telephone Catalogue, K Section, 10th Edition, 1908