This page consists of two different models with the same GEC catalogue numberK8105
MAGNETO CALL INTERCOMMUNICATION TELEPHONE
Comprising a “Hunningscone-Deckert” Transmitter, with Ebonite Mouthpiece, Induction Coil, Double-pole “Ring” Receiver and Flexible Cord, Two-magnet Generator, Polarized Call Bell, Automatic Switch Hook, and Step-by-Step improved Line Selector.
Woodwork of solid well seasoned Polished Walnut, and all exterior metal parts Nickel-plated.
Can be supplied with 5 lines, 10 line, 15 lines, 20 lines, 25 lines or 30
MAGNETO WALL PATTERN
This instrument is intended to be used at the surface of a coal mine as a means of communication between the surface and an intrinsically safe underground system.
The cabinet is well seasoned oak with a compartment to hold two 1.5 volt dry cells. The equipment consists of a generator with an "Alnico" magnet system, polarised twin gong magneto bell and induction coil, safety shunt, capacitor and automatic switch-hook. The “Gecophone” hand-combination is fitted with a damp-proof cord. Terminals are provided for an extension bell. The circuit includes a safety shunt on capacitor.
Height - 18.5 inches (47cm)
Cost in 1935 was £9.10.0
Taken from the 1935 GEC catalogue
Last revised: February 01, 2011