This page consists of two
different models with the same GEC catalogue number
MAGNETO CALL TELEPHONE
Specially Constructed for Tropical Climates
AS SUPPLIED TO THE COLONIAL GOVERNMENTS
Bridging Type Table Telephone
Comprising a Hand Microtelephone with “Manchester” Shot Carbon Transmitter, Double-pole “ Ring” Receiver and Four-conductor Green Flexible Cord, Automatic Nickel-plated Cradle Switch with Gold-Silver Alloy Contacts, Polarized Call Bell, wound to 1,000 ohms resistance and
adjusted to ring through a line resistance of 25,000 ohms, Four-magnet Generator with Laminated Swedish Iron Armature, wound to 500 ohms resistance and fitted with a Spring-cushioned Pinion to facilitate quiet
Armature and Pole Plates heavily Copper-plated to prevent rusting.
Induction Coil, thoroughly
Shellac varnished to prevent the entrance of moisture. Enamelled Metal Case with Nickel-plated Angle Pillars, and Polished Teak Base and
Fitted with a Four-conductor Green Flexible Connecting Cord, and Wall Rosette with Terminals and Lightning. Protector of plate type, enclosed under an Enamelled Metal Cover with Spring Catch.
This Instrument has been specially designed for long distance ringing and speaking.
Price in 1908 was £4.15.0
Taken from the GEC Telephone Catalogue, K Section, 10th Edition, 1908
MAGNETO RINGING TELEPHONES
Wall pattern Magneto telephone with three magnet generator, double pole receiver, solid back transmitter and polarised bell wound
to 1000 ohms. Battery compartment accommodates 2 dry cells.
Oxidised external metal work and cabinet work
of polished Walnut.
Weight 18 pounds
Cost in 1932 and 1935 was £8.0.0
Taken from the 1932 and 1935 GEC catalogues
See also the later No. 404