gec.gif (1164 bytes)GEC K8050


K8050

MAGNETO CALL TELEPHONE
BEST QUALITY
Specially Constructed for Tropical Climates
AS SUPPLIED TO THE COLONIAL GOVERNMENTS

Bridging Type Wall Telephone

Comprising a Four-magnet Generator with Laminated Swedish Iron Armature, wound to a resistance of 500 ohms, the Gearing fitted with a Spring-cushioned Pinion to facilitate quiet running, Armature and Pole Plates are heavily Copper-plated to prevent rusting.

Polarized Bell with Coils wound to 1,000 ohms resistance, with 2.5 inch Nickel-plated Gongs, and adjusted to ring through a line resistance of 30,000 ohms.

Long Automatic Switch Hook with Gold-Silver Alloy Contacts, Lightning Arrester of plate type with perforated Mica Separators between the Plates.

Induction Coil, wound to a resistance of 1 ohm primary and 25 ohms secondary, thoroughly Shellac varnished to prevent the entrance of moisture.

Woodwork of solid well-seasoned Teak, Polished, the sides being reinforced by Nickel. plated Brass Angle Plates.

The Hand Microtelephone is fitted with “ Manchester” Shot Carbon Transmitter, constructed entirely of non-absorbent material and specially suitable for use in a damp climate. It is provided with a Four-conductor Green Cord and Four-pin Plug fitting into a Four-way Jack let into the side of the Case.

The Receiver is of the Double-pole “Ring” type as used on all our best quality Hand Combinations.

All external metal parts Nickel plated and Lacquered.

Price in 1908 was £4 5 0


Taken from the GEC Telephone Catalogue, K Section, 10th Edition, 1908

 
 
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Last revised: February 05, 2011

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