STERLING TELEPHONE AND ELECTRIC Co. Ltd


MAGNETO RINGING TELEPHONES
(WITH THREE-MAGNET GENERATORS)

No. U 345

Magneto Wall Telephone, comprising Hunningscone Revolving Granular Carbon Transmitter (No. U 55), Induction Coil, Double-Pole Bell Receiver (British Post Office Pattern) in Enamelled Brass Case and with enclosed Terminals (No. U 6), Powerful Triple Magnet Generator (to ring through a Line Resistance of 25,000 ohms), 1,000 ohm Polarised Bell, Removable Automatic Switch Hook, Lightning Arrester and Terminals for Extension Bell.

Metal Parts Nickel-plated, Woodwork Solid Walnut.

Note: The Switch Hook and Transmitter may be removed for transit.

No. U 345a
Tropical Magneto Set. Similar to U 345, but with Teak Woodwork and finished suitable for Tropical Climates.

NOTE: The above Instruments are suitable for short or long distances, and may be used as Bridging Sets when not more than four or five Instruments are connected in parallel on one line.

 

Taken from the Sterling Catalogue No. 11 & 12

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Last revised: April 08, 2001