“FERRO-CASE” TELEPHONES(BATTERY RINGING)
“FERRO-CASE” TELEPHONES
(BATTERY RINGING)
An Entirely New Departure
Telephones in highly-finished Stove-Enamelled Drawn Steel Cases of handsome appearance, very strong, and suitable for all Climates. External Metal Fittings Nickel-plated and Polished.
No. U 206
Steel Case Wall Telephone for local battery work, comprising: Non-packing Inset Transmitter, Induction Coil, Double Pole Watch Receiver, Double Gong Battery Ringing Call Bell, Automatic Switch hook and Ringing Key.
Taken from the Sterling Catalogue No. 11 & 12
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