WALL PATTERN RAILWAY TELEPHONE
No. U 400
Wall Pattern Telephone, comprising counter sunk Patent " Stannotype" shot Carbon Transmitter (No. U55), Induction Coil,
Double Pole " Ader" Type Receiver (No. U35), extra heavy Vulcanite Insulated
Auto matic Switch-Hook, Tapper Ringing Key, with Platinum Contacts, 8 Inch
Superior quality Call Bell, High Resistance Relay and Lightning Arrester.
Metal Parts, Hand Finished and Lacquered.
Woodwork, Solid, well Polished Walnut and Screwed Fronts.
Taken from the Sterling Catalogue No. 11 & 12
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