STERLING TELEPHONE AND ELECTRIC Co. Ltd
AUTOMATIC REPLY AND CALL BATTERY RINGING TELEPHONES
(SIDE STATIONS)

No. U 500

Reply and Call Wall Telephone, comprising:
Granular Carbon Transmitter (No. U 45), Induction Coil, Double Pole Watch Receiver (No. U 30). Call Bell, Automatic Switch Hook and Patent Combined Ringing Key and Call Wire Selector.

Metal Parts Nickel-plated Woodwork Solid Walnut.


Taken from the Sterling Catalogue No. 11 & 12

 
 
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Last revised: April 28, 2021

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