STERLING TELEPHONE AND ELECTRIC Co. Ltd
Sterling Interphones

SECRET CONVERSATION
LAMP SIGNALLING DOUBLE-LINE INTERPHONES

No U 486
Wall Pattern, Secret Conversation Telephone, comprising:-
Lamp Indicators, Standard pattern Hand Combination, Automatic Switch Cradle, Induction Coil, Call buzzer, Automatic Replacement Line Selectors.

The metal parts are Steel Bronzed and the woodwork is solid Walnut.

 

 

No. U 491
Table Telephone, comprising:-
The same parts as No. U 486, but with the addition of Multiple Flexible Cord and Wall Terminal Box.

 

 


Taken from the Sterling Catalogue No. 11 & 12

 

 
 
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