STERLING TELEPHONE AND ELECTRIC Co. Ltd | |||||||
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AUTOMATIC REPLY AND CALL BATTERY RINGING
TELEPHONES (SIDE STATIONS) No. U 510 The metal parts are Nickel-plated and the woodwork Solid Walnut. This telephone has an Ericsson handset cradle fitted. The Automatic Reply and Call System has been designed for cases where it is not desirable or convenient to use a Central Station Annunciator Switchboard. It is, generally speaking, most useful where the Principal wishes to call all the outer offices, or vice versa.
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Last revised: January 14, 2025FM2 |