New Zealand Post Office
Telephone HB870
Automatic, Intermediate, Bakelite table telephone.

The intermediate set allows two extensions the use of the exchange line, as well as intercommunication, and is ideal for the executive with secretary.

This telephone has two press buttons which are used to call the extension telephones.  The extension telephones require a DC bell or buzzer for intercommunication.

Manufactured by British Ericsson, their models N1047H4 and N1047H18.
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Last revised December 24, 2025

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