S.T.C. Type 47001
P.A.B.X.


Used by other telephone administrations

The S.T. & C. 47001 P.A.B.X.

This PABX has a capacity of 70 lines.  If a called extension is busy, the caller can hold and if the called phone is replaced, will be connected.

Taken from an advert in the POEEJ Volume 19 dated July 1926

 

 

 
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