MAGNETO TELEPHONE, 1947

Internal extension for systems and switchboards that require magneto ringing, i.e., a hand cranked generator to create enough voltage to call, or ring the bell at the other end, otherwise the instrument is a standard telephone without a dial.
Although marked Phoenix Telephone & Electric Works Ltd
It is possible that this unit was manufactured by Ericsson.

Your comments:

• This item was manufactured by Ericsson
  .......... Malcolm Holt, Eaton Socon, St Neots, 29th of March 2013
  
  

A1473