Siemens Brothers No. 350

The Siemens No's 350 and 356 are directly equivalent to the BPO No. 332 and the similarity of its number to BPO telephones in the 300 series can cause confusion.

Colours:
Black, possibly others.

Users:
The No. 350 saw widespread use on private systems installed by Siemens Brothers Private Telephone Department.

Diagram - T19270A.

See BPO Telephone No. 332 for conversion to UK Plug and Socket.

Parts List for 350

Front view showing well worn handset cord

Internal view

Note that the diagram label states both 342 and 350 models

Last revised: October 09, 2025

FM2