TELEPHONE No's N8420 - N8427

Convertible Telephone

Telephone that can be arranged to be convertible to any of the following systems.  Wall model is just the table model fitted to a metal wall bracket.

Code No. Type
N8420 Table
N8421 Table
N8422 Wall
N8423 Wall
N8424 Table
N8425 Table
N8426 Wall
N8427 Wall


Suffix letter System
K Magneto
L Magneto with loop auto clearing
M Magneto with auto clear
N Magneto RSAX earth clear
P CBS No's 2 & 3
R CBS No. 1
S Party line CBS No. 1
W Automatic

Click here on how to identity different models and circuit diagrams

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Last revised: February 23, 2022