ERICSSON
TELEPHONE No. N2500 & N2501
 
Magneto Wall Telephone


n2500.jpg (12143 bytes)A robust and powerful instrument, specially designed where a separate receiver and transmitter is desired.

Matt polished woodwork with the metal fittings finished in good quality, black and copper bronze.

All terminals are enclosed.
Sensitive polarised ringer.
Powerful generator.
Solid back transmitter.
Double pole "Bell" receiver.
Induction coil.

The battery compartment will accommodate 2 cells each having maximum dimensions of 3.8 x 3.8 x 7.5 inches.

The wiring is so arranged that a condenser may be readily added in the ringer or receiver circuit, as desired.

Telephone N2500 is shown pictured.  The N2501 is similar externally but has a heavy duty generator fitted.

Parts Part Number
Receiver   N6801
Cord   N4060
Transmitter   N7701

 

Code No.   Circuit description   Generator magnets   Ringer ohms   Dimensions   Weight lb.
N2500   Standard bridging   4   1000   16.75 x 10 x 10.5   17
N2501   Heavy bridging   5   2000   16.75 x 10 x 10.5   18


A similar instrument, without generator, can be supplied for use on central battery signalling systems.

Taken from the Ericsson catalogue, edition 26

Link to the Australian Automatic version

Used in Australia - Type 135MW

 

 
 
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Last revised: December 27, 2023

FM2