ERICSSON TELEPHONE No. N5890
Metal cased test telephone with dial. It contains a 0.3uf capacitor, 600 ohm resistor and 1200 ohm resistor.
Taken from the Ericsson Catalogue No. 55
Metal cased test telephone with dial. It contains a 0.3uf capacitor,
600 ohm resistor and 1200 ohm resistor.