TELEPHONE No. 80
|Metal cased hand held test telephone for in telephone exchanges. Fitted with press switch and loop suspension.
No dial is fitted to these telephones.
Picture to the right shows a Mark 236 (1928 model).
Telephone No. 80A - Handset telephone similar to No. 80 but provided with a separate speaking battery feed to permit its use on dry loop circuits. Required initially for maintenance officers on 2 V.F. circuits.
Telephone includes (1928):-
To be requisitioned separately:-
Telephone includes (1946 and 1956):-
Circuit diagram - N 180.
Superseded by the Telephone No. 280.
Telephone No. 80 Mark 5 - Front and back
Last revised: November 27, 2020