TELEPHONE No. 80 | |||||||
![]() 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 Superseded by the Telephone No. 280. ATM made some of these:-
Telephone No. 80 Mark 5 - Front and back
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Last revised: November 27, 2020FM |