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 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):-
1 x Condenser, M.C., No. 83.
1 x Cord, instrument, No. 249.
1 x Diaphragm, No. 12.
1 x Earpiece, No. 13.
1 x Transmitter, inset, No. 2.

To be requisitioned separately:-
1 x Plug No. 310, 409 or other suitable plug.

Telephone includes (1946 and 1956):-
1 x Coil, induction. No. 26.
1 x Mouthpiece No. 15 or Mouthpiece No. 18 (Mark 5).
1 x Condenser and resistor, No. 3.
1 x Receiver, Inset, No. 1L.
1 x Cord, Inst., No. 2/87F, Black, 48".
1 x Transmitter, Inset, No. 13.

Circuit diagram N 180.
Diagram A.T. 205.

Superseded by the Telephone No. 280.

ATM made some of these:-
Tele No. 80 Mk 236
Tele No. 80 Mk 5
Tele No. 80A

 

 

 

Telephone No. 80 Mark 5 - Front and back


Telephone 80A

 

 
 
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Last revised: September 20, 2019

FM