TELEPHONE No. 84
This is an extendable handset, fitted with a press switch and is used on the Telephone No. 44 Mark N.T. 4.

It was formerly known as the "Micro Telephone, Hand, N.T. M.T.T." but later renamed as the Telephone No. 84.

Connected via a 4 way cord.

Found in the 1914, 1915 and 1928 Rate Books.

Telephone includes (1928):-
1 x Cord, Instrument No. 423.
1 x Diaphragm No. 18.
1 x Earpiece No. 8 or No. 9.
1 x Ring, Receiver, Adjusting N.T. No. 1.

Circuit diagram - N184.

Circuit diagram - N.T.A. 10230.

 
 
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Last revised: October 26, 2025

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