TELEPHONE No. 30

Handset with press button in handle used on House telephones.

Two wire connection to handset and microphone and receiver are in series.

Used on Telephone No's 29, 31, 33 & 35.

Telephone includes (1928):-
1 x Cord, Instrument No. 219.
1 x Diaphragm No. 18.
1 x Earpiece No. 8.

Telephone includes (1956):-
1 x Cord, Instrument No. 2/19A, Brown, 48".
1 x Diaphragm No. 18.
1 x Earpiece No. 9.

Made obsolete in 1947.

Circuit Diagram - N130.

Circuit Diagram - TL 230.

Information on all House telephone systems

Last revised: November 21, 2021