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):-
Telephone includes (1956):-
Made obsolete in 1947.
Circuit Diagram - N130.
Circuit Diagram - TL 230.
Last revised: November 21, 2021