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. |
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Last revised: November 21, 2021FM |