TELEPHONE No. 329 | |||||||
This telephone has a magneto bell and provision in the Bakelite case moulding for
three additional keys/press buttons. Circuit diagram - N429. Diagram for Button labels - N620. History, Technical and General Information on 300 type telephones Development of the Bakelite Wall Telephone Keys for use in 300 type Wall and Table Telephones Comparison chart of GPO 300 type telephones
Internal view showing a Key No. 303A installed
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Last revised: November 20, 2021FM |