SIEMENS BROTHERS No. 90

Bakelite table telephone with dial.

No information except that the circuit diagram is the same as the Telephone No. 82.

Click here for more information on the Telephone No. 162

Click here for the Canadian Patent 318321 - Handset Drawing
Click here for the Canadian Patent 318321 - Handset Description
Click here for the Canadian Patent 318321 - Handset Claims

Last revised: July 27, 2021

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