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Siemens and Halske early dial telephone

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About This Phone

ZB-SA table-top telephone, c. 1912, manufactured under Strowger patent, black-lacquered metal case with nickel-plated fork, number switch lock present, handset with speaking horn.

Related PDFs

Siemens and Halske 1912 catalog
Siemens and Halske 1912 catalog
1912