File:EB1911 Telephone - Fig. 7.png

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Summary

Description
English: Fig. 7.—Telephone Set with Transmitter in a Local Circuit.
Date
Source https://en.wikisource.org/wiki/Page:EB1911_-_Volume_26.djvu/580
Author Encyclopædia Britannica

Licensing

Public domain This image comes from the 13th edition of the Encyclopædia Britannica or earlier. The copyrights for that book have expired in the United States because the book was first published in the US with the publication occurring before January 1, 1929. As such, this image is in the public domain in the United States.

Captions

Fig. 7.—Telephone Set with Transmitter in a Local Circuit.

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current15:00, 3 February 2023Thumbnail for version as of 15:00, 3 February 2023850 × 351 (32 KB)Sp1nd01Uploaded a work by Encyclopædia Britannica from https://en.wikisource.org/wiki/Page:EB1911_-_Volume_26.djvu/580 with UploadWizard

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