File:Holtzer Cabot Wireless Head Normal Receivers.png

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Holtzer_Cabot_Wireless_Head_Normal_Receivers.png ‎(478 × 331 pixels, file size: 119 KB, MIME type: image/png)

Captions

Captions

Holtzer Cabot telephone receivers for operators, homes, and wireless operators; early ad for headphones 1909

Summary[edit]

Description
English: Holtzer Cabot telephone receivers for operators, homes, and wireless operators; early ad for headphones 1909.
Date
Source https://books.google.com/books?id=7Hs3AQAAMAAJ&pg=RA5-PA10
Author Holtzer Cabot

Licensing[edit]

Public domain
This work is in the public domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1929.
Public domain works must be out of copyright in both the United States and in the source country of the work in order to be hosted on the Commons. If the work is not a U.S. work, the file must have an additional copyright tag indicating the copyright status in the source country.
Note: This tag should not be used for sound recordings.PD-1923Public domain in the United States//commons.wikimedia.org/wiki/File:Holtzer_Cabot_Wireless_Head_Normal_Receivers.png

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current15:51, 30 April 2023Thumbnail for version as of 15:51, 30 April 2023478 × 331 (119 KB)Guest2625 (talk | contribs)Uploaded a work by Holtzer Cabot from https://books.google.com/books?id=7Hs3AQAAMAAJ&pg=RA5-PA10 with UploadWizard

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