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File:Charles Herrold laboratory circa 1912.jpg

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    English: Photograph of Charles Herrold's San Jose California radio laboratory, circa 1912. Herrold is standing in the doorway. According to Thorn L. Mayes' "Wireless Communication in the United States" (page 204), the individuals pictured are, left-to-right: Kenneth Saunders, E. A. Portal, Herrold and Frank Schmidt.
    Date
    Source Photograph included in the article "Experiments on Ground Antenna with Their Relation to Atmospherics" by Charles D. Herrold, which appeared on page 11 of the July 1919 issue of Radio Amateur News
    Author Magazine illustration

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    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, 1931.

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    Note: This tag should not be used for sound recordings.PD-1923Public domain in the United States//commons.wikimedia.org/wiki/File:Charles_Herrold_laboratory_circa_1912.jpg

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    current17:25, 14 February 2018Thumbnail for version as of 17:25, 14 February 20181,078 × 845 (349 KB)Thomas H. WhiteUser created page with UploadWizard

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