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File:Charles Herrold laboratory circa 1912.jpg

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Summary

Description
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

Licensing

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:Charles_Herrold_laboratory_circa_1912.jpg

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1 July 1919Gregorian

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57db5585cfd43af32226b5d4eb9a531c273d8e64

357,171 byte

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1,078 pixel

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Date/TimeThumbnailDimensionsUserComment
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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