File:Greenleaf_Whittier_Pickard_in_his_Boston_laboratory.PNG
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Greenleaf_Whittier_Pickard_in_his_Boston_laboratory.PNG (382 × 404 pixels, file size: 326 KB, MIME type: image/png)
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Summary
DescriptionGreenleaf Whittier Pickard in his Boston laboratory.PNG |
English: Picture of radio pioneer G.W. Pickard in his laboratory. Published in an interview by Popular Science Monthly |
Date | |
Source | Popular Science, September 1922 |
Author | Interview "In Justice to the Crystal Detector" |
Boston, Massachusetts
Licensing
Public domainPublic domainfalsefalse |
This media file is in the public domain in the United States. This applies to U.S. works where the copyright has expired, often because its first publication occurred prior to January 1, 1929, and if not then due to lack of notice or renewal. See this page for further explanation.
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15 June 2013
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 15:49, 15 June 2013 | 382 × 404 (326 KB) | Arjen Dijksman | User created page with UploadWizard |
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