File:Sentry experiment.jpg
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Sentry_experiment.jpg (181 × 299 pixels, file size: 17 KB, MIME type: image/jpeg)
Sentry_experiment.jpg (181 × 299 pixels, file size: 17 KB, MIME type: image/jpeg)
DescriptionSentry experiment.jpg |
English: Derivative of File:Franklin Electricity figures.jpg
of the sentry and the shelter box taken from the multiple figures |
Date | |
Source |
Derivative from File:Franklin Electricity figures.jpg https://archive.org/details/experimentsobser00fran |
Author | Benjamin Franklin |
Public domainPublic domainfalsefalse |
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This work is in the public domain in its country of origin and other countries and areas where the copyright term is the author's life plus 70 years or fewer. 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. |
This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights. |
https://creativecommons.org/publicdomain/mark/1.0/PDMCreative Commons Public Domain Mark 1.0falsefalse
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current | 13:23, 1 January 2017 | ![]() | 181 × 299 (17 KB) | Doug Coldwell (talk | contribs) | User created page with UploadWizard |
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