Image:Gravity cell.gif
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[edit] Summary
Engraving of a gravity cell from the Cyclopedia of Telegraphy and Telephony, published in 1919.
[edit] Licensing
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This image is in the public domain in the United States. In most cases, this means that it was first published prior to January 1, 1923 (see the template documentation for more cases). Other jurisdictions may have other rules, and this image might not be in the public domain outside the United States. See Wikipedia:Public domain and Wikipedia:Copyrights for more details. |  |
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| Date/Time | Dimensions | User | Comment | |
|---|---|---|---|---|
| current | 12:13, 3 January 2007 | 553×700 (67 KB) | Kurzon (Talk | contribs) | (Engraving of a gravity cell from the Cyclopedia of Telegraphy and Telephony, published in 1919.) |
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