File:PSM V84 D419 Magnetic work of the department of terrestrial magnetism.jpg
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Summary
| Description | The magnetic work of the Department of Terrestrial Magnetism, showing the ocean cruises and land stations. | |||
| Date | ||||
| Source | The Popular science monthly, Volume 84, p415. New York, Popular Science Pub. Co., March 1914. Online: archive.org. | |||
| Author | Uncredited | |||
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Licensing
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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, 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. |
File history
Click on a date/time to view the file as it appeared at that time.
| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 14:13, 15 January 2014 | | 1,647 × 1,213 (428 KB) | Ineuw | Background change to white |
| 20:49, 14 March 2011 |  | 1,720 × 1,248 (432 KB) | Martin H. |
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