French
DeutschFile:APPARATUS FOR TRANSMISSION OF ELECTRICAL ENERGY.gif
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Summary
| Description | English: Drawing from U.S. Patent No. 649,621, "Apparatus for Transmission of Electrical Energy" showing a system for the wireless transmission and reception of electrical energy through the earth’s rarefied upper atmosphere with ground for return. | ||||||||||||||||||||
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| Source | APPARATUS FOR TRANSMISSION OF ELECTRICAL ENERGY, Sept. 2, 1897, U.S. Patent No. 649,621, May 15, 1900. | ||||||||||||||||||||
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Licensing
 | The author died in 1943, so 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 80 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, 1930. |
| This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights. | |
File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 16:43, 5 December 2012 | | 3,331 × 5,426 (189 KB) | GLPeterson | User created page with UploadWizard |
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