File:Laeken, Belgium radiotelephone transmitter circa 1914.jpg
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Summary
| Description |
English: Photograph of a radiotelephone transmitter in use at the Laeken, Belgium radio station circa 1914. The device used a high-frequency spark transmitter developed by Riccardo Moretti of Rome and a microphone invented by Giovan Battista Marzi of Cornigliano Liguria, Italy. The station was under the oversight of Robert Goldschmidt. |
| Date | |
| Source | Photograph appearing on page 565 of the May 1917 issue of The Wireless Age, within the article "Radio Telephony: Article V" by Alfred N. Goldsmith. |
| Author | Magazine illustration |
Licensing
|
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. |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 22:04, 3 August 2017 | | 586 × 490 (145 KB) | Thomas H. White | User created page with UploadWizard |
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