File:Tungsram H2 radio transmitter tube 1916.jpg
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Captions
Tungsram H2 radio transmitter tube
Summary[edit]
| Description |
English: The Tungram Company designed the "H2" Tube for portable radio audio communication in 1916. Hungarian produced Version of KLERA mobile radio transmitter/receiver devices. The mass production started in 1917. |
| Date | |
| Source | https://docplayer.hu/7630764-Www-radiomuseum-hu-a-90-eves-tungsram-vevocsogyartasanak-tortenete-meszaros-sandor-tungsram-rt.html |
| Author | Tungsram advertisement |
Licensing[edit]
|
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 | 12:44, 3 May 2019 | | 288 × 480 (19 KB) | Draguler (talk | contribs) | User created page with UploadWizard |
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