File:Coherer Rcvr.jpg
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Summary
| Description |
Deutsch: Fritter |
| Date | |
| Source | "Elements of Radiotelegraphy", published in USA 1922 First upload: en:Image:Coherer Rcvr.jpg |
| Author | Unknown author |
Licensing
|
The text and illustrations of US patents published before March 1, 1989 are in the public domain unless the patent text contains a specific notice that portions are copyrighted. See 37 CFR 1.71(d), 37 CFR 1.84(s)
The original patent contains no such notice, so its contents are in the public domain. Note: This only applies to images published before March 1, 1989. Patents published after that date are most likely copyrighted, unless in the public domain for another reason, such as {{PD-ineligible}}. |
Original upload log
Transferred from de.wikipedia to Commons by Wdwdbot using script bot_filetrans.pl (r46M).
The original description page was here. All following user names refer to de.wikipedia.
- 2008-10-30 19:15:03 Biezl (47206 Bytes) {{Information |Beschreibung = [[Fritter]] |Quelle = [[:en:Image:Coherer Rcvr.jpg]] |Urheber = unknown |Datum = 1923 |Genehmigung = |Andere Versionen = |Anmerkungen = }} {{Schöpfungshöhe}}
File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 20:24, 14 March 2016 | | 865 × 664 (46 KB) | wikimediacommons>Wdwdbot | Bot Move: Original uploader of this revision (#1) was Biezl at de.wikipedia |
File usage
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