File:NSRW Telegraphy, Wireless - receiver.png
Original file (703 × 891 pixels, file size: 92 KB, MIME type: image/png)
Captions
Summary[edit]
DescriptionNSRW Telegraphy, Wireless - receiver.png |
English: Receiver circuit diagram for wireless telegraphy: (T) coherer; (A) vertical wire; (E) ground; (R) relay; (M) sounder or recorder; (t) tapper. |
|||
Date | published 1914 | |||
Source | “Telegraphy, Wireless,” The New Student's Reference Work, v. 4, p. 1882, fig. III. | |||
Author | Unknown authorUnknown author | |||
Permission (Reusing this file) |
|
|
This file has been extracted from an original image in The New Student's Reference Work: File:LA2-NSRW-4-0428.jpg. |
Public domainPublic domainfalsefalse |
The author died in 1936, 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, 1929. | |
This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights. |
https://creativecommons.org/publicdomain/mark/1.0/PDMCreative Commons Public Domain Mark 1.0falsefalse
File history
Click on a date/time to view the file as it appeared at that time.
Date/Time | Thumbnail | Dimensions | User | Comment | |
---|---|---|---|---|---|
current | 21:41, 22 February 2018 | 703 × 891 (92 KB) | Bob Burkhardt (talk | contribs) | {{Information |description ={{en|1=Receiver circuit diagram for wireless telegraphy: (''T'') coherer; (''A'') vertical wire; (''E'') ground; (''R'') relay; (''M'') sounder or recorder; (''t'') tapper.}} |source =“Telegraphy, Wireless,” ''The New Student's Reference Work'', v. 4, p. 1882, fig. III. |author ={{unknown}} |date =published 1914 |permission ={{PD-1923}} }} Category:Wireless telegraphy Category:Radio circuits |
You cannot overwrite this file.
File usage on Commons
There are no pages that use this file.
File usage on other wikis
The following other wikis use this file:
- Usage on en.wikisource.org