File:William Eccles (1925).jpg
From Wikimedia Commons, the free media repository
Jump to navigation
Jump to search
William_Eccles_(1925).jpg (606 × 465 pixels, file size: 75 KB, MIME type: image/jpeg)
File information
Structured data
Captions
Summary
[edit]DescriptionWilliam Eccles (1925).jpg |
English: Original caption: "WILLIAM H. ECCLES: Demonstrating at a lecture at the Imperial College of Science in London a circuit on which he has spent much time, which is to bring about a new method of wireless communication. The sending apparatus produces easily recognizable musical chords at the receiving station. The most common chords would be assigned to the vowel sounds. Dr. Eccles is Professor of Applied Physics and Electrical Engineering at the London Technical College and a well-known authority on radio." |
Date | |
Source | Photograph that appeared on page 228 of the June 1925 issue of Radio Broadcast magazine |
Author | Uncredited |
Licensing
[edit]Public domainPublic domainfalsefalse |
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.PD-1923Public domain in the United States//commons.wikimedia.org/wiki/File:William_Eccles_(1925).jpg |
File history
Click on a date/time to view the file as it appeared at that time.
Date/Time | Thumbnail | Dimensions | User | Comment | |
---|---|---|---|---|---|
current | 23:26, 11 April 2021 | 606 × 465 (75 KB) | Thomas H. White (talk | contribs) | Uploaded a work by Uncredited from Photograph that appeared on page 228 of the June 1925 issue of Radio Broadcast magazine with UploadWizard |
You cannot overwrite this file.
File usage on Commons
The following page uses this file:
File usage on other wikis
The following other wikis use this file:
- Usage on de.wikipedia.org
- Usage on en.wikipedia.org
- Usage on fr.wikipedia.org
- Usage on ht.wikipedia.org
- Usage on ko.wikipedia.org
- Usage on mg.wikipedia.org
- Usage on ru.wikipedia.org
- Usage on www.wikidata.org
Metadata
This file contains additional information such as Exif metadata which may have been added by the digital camera, scanner, or software program used to create or digitize it. If the file has been modified from its original state, some details such as the timestamp may not fully reflect those of the original file. The timestamp is only as accurate as the clock in the camera, and it may be completely wrong.
Orientation | Normal |
---|---|
Horizontal resolution | 72 dpi |
Vertical resolution | 72 dpi |
Software used | Adobe Photoshop Elements 2.0 |
File change date and time | 18:55, 11 April 2021 |
Color space | Uncalibrated |
Structured data
Items portrayed in this file
depicts
Hidden category: