File:Buttergr.jpg
From Wikipedia, the free encyclopedia
Original file (700 × 613 pixels, file size: 171 KB, MIME type: image/jpeg)
This image is ineligible for copyright and therefore is in the public domain, because it consists entirely of information that is common property and contains no original authorship. PD Public domain false false |
Description |
Filter Response |
---|---|
Source |
Experimental Wireless page 536-541 |
Date |
October 1930 |
Author |
Stephen Butterworth 1885-1958 |
Permission (Reusing this file) |
See below.
|
This file is a candidate to be copied to Wikimedia Commons.
Any user may perform this transfer; refer to Wikipedia:Moving files to Commons for details. If this file has problems with attribution, copyright, or is otherwise ineligible for Commons, then remove this tag and DO NOT transfer it; repeat violators may be blocked from editing. Other Instructions
| |||
|
File history
Click on a date/time to view the file as it appeared at that time.
Date/Time | Thumbnail | Dimensions | User | Comment | |
---|---|---|---|---|---|
current | 05:42, 1 December 2012 | 700 × 613 (171 KB) | Dicklyon (talk | contribs) | better version from online paper, straightened | |
23:36, 6 February 2010 | 400 × 350 (44 KB) | Trojancowboy (talk | contribs) | {{Information |Description = Filter Response |Source = Experimental Wireless page 536-541 |Date = October 1930 |Author = Stephen Butterworth |Permission = British Admiralty |other_versions = }} |
You cannot overwrite this file.
File usage
Metadata
This file contains additional information, probably added from the digital camera or scanner used to create or digitize it.
If the file has been modified from its original state, some details may not fully reflect the modified file.
Orientation | Normal |
---|---|
Horizontal resolution | 72 dpi |
Vertical resolution | 72 dpi |
Software used | Adobe Photoshop CS5 Macintosh |
File change date and time | 21:42, 30 November 2012 |
Color space | Uncalibrated |
Date and time of digitizing | 13:32, 30 November 2012 |
Date metadata was last modified | 13:42, 30 November 2012 |
Unique ID of original document | xmp.did:F77F117407206811B057E20FEA8ECF43 |