Size of this preview: 685 × 600 pixels. Other resolutions: 274 × 240 pixels | 548 × 480 pixels | 700 × 613 pixels.
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. |
| 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
The following pages on the English Wikipedia use this file (pages on other projects are not listed):
