File:2A3 schematic Thordarson 1937.png
From Wikimedia Commons, the free media repository
Jump to navigation
Jump to search
Size of this preview: 800 × 318 pixels. Other resolutions: 320 × 127 pixels | 640 × 254 pixels | 1,024 × 407 pixels | 2,247 × 892 pixels.
Original file (2,247 × 892 pixels, file size: 98 KB, MIME type: image/png)
File information
Structured data
Captions
Description2A3 schematic Thordarson 1937.png |
English: A typical 1930s public address amplifier - adapted from the 1937 Thordarson brochure (the original had 4, not 2 output tubes) Русский: Типичный недорогой усилитель 1930-х на триодах прямого накала - по материалам Thordarson, 1937 |
Date | |
Source | Own work |
Author | Retired electrician adapted from Thordarson 1937 brochure page 6 |
This circuit image could be re-created using vector graphics as an SVG file. This has several advantages; see Commons:Media for cleanup for more information. If an SVG form of this image is available, please upload it and afterwards replace this template with
{{vector version available|new image name}} .
It is recommended to name the SVG file “2A3 schematic Thordarson 1937.svg”—then the template Vector version available (or Vva) does not need the new image name parameter. |
Public domainPublic domainfalsefalse |
This work is ineligible for copyright and therefore in the public domain because it consists entirely of information that is common property and contains no original authorship. |
File history
Click on a date/time to view the file as it appeared at that time.
Date/Time | Thumbnail | Dimensions | User | Comment | |
---|---|---|---|---|---|
current | 08:55, 1 January 2017 | 2,247 × 892 (98 KB) | Retired electrician (talk | contribs) | 2.5!!! | |
08:53, 1 January 2017 | 2,247 × 892 (103 KB) | Retired electrician (talk | contribs) | {{Information |Description={{en|A typical 1930s public address amplifier - adapted from the 1937 Thordarson brochure (the original had 4, not 2 output tubes)}}{{ru|Типичный недорогой усилитель 1930-х на триодах пр... |
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 ru.wikipedia.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.
Horizontal resolution | 47.24 dpc |
---|---|
Vertical resolution | 47.24 dpc |