File:GAALT patent diagram.png
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Size of this preview: 450 × 600 pixels. Other resolution: 475 × 633 pixels.
Original file (475 × 633 pixels, file size: 74 KB, MIME type: image/png)
Diagram for Donald Beatty's "Gain-Adjusting Audio Level Terminator" (GAALT), 1965
| Public Domain | |
| This work was published in the United States before 1928 and is now presumed to be in the public domain. | |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 12:41, 13 February 2011 | | 475 × 633 (74 KB) | Dystopos (talk | contribs) | Diagram for Donald Beatty's "Gain-Adjusting Audio Level Terminator" (GAALT), 1965 {{PD}} |
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