File:Armstron 1922 IRE figure 4.png
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Size of this preview: 542 × 599 pixels. Other resolutions: 217 × 240 pixels | 434 × 480 pixels | 695 × 768 pixels | 1,119 × 1,237 pixels.
Original file (1,119 × 1,237 pixels, file size: 153 KB, MIME type: image/png)
Summary
| Description |
English: 1922 armstrong paper figure 4 |
| Date | |
| Source | 1922 proceedings of the IRE |
| Author | Edwin H. Armstrong |
Licensing
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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, 1931.
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Note: This tag should not be used for sound recordings. |
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File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 01:11, 17 February 2026 | | 1,119 × 1,237 (153 KB) | wikimediacommons>WhaleFarm | Uploaded a work by Edwin H. Armstrong from 1922 proceedings of the IRE with UploadWizard |
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