File:Corn cob pipe catwhisker radio 1922 (cropped).png
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Corn_cob_pipe_catwhisker_radio_1922_(cropped).png (207 × 343 pixels, file size: 149 KB, MIME type: image/png)
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Summary
[edit]DescriptionCorn cob pipe catwhisker radio 1922 (cropped).png |
English: A small novelty crystal radio built into a corn-cob pipe. |
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Date | ||||||||
Source | Downloaded from Jack Binns, On the Crest of the Radio Wave in Popular Science, Vol. 101, No. 3 Sept. 1922, Modern Publishing Co., New York, p. 70 on Google Books | |||||||
Author | Unknown authorUnknown author | |||||||
Permission (Reusing this file) |
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Annotations InfoField | This image is annotated: View the annotations at Commons |
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 08:13, 20 November 2023 | 207 × 343 (149 KB) | Денис1980м (talk | contribs) | File:Corn cob pipe catwhisker radio 1922.png cropped 31 % horizontally, 56 % vertically using CropTool with precise mode. |
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Horizontal resolution | 28.35 dpc |
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Vertical resolution | 28.35 dpc |
File change date and time | 08:13, 20 November 2023 |