File:Ernst Ruhmer demonstrating simple television system (1909).jpg
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| Description |
English: Photograph of Ernst Ruhmer demonstrating his experimental television system, which was capable of transmitting the images of simple shapes using a 25-element selenium cell receiver. The original caption read "Ruhmer's new apparatus for transmitting light by selenium cells." |
| Date | |
| Source | Illustration included in "Another Electric Distance-Seer", Literary Digest, September 11, 1909, page 384. |
| Author | Magazine article |
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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, 1929.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 00:39, 30 January 2018 | | 674 × 510 (151 KB) | Thomas H. White (talk | contribs) | User created page with UploadWizard |
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