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File:The Violetta - EMF Electrical Year Book (1.n, p. 791) - 1921.jpg
From Kook Science
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The_Violetta_-_EMF_Electrical_Year_Book_(1.n,_p._791)_-_1921.jpg (580 × 595 pixels, file size: 88 KB, MIME type: image/jpeg)
Summary
| Description |
Grayscale image of the "Violetta", a violet ray-type device that was marketed as an instrument for electro-therapy. |
|---|---|
| Source |
EMF Electrical Year Book v.1 (1921), p. 791 |
| Date |
1921 |
| Author |
Bleadon-Dun Co. |
| Permission |
Copyright expired, originally printed prior to 1923 in U.S. |
Licensing
 | This file has been released into the public domain by the copyright holder, its copyright has expired, or it is ineligible for copyright. |
File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 15:29, 11 March 2016 | | 580 × 595 (88 KB) | TK (talk | contribs) | {{Information |Description = Grayscale image of the "Violetta", a violet ray-type device that was marketed as an instrument for electro-therapy. |Source = <em>EMF Electrical Year Book</em> v.1 (1921), p. 791 |Date... |
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