Photophony1.jpg (577 × 384 pixels, file size: 24 KB, MIME type: image/jpeg)
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 19:07, 18 February 2010 | ![]() | 577 × 384 (24 KB) | Harryzilber | {{Information |Description={{en|1=Illustration of the photophone's receiver, originally from: SILVANUS P. THOMPSON. "Notes on the Construction of the Photophone." Phys. Soc.Proc., Vol. 4, 1881, pps.184-190. Also in Phil. Mag., Vol. 11, 1881, pp. 286-291. |
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