File:PSM V19 D339 Lampblack cell for sound generation by light.jpg
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Size of this preview: 341 × 600 pixels. Other resolutions: 136 × 240 pixels | 273 × 480 pixels | 926 × 1,628 pixels.
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 04:05, 21 August 2010 | 926 × 1,628 (163 KB) | Ineuw | {{Information |Description = Lampblack cell for sound generation by light |Source = http://en.wikisource.org/wiki/Page:Popular_Science_Monthly_Volume_19.djvu/339 |Date = 1881 |Author = Unknown |Permission = {{PD-old}} |other_versions = }} [[Catego |
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