File:Early experimental non-magnetic Tape Recorder invented by the Volta Associates -Bell & Tainter -i013.jpg
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Size of this preview: 361 × 599 pixels. Other resolutions: 145 × 240 pixels | 436 × 723 pixels.
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 16:54, 6 March 2010 | 436 × 723 (42 KB) | commons>Harryzilber | {{Information |Description={{en|1=Volta Associates patent drawing from U. S. patent 341214, granted May 4, 1886, to Chichester Bell (A.G. Bell's cousin) and C. S. Tainter, all Associates of the Volta Laboratory created by Alexander Bell in 1880. |
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