File:US580035A Thaddeus Cahill, Telharmonium patent p.12.png
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editDescriptionUS580035A Thaddeus Cahill, Telharmonium patent p.12.png |
Telharmonium patent us000580035-011 page 12 of 55 by Thaddeus Cahill dated April 6, 1897, applied February 4, 1896 Source: [1] |
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creator QS:P170,Q1897946 |
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current | 02:17, 12 September 2007 | 2,320 × 3,408 (180 KB) | Wikibob~commonswiki (talk | contribs) | == Summary == {{Information| |Description= Telharmonium patent us000580035-011 page 12 of 55 by Thaddeus Cahill dated April 6, 1897, applied February 4, 1896 Source: [http://patimg1.uspto.gov/.piw?docid=US0005 |
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