File:US1970 18410210 mannerofconstructingtheactionpartofpianofortes fig1.svg
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Summary
[edit]DescriptionUS1970 18410210 mannerofconstructingtheactionpartofpianofortes fig1.svg |
English: From patent specification:
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Date | |
Source | Timothy Gilbert "Manner of constructing the Action part of Pianofortes" United States Patent no. 1,970 February 10, 1841 |
Author | Timothy Gilbert, traced and colorized by User:Mireut |
Licensing
[edit]Public domainPublic domainfalsefalse |
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The text and illustrations of US patents published before March 1, 1989 are in the public domain unless the patent text contains a specific notice that portions are copyrighted. See 37 CFR 1.71(d), 37 CFR 1.84(s)
The original patent contains no such notice, so its contents are in the public domain. Note: This only applies to images published before March 1, 1989. Patents published after that date are most likely copyrighted, unless in the public domain for another reason, such as {{PD-ineligible}}. |
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 14:20, 30 December 2012 | ![]() | 539 × 327 (106 KB) | Mireut (talk | contribs) | inkscape svg -> plain svg |
02:01, 30 December 2012 | ![]() | 539 × 327 (120 KB) | Mireut (talk | contribs) | {{Information |Description ={{en|1=From patent specification: <blockquote> <p>A, Fig. 1, is the key, supported and moving on a fulcrum at <i>a</i> in the usual manner.</p> <p>B is the jack attached to the key.</p> <p>C is the fly or sticker opera... |
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Short title | generated by pstoedit version:3.45 from C:/windows/TEMP/gsviewa60837 |
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Width | 539.30511 |
Height | 327.40201 |