File:Das orthoskopische Ocular von Carl Kellner.jpg
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English: Title page of the book by Carl Kellner: "Das orthoskopische Ocular" |
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Title page of this book: Carl Kellner: Das orthoskopische Ocular, eine neu erfundene achromatische Linsenkombination, welche dem astronomischen Fernrohr, mit Einschluss des dialytischn Rohrs, und dem Mikroskop, bei einem sehr großen Gesichtsfeld, ein vollkommen ungekrümmtes, perspektivisch richtiges, seiner ganzen Ausdehnung nach scharfes Bild ertheilt, so wie auch den blauen Rand des Gesichtsraumes aufhebt. Friedrich Vieweg und Sohn, Braunschweig 1849 Google Books |
| Author | Carl Kellner (1828 - 1855) |
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This work is in the public domain in its country of origin and other countries and areas where the copyright term is the author's life plus 70 years or fewer. This work is in the public domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1929. |
| This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights. | |
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| current | 14:40, 20 January 2019 | | 736 × 1,223 (109 KB) | Dietzel65 (talk | contribs) | User created page with UploadWizard |
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