File:Brennspiegel von Tschirnhaus.jpg
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DescriptionBrennspiegel von Tschirnhaus.jpg |
Deutsch: Größter Brennspiegel von Ehrenfried Walther von Tschirnhaus aus silberhaltigem Kupfer gefertigt und 1686 fertiggestellt, im Jahre 1690 dem Kurfürst Johann Georg III. von Sachsen überreicht. Durchmesser 1,625m. Brennweite 1,13m. Das Original befindet sich im Staatlichen Mathematisch-Physikalischen Salon Dresden. |
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Source | Abbildung aus dem Buch: "Tschirnhaus oder Böttger?" von Prof. Curt Reinhardt Eine urkundliche Geschichte der Erfindung des Meißener Porzellans. In: Neues Lausitzisches Magazin, Band 88, 1912. | |||||
Author | Ehrenfried Walther von Tschirnhaus | |||||
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Other versions | http://de.wikipedia.org/wiki/Bild:Brennspiegel_von_Tschirnhaus.jpg |
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current | 21:32, 13 August 2008 | 473 × 800 (60 KB) | Dzidan1 (talk | contribs) | {{Information |Description= |Source= |Date= |Author= |Permission= |other_versions=http://de.wikipedia.org/wiki/Bild:Brennspiegel_von_Tschirnhaus.jpg }} Category:Ehrenfried Walther von Tschirnhaus <!--{{ImageUpload|basic}}--> |
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