Genauer: Brillenschleifer. 1608 präsentierte Zacharias Janssen sein zusammengesetztes Mikroskop auf der Frankfurter Messe. Damit war er Galileo Galilei … | Security
Zacharias Janssen - Wikipedia
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Optical microscope - wikidoc
SACHARIAS JANSEN MIKROSKOP. a Dutch spectacle-maker from Middelburg He was born in 1580 in Hague His name is often written as – Zacharias Jansen – Zacharias. - ppt download