Keywords: FRAUNHOFER2.JPG nl wikipedia 2009 October 25 nl Joseph von Fraunhofer Transferred from http //nl wikipedia org nl wikipedia<br/> Original text Eigentijdse gravure Zie ook http //www britannica com/EBchecked/topic/217618/Joseph-von-Fraunhofer circa 1800 1820 <br/> 2005 08 19 first version ; 2005 08 19 last version author Original uploader was Josdb at http //nl wikipedia org nl wikipedia PD-ART; PD-Art PD-old Original upload log page nl wikipedia FRAUNHOFER2 JPG 2005-08-19 23 56 Josdb 200×285× 22089 bytes <nowiki>public domain</nowiki> 2005-08-19 20 09 Josdb 200×285× 22089 bytes <nowiki></nowiki> Joseph von Fraunhofer |