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Fraunhofer, Joseph von

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Dictionaries
1910 New Catholic Dictionary
• Joseph von Fraunhofer
• Fraunhofer, Joseph von
Encyclopedias
1911 Encyclopedia Britannica
• Joseph von Fraunhofer
The Nuttall Encyclopedia
• Fraunhofer, Joseph von
The Catholic Encyclopedia
• Joseph von Fraunhofer

German optician, born in Straubing, Bavaria; after serving an apprenticeship as a glass-cutter in Münich, he rose to be manager of an optical institute there, and eventually attained to the position of professor in the Academy of Sciences; his name is associated with many discoveries in optical science as well as inventions and improvements in the optician's art; but he is chiefly remembered for his discovery of the dark lines in the solar spectrum, since called after him the Fraunhofer lines (1787-1826).