![](http://www.alamy.com/thumbs/6/B2B8A0B3-257F-41D6-9877-0366742CFD1E/PA2385.jpg)
628 ETH-BIB-Paul-Armand Challemel-Lacour (1827-1896), Professor am eidg. Polytechnikum 1856-1859-Portrait-Portr (cropped)
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