![](http://www.alamy.com/thumbs/6/C7E946B5-E109-4FE8-8D07-82BE9B82BEC0/PA2384.jpg)
628 ETH-BIB-Paul-Armand Challemel-Lacour (1827-1896), Professor am eidg. Polytechnikum 1856-1859-Portrait-Portr (cropped)(signature)
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