![](http://www.alamy.com/thumbs/6/3E904292-A074-4273-A512-487B75C9B6F9/PA0P2C.jpg)
Beschriftung: Prof. Dr. A Wolfer 628 ETH-BIB-Wolfer, Alfred (1854-1931), Ingenieur - Schule, Eidgenössisches Polytechnikum Zürich, 1899-1903-Portrait-Portr 02360-029-AL
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Photo credit: © History and Art Collection / Alamy / Afripics
License: Licensed
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