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Photograph

Professor Davenport Fisher, Chemist

Date: 1870
Description: Vignetted carte-de-visite portrait of Professor Davenport Fisher (1832-1911), Milwaukee chemist. After earning his Ph.D. in Chemistry from Heidelberg Unive...
Photograph

Lesson on Eradication of Cattle Tick

Date: 1915
Description: A group of men, women, and children sitting on wooden benches inside Cottage Hill School as they watch Professor P.G. Holden give a presentation on the era...

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