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Photograph

William Dempster Hoard

Date: 1912
Description: A head and shoulders portrait of William Dempster Hoard (1836-1918).
Photograph

New Air Filter Developed

Date: 06 11 1958
Description: A.W. Brown of Research Products Corporation shows off the new "cut-to-size" piece of the firm's newly developed filter for room air conditioners.
Photograph

Geiger Counters Presented to University of Wisconsin

Date: 08 09 1957
Description: Richard C. Emmons (left), Professor of Geology at U.W., being presented thirteen Geiger counters and scintillation counters by E.L. Diener, manager of the ...

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