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Parke, Davis and Company, manufacturing chemists, Detroit, Michigan. Checking the daily weight of rats used in vitamin testing
Public domain

Parke, Davis and Company, manufacturing chemists, Detroit, Michigan. Checking the daily weight of rats used in vitamin testing

Siegel, Arthur S. · 1943-01-01 · photo, print, drawing

From the collection of Library of Congress. Free to download, adapt and use — no permission needed.

Subjects
detroitmichigansafety film negativesunited stateswayne county
Credit lineParke, Davis and Company, manufacturing chemists, Detroit, Michigan. Checking the daily weight of rats used in vitamin testing. 1943-01-01. Siegel, Arthur S.. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.
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