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An experiment on the reactions of frogs' muscles in the science building at Iowa State College. Ames, Iowa
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An experiment on the reactions of frogs' muscles in the science building at Iowa State College. Ames, Iowa

Delano, Jack · 1942-01-01 · photo, print, drawing

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

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united statesstory countyamessafety film negativesiowa
Credit lineAn experiment on the reactions of frogs' muscles in the science building at Iowa State College. Ames, Iowa. 1942-01-01. Delano, Jack. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.
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