Public domain
Parke, Davis and Company, manufacturing chemists, Detroit, Michigan. Cell of Tiselius apparatus for the electrophoreses of proteins
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Credit lineParke, Davis and Company, manufacturing chemists, Detroit, Michigan. Cell of Tiselius apparatus for the electrophoreses of proteins. 1943-01-01. Siegel, Arthur S.. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.
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