Public domain
Synthetic rubber (Ameripol). These control instruments in the Akron, Ohio, synthetic rubber plant of the B.F. Goodrich Company, maintain the proper temperature and pressure in the polymerizer tanks where raw material monomers are changed into polymers
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Credit lineSynthetic rubber (Ameripol). These control instruments in the Akron, Ohio, synthetic rubber plant of the B.F. Goodrich Company, maintain the proper temperature and pressure in the polymerizer tanks wh. 1942-01-01. United States. Office Of War Information, Palmer, Alfred T.. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.
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