Color print advertisement for the Dow Chemical Company featuring a farm scene centered upon a woman stirring a large cauldron over a fire. The accompanying text details the use of caustic soda (sodium hydroxide) manufactured and sold by Dow to aid modern food processing, specifically the purification of shortenings and the peeling of fruits and vegetables in the canning industry.
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Dow Chemical Company. “Food Processing...in Grandmother's Time,” 1951. Advertisements from the Dow Chemical Historical Collection, Box 7. Science History Institute. Philadelphia. https://digital.sciencehistory.org/works/zp38wd363.
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