Advertisement for Dowflake Calcium Chloride, a product of the Dow Chemical Company marketed for use as a deicer and to stabilize road surfaces. The advertisement features an icy residential street being treated with Dowflake dispensed from a truck at the center of the road.
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Dow Chemical Company. “Putting Safety on Ice,” 1938. Advertisements from the Dow Chemical Historical Collection, Box 7. Science History Institute. Philadelphia. https://digital.sciencehistory.org/works/3197xm76s.
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