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    • 1891 – 1893

    Letter copying book containing accounting reports and business correspondence of Herbert H. Dow as head of the Midland Chemical Company, 1891-1893. The Midland Chemical Company was Dow's second commercial venture, and…

    • 1897-May-21

    Press clippling from The Midland Sun, May 21, 1897.

    • 1897 – 1900-Aug

    Selected pages are digitized here.

    • 1915

    Blank and unregistered stock certificate for the Dow Chemical Company (#000000). "Capital" stock is printed on the certificate, but "Common" has been handwritten to replace all mentions of "Capital."

    • 1923

    Advertisement for Dowflake Calcium Chloride, a product of the Dow Chemical Company marketed for use to control dust on unpaved roads and parking lots, as well as a roadway deicer. The advertisement details the nuisance…

    • 1924

    Sales pamphlet for Dowflake Calcium Chloride, a product of the Dow Chemical Company marketed for use to control dust on unpaved roads and parking lots, as well as a roadway deicer. The pamphlet details the nuisance of…

    • circa 1925

    Advertisement for Dowflake Calcium Chloride, a product of the Dow Chemical Company marketed for use to control dust on unpaved roads and parking lots, as well as a roadway deicer. The advertisement features a colored…

    • 1926-May-29

    Advertisement for Dowflake Calcium Chloride, a product of the Dow Chemical Company, with view of a tree-lined residential street and unpaved road. Patented on February 17, 1925, Dowflake was marketed for use to control…

    • 1926

    Promotional brochure used to advertise Dowflake Calcium Chloride, a product of the Dow Chemical Company marketed for use to control dust on unpaved roads and parking lots. The brochure details the nuisance of dust…

    • 1927-May-28

    Print advertisement for Dowflake features two illustrations of country dirt roads with a description of the effectiveness of Dowflake. The bottom illustration depicts a crossroad with two automobiles traversing past the…

    • 1927-Jun-18

    Print advertisement for Dowflake depicts a sack of Dowflake above a residential street scene with cars and a pedestrian traversing a dirt road past houses. The paragraph accompanying the illustration discusses…

    • 1927-May-07

    Advertisement for Dowflake Calcium Chloride, a product of the Dow Chemical Company marketed for use to control dust on unpaved roads and parking lots, as well as a roadway deicer. The advertisement details the nuisance…

    • 1928

    Advertisement for Dowflake Calcium Chloride, a product of the Dow Chemical Company. The advertisement features a man (bottom left) contemplating traffic accidents resulting from poor road conditions, while a second man…

    • 1929-Jun-01

    Print advertisement for Flake Calcium Chloride depicts a curve in a country dirt road with trees framing the print and a body of water in the distance. The paragraph below the print discusses the dangers of driving…

    • 1929

    Advertisement for Dowflake Calcium Chloride, a product of the Dow Chemical Company, with view of a tree-lined, unpaved rural road. Patented on February 17, 1925, Dowflake was marketed for use to control dust on unpaved…

    • 1930

    Advertisement for explosives manufactured and sold by the Hercules Powder Company for use in construction, mining, and quarrying, among other applications. The advertisement depicts an Art Deco-style skyscraper…