Print advertisement for Dowmetal, a magnesium alloy manufactured and sold by the Dow Chemical Company. The advertisement features an illustrated depiction of seawater, with accompanying text detailing the history of Dow…

Color print advertisement for magnesium alloys manufactured and sold by the Dow Chemical Company. The advertisement features an illustrated depiction of two ships floating on a cube of seawater with a view of the sea…

Color print advertisement for magnesium alloys manufactured and sold by the Dow Chemical Company. The advertisement features an illustrated depiction of a hand lifting a winged ingot of magnesium from the sea while…

Color print advertisement for Dowell Incorporated, a subsidiary of the Dow Chemical Company. The advertisement features an aerial view of an industrial power plant, with accompanying text detailing the use of Dowell…

Color print advertisement for magnesium alloys manufactured and sold by the Dow Chemical Company. The advertisement features an illustrated depiction of a hand lifting a winged ingot of magnesium from the sea, as well…

Color print advertisement for magnesium alloys manufactured and sold by the Dow Chemical Company. The advertisement features an illustrated depiction of a hand lifting a winged ingot of magnesium from the sea while…

Color print advertisement for the Texas Division of the Dow Chemical Company. The advertisement features an outline of the state of Texas with a cube of seawater rising from the center. The accompanying text details the…

Color print advertisement for Dowell Incorporated, a subsidiary of the Dow Chemical Company. The advertisement features an illustrated depiction of a man intended to evoke Scottish inventor, mechanical engineer, and…

Color print advertisement for the Dow Chemical Company's Magnesium Division. The advertisement features an illustrated depiction of a hand lifting a winged ingot of Dowmetal magnesium from the sea. The accompanying text…

Advertisement for "RADA," or rosin-amine-D-acetate, a water soluble chemical manufactured by the Hercules Powder Company for use as a corrosion inhibitor and to control bacteria in water flooding systems, among other…

This advertisement describes a use case for Beckman pH meters in which Macon Water Works used the instruments to control the acidity of the water and inhibit corrosion of pipes.

Arnold Beckman invented his first pH…

This advertisement highlights uses for Models R, H, and M pH meters in the water and wastewater treatment industry.

Arnold Beckman invented his first pH meter in 1934 at the request of a chemist from the California…

Procedures for a series of tests used in water analysis. The experiments include the determination of various minerals and contaminants present in water samples such as nitrite, sulfates, iron, etc. Each contains a list…

General view of the sea water intake apparatus at the Dow Chemical Company plant located in Freeport, Texas. Dow commonly processed sea water to obtain magnesium, the world's lightest structural metal.

Color print advertisement for Dowell Incorporated, a subsidiary of the Dow Chemical Company. The advertisement depicts a young woman examining stalactites and stalagmites in a cave. The accompanying text details the…

Color print advertisement for ion exchange resins manufactured and sold by the Dow Chemical Company for water purification and other uses. The advertisement depicts a mother and son peering into a bathtub. The…

Black and white print advertisement for Dowex, a high-capacity resin manufactured and sold by the Dow Chemical Company for use in water softeners. This advertisement appeared on page 56 of the May 30, 1953 edition of Th…

Black and white print advertisement for Dowex, a high-capacity resin manufactured and sold by the Dow Chemical Company for use in water softeners. This advertisement appeared on page 90 of the June 13, 1953 edition of T…

Black and white print advertisement for Dowex, a high-capacity resin manufactured and sold by the Dow Chemical Company for use in water softeners, with information on how to obtain an informational booklet about…

Black and white print advertisement for Dowex, a high-capacity resin manufactured and sold by the Dow Chemical Company for use in water softeners. This advertisement appeared on page 75 of the September 12, 1953 edition…

Black and white print advertisement for Dowex, a high-capacity resin manufactured and sold by the Dow Chemical Company for use in water softeners.

Black and white print advertisement for Dowex, a high-capacity resin manufactured and sold by the Dow Chemical Company for use in water softeners. This advertisement appeared on page 93 of the May 20, 1954 edition of Th…

Black and white print advertisement for Dowex, a high-capacity resin manufactured and sold by the Dow Chemical Company for use in water softeners. This advertisement appeared on page 87 of the May 1, 1954 edition of The…

Black and white print advertisement for Dowex, a high-capacity resin manufactured and sold by the Dow Chemical Company for use in water softeners. This advertisement appeared on page 77 of the September 11, 1954 edition…