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Dow Chemicals
- 1920s
Volume providing an overview of products manufactured by the Dow Chemical Company plant in Midland, Michigan including industrial chemicals, pharmaceutical products, metal alloys, dyes, and insecticides. Each product is…
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James Geary using colorimeter in Dow Chemical Company laboratory
- 1944
General view of technician James Geary using a Klett-Summerson Photoelectric Colorimeter to obtain a determination of iodine at a Dow Chemical Company laboratory. Designed in the 1930's by two Cornell University Medical…