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    • circa 1960-Jul

    General view of technician Mary Moffit using an infrared spectrophotometer to analyze a sample of the insect repellent Metadelphene in a laboratory at the Hercules Powder Company plant in Brunswick, Georgia. Per…

    • circa 1960-Jul

    General view of research assistant Evelyn Kieffer using a reactor flask to analyze an unidentified substance in a laboratory at the Hercules Powder Company plant in Brunswick, Georgia. One of two Hercules plants…

    • 1950s – circa

    General view of Clyde Moe operating an electron microscope in the Dow Chemical Company's Metallurgical Laboratory. Electron microscopes use a beam of accelerated electrons as a source of illumination and have a higher…

    • 1957-Oct-02

    General view of glassblower Bill Schwartz applying internal pressure to fuse and close the end of a small vacuum-jacketed column in the Dow Chemical Company's Glass Fabrication department. Founded in 1925, the…

    • 1957-Oct-02

    General view of shop foreman Ken Altman (left) and Francis Parkinson, Jr. examining assorted glassware produced in the Dow Chemical Company's Glass Fabrication department. Founded in 1925, the department was responsible…

    • 1957-Oct-02

    General view of glassblower Joe Skalnican using an automatic calibrating machine to apply calibration marks to a piece of glass manufactured in the Dow Chemical Company's Glass Fabrication department. Founded in 1925,…

    • 1957-Oct-02

    General view of apprentice Carl Goetz blowing out a distillation head of a glass tube manufactured in the Dow Chemical Company's Glass Fabrication department. Founded in 1925, the department was responsible for the…

    • 1957-Oct-02

    General view of Wayne Doehring placing a glass polymerizer into the annealing furnace in the Dow Chemical Company's Glass Fabrication department. Founded in 1925, the department was responsible for the fabrication and…

    • 1957-Oct-02

    General view of Merlyn Smith molding a flange on a six-inch pipe manufactured in the Dow Chemical Company's Glass Fabrication department. Founded in 1925, the department was responsible for the fabrication and repair of…

    • 1957-Oct-02

    General view of Bill Pahl alternately heating and compressing a glass tube, part of a semi-microfractionation column manufactured in the Dow Chemical Company's Glass Fabrication department. Founded in 1925, the…

    • 1957-Oct-02

    General view of Dick Kowalczyk welding a side arm onto a glass polymerizer manufactured in the Dow Chemical Company's Glass Fabrication department. Founded in 1925, the department was responsible for the fabrication and…

    • 1957-Oct-02

    General view of Wesley Smith filling an absolute pressure gauge manufactured at the Dow Chemical Company's Glass Fabrication department with mercury. Founded in 1925, the department was responsible for the fabrication…

    • 1957-Oct-02

    General view of crew leader Stan Mikols (left) and Dale Snyder examining a blueprint used to manufacture a piece of glass in the Dow Chemical Company's Glass Fabrication department. Founded in 1925, the department was…

    • 1957-Oct-02

    General view of master glassblower Hugh Morrison blowing through a tube while Wayne Doehring winds glass onto a mandril to form a coil. This photograph was taken in the Dow Chemical Company's Glass Fabrication…

    • 1957-Oct-02

    General view of master glassblower Rex Badder measuring the coils on a nine-foot continuous reactor manufactured in the Dow Chemical Company's Glass Fabrication department. Founded in 1925, the department was…

    • 1956-Jun-13

    General view of Willard Van Wingerden performing maintenance on a specialty instrument in the Dow Chemical Company's Plastics Production Laboratory. Established in 1953 as an outgrowth of Dow's Physical Research…

    • 1956-Jun-13

    General view of Richard Bayne testing distillation and miniplant operations at the Dow Chemical Company's Plastics Production Laboratory. Established in 1953 as an outgrowth of Dow's Physical Research Laboratory, the…

    • 1956-Jun-13

    General view of Wilbur Myers testing large-scale cracking and dehydrogenation processes on an apparatus in the Dow Chemical Company's Plastics Production Laboratory. Established in 1953 as an outgrowth of Dow's Physical…

    • 1956-Jun-13

    General view of Ray Kent checking a polymer operation at the Dow Chemical Company's Plastics Production Laboratory. Established in 1953 as an outgrowth of Dow's Physical Research Laboratory, the Plastics Production…

    • 1956-Jun-13

    General view of Willard King working with an apparatus used for pilot plant operations at the Dow Chemical Company's Plastics Production Laboratory. Established in 1953 as an outgrowth of Dow's Physical Research…

    • 1930-Jan-08

    General view of the organic combustion furnace and train utilized at the U.S. Department of Agriculture's Fixed Nitrogen Research Laboratory located in Washington, D.C.

    The Fixed Nitrogen Research Laboratory (F.N.R.L.)…

    • 1930-Jan-08

    General view of an apparatus used to investigate the thermionic emission of positive ions from platinum films sputtered on glass at the U.S. Department of Agriculture's Fixed Nitrogen Research Laboratory located in…

    • 1930-Jan-08

    General view of a laboratory facility and apparatus used to investigate the chemical activity evident in glow discharge at the U.S. Department of Agriculture's Fixed Nitrogen Research Laboratory located in Washington,…

    • 1930-Jan-08

    General view of an ultrasonic oscillator used at the U.S. Department of Agriculture's Fixed Nitrogen Research Laboratory located in Washington, D.C. Visible components of the oscillator include an 1800 volt D.C. motor…

    • 1930-Jan-08

    General view of assorted apparatus used in the Steel Corrosion Laboratory at the U.S. Department of Agriculture's Fixed Nitrogen Research facility located in Washington, D.C. Apparatus include a constant volume…