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Rights No Copyright - United States Remove constraint Rights: No Copyright - United States Date 1945 to 1949 Remove constraint Date: <span class='from'>1945</span> to <span class='to'>1949</span>

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    • circa 1957 (Date attributed to slide)
    • 1949 (Original design)

    Graphic representation of the periodic table of chemical elements designed as a series table with sixteen groups. This table was originated by G.M. Murashov in 1949 and and classified by Mazurs as Type IC3-2a in his…

    • 1946 – 1955

    The Beckman Instruments IR spectrophotometers began as a request from the Office of Rubber Reserve to Arnold O. Beckman in 1942, asking for an infrared spectrophotometer that they could use to create rubber. Under this…

    • 1948 – 1954

    Advertising brochure for Ac'cent, a pure mono sodium glutamate (MSG) food additive product manufactured by the Amino Products Division of the International Minerals & Chemical Corporation.

    • 1940s – circa

    Exterior view of an unidentified United States Department of Agriculture building. The building is believed to be part of the U.S.D.A.'s Agricultural Engineering Laboratory facility located in Beltsville, Maryland.

    • Bulletin 206-B
    • 1949-Jul-12

    The ultraviolet Model B was marketed as an easier to use and more affordable alternative to the Beckman DU Spectrophotometer.

    The first Beckman Instruments DU Spectrophotometer was developed in 1940, when the company…

    • 1949-Nov

    The ultraviolet Model B was marketed as an easier to use and more affordable alternative to the Beckman DU Spectrophotometer.

    The first Beckman Instruments DU Spectrophotometer was developed in 1940, when the company…

    • 1949

    Owners of the Model G would have found these instructions tucked inside the lid of the wooden case surrounding the instrument.

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

    • 1949

    Black and white print magazine advertisement for Pestroy insect spray. This ad appeared in The Country Gentleman, April 1949.

    • 1949

    Advertisement by John B. Flaherty Co., Inc. in New York for the "Bub" Duribilknit supporter published in SPORT magazine. The "Bub" was a knitted athletic supporter made of surgical elastic. The supporter had a thick…

    • 1940s

    Group photograph of U.S. Department of Agriculture personnel at an unidentified facility. The individuals in the photograph are identified as follows:

    Standing (left to right): Mr. Whittaker; Louise Gardner; J. R.…

    • 1948-Feb-24

    General view of skilled instrument specialist Robert L. Kennedy cleaning and repairing a stop watch in the Dow Chemical Company's Instrument Department. Established in 1926, the Instrument Department was responsible for…

    • 1948-Feb-24

    General view of the Instrument Department workroom at the Dow Chemical Company plant located in Midland, Michigan. Established in 1926, the Instrument Department was responsible for the installation and maintenance of…

    • 1948-Feb-24

    General view of instrument journeyman Norris Hunemorden servicing a Foxboro recorder, part of the control panel at the Dow Chemical Company's Ethylene Glycol Plant. Hunemorden was a member of Dow's Instrument…

    • 1948-Feb-24

    General view of Instrument calibrationist August Aaron checking the calibration of a voltmeter in the Dow Chemical Company's Instrument Department. Established in 1926, the Instrument Department was responsible for the…

    • 1948-Feb-24

    General view of instrument journeyman Harry Beamish inserting an element into a Foxboro recording thermometer in the Dow Chemical Company's Instrument Department. Established in 1926, the Instrument Department was…

    • 1948-Feb-24

    General view of Melvin Dietzel (kneeling) and Larry Oeffner examining the stock supply of replacement parts in the Dow Chemical Company's Instrument Department. Established in 1926, the Instrument Department was…

    • 1948-Feb-24

    General view of instrument journeyman Willard Van Wingerden operating a 16mm film projector at a Dow Chemical Company employee group meeting. Wingerden was a member of Dow's Instrument Department, which was responsible…

    • 1948

    Two-fold pamphlet opens up to reveal a chart of Du Pont plastics, outlining the types of plastics Du Pont manufactures including polythene, nylon, "Pyralin" (cellulose nitrate), "Plastacele" (cellulose acetate),…

    • 1948

    Black and white print magazine advertisement for the Bayer Company featuring an aerial view image of Bayer's plant in Trenton, New Jersey, images of the interior of the manufacturing plant, and a timeline of the…

    • circa 1947

    General view of Plexiglas plotting and status boards in use at an Air Force communications school located at Keesler Field in Biloxi, Mississippi. As visible in the photograph, personnel receive reports from radar…

    • 1947-Jan-13

    General view of senior photo technician Joe Jardis operating a copy camera in the Dow Chemical Company's Photographic Laboratory. Established in the 1930's, the Photo Lab took pictures for employee publications like The…

    • 1947-Jan-13

    General view of senior photo technician Ford Bowers printing photographs in the Dow Chemical Company's Photographic Laboratory. Established in the 1930's, the Photo Lab took pictures for employee publications like The…

    • 1947-Jan-13

    General view of photo technician Russ Johnson operating a photostat machine in the Dow Chemical Company's Photographic Laboratory. Acquired from the Engineering Department, the photostat machine was used to reproduce a…