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Subject World War (1939-1945) Remove constraint Subject: World War (1939-1945) Date 1945 to 1949 Remove constraint Date: <span class='from'>1945</span> to <span class='to'>1949</span>

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    • 1940s

    General view of several unidentified employees installing Plexiglass panels on the nose of a Douglas A-20 attack bomber. Per notations accompanying the photograph, the two halves that form the nose of the bomber are…

    • 1940s

    General view of an unidentified female employee polishing a curved panel of Plexiglas designed for use as an aircraft windshield. This photograph was likely taken at the Rohm and Haas Company plant located in Bristol,…

    • 1940s

    General view of an unidentified male employee polishing a curved panel of Plexiglas designed for use on the nose of an aircraft attack bomber. Several finished panels are visible in the background. Per notations…

    • 1940s

    General view of an unidentified employee fitting a Plexiglas windshield panel onto the nose enclosure of a Douglas A-20 attack bomber. This photograph was likely taken at the Rohm and Haas Company plant located in…

    • 1940s

    General view of two unidentified employees making adjustments to a Douglas A-20 attack bomber in production at the Rohm and Haas Company plant located in Bristol, Pennsylvania. Several attack bombers, awaiting…

    • 1940s

    General view of an unidentified female employee polishing a curved panel of Plexiglas designed for use as an aircraft windshield. This photograph was likely taken at the Rohm and Haas Company plant located in Bristol,…

    • Advertisement for Hercules Yarmor 302-W
    • 1945

    Formed in 1912 as part of an anti-trust settlement with DuPont, the Hercules Powder Company (later Hercules Inc.) initially specialized in the manufacture of explosives and smokeless powders and subsequently diversified…

    • Advertisement for Hercules Yarmor 302-W
    • 1945

    Formed in 1912 as part of an anti-trust settlement with DuPont, the Hercules Powder Company (later Hercules Inc.) initially specialized in the manufacture of explosives and smokeless powders and subsequently diversified…

    • 1945

    Four-page pamphlet advertising Red Dot brand sporting powder manufactured and sold by the Hercules Powder Company. The pamphlet is specifically addressed to participants in the annual Amateur Trapshooting Association…

    • 1941 – 1945

    Advertisement for Dowicides, the trade name for a group of fungicide chemicals manufactured and marketed by the Dow Chemical Company as tools to prevent mold and decay. The advertisement features an army transport…

    • after 1940 – before 1946

    General view of a female employee cutting strands of .50 caliber powder extruded from a press to the proper length at the Radford Ordnance Works in Radford, Virginia. The Radford Ordnance Works was operated by the…

    • 1945-Mar

    Close-up view of the Charge and Press machine used to fill shells with an explosives charge the Hercules Powder Company plant in Port Ewen, New York. After the charge was pressed into the bottom of the shells, the…

    • 1945-Mar

    General view of employee Jim Kennedy operating a press machine used to fill electric blasting caps with an explosive charge at the Hercules Powder Company plant in Port Ewen, New York. The operation was…

    • 1945-Mar

    Close-up view of the soldering of wire at the Hercules Powder Company plant in Port Ewen, New York. During the production of electric blasting caps, wires were inserted into the base of a bridging machine while a…

    • 1945-Mar

    General view of Clara Kellerman and another unidentified employee inspecting electric blasting cap shells at the Hercules Powder Company plant in Port Ewen, New York. Formed in 1912 as part of an anti-trust settlement…

    • 1945-Mar

    General view of employees Harold Struber (left) and Raymond Leahy operating a wire-cutting and stripping machine at the Hercules Powder Company plant in Port Ewen, New York. During the production of electric blasting…

    • 1945-Mar

    General view of employee Joe Bechtold operating a capsule machine used to punch strips of copper into discs during the production of small shells at the Hercules Powder Company plant in Port Ewen, New York. Formed in…

    • 1945-Mar

    General view of employee Kenneth Heiser using a buggy to transport a load of charged shells produced at the Hercules Powder Company plant in Port Ewen, New York. Formed in 1912 as part of an anti-trust settlement with…

    • 1945-Mar

    General view of an unidentified employee cutting wire for use in blasting cap shells produced at the Hercules Powder Company plant in Port Ewen, New York. Prior to cutting, copper, enamel, and iron wire was insulated…

    • 1945-Mar

    General view of female employees inserting bridged wires into loaded electric blasting caps at the Hercules Powder Company plant in Port Ewen, New York. The individuals visible in the photograph are identified as…

    • 1945-Mar

    General view of employees cutting wire for use in blasting cap shells produced at the Hercules Powder Company plant in Port Ewen, New York. The individuals visible in the photograph are identified as follows (left to…

    • 1945-Mar

    Close-up view of inspected blasting cap shells ready to be loaded with an explosive charge and wired plug at the Hercules Powder Company plant in Port Ewen, New York. Formed in 1912 as part of an anti-trust settlement…

    • 1945-Mar

    General view of an unidentified female employee operating a machine used to inspect blasting cap shells at the Hercules Powder Company plant in Port Ewen, New York. Formed in 1912 as part of an anti-trust settlement…

    • 1945-Feb-20

    Request from the National Defense Research Committee for a Model L Pauling Oxygen Meter to test at high altitudes in airplanes.

    Developed from a Linus Pauling design during WWII, the technology behind Beckman…

    • 1945-Sep-26

    This letter to Dr. Spencer S. Prentiss of the National Defense Research Committee describes the results of the clinical trial of the Pauling Oxygen Meter by the United States Army. The Army decided not to standardize…