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Subject Chemical industry Remove constraint Subject: Chemical industry 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 two unidentified employees working on the nose of a Douglas A-20 attack bomber aircraft prior to the installation Plexiglas windshield panels. This photograph was likely taken at the Rohm and Haas…

    • 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 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 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 an unidentified employee using a band saw to trim a curved Plexiglas panel designed for use as an aircraft windshield. This photograph was likely taken at the Rohm and Haas Company plant located in…

    • 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 employee using a router to smooth the edge of a curved Plexiglas panel designed for use as an aircraft windshield. Per notations accompanying the photograph, the edges of the panels are…

    • 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 – circa

    Portrait of James A. Rafferty (1886-1951). Rafferty was born in Chicago, Illinois on May 4th, 1886 and studied engineering and chemistry at the Lewis Institute of Technology. Following his graduation from Lewis in 1908,…

    • 1949-Jan

    Two views of a General Electric Recording Spectrophotometer in use in the Plastics Laboratory at the Hercules Powder Company plant in Parlin, New Jersey. The employee visible in the first photograph is identified as…

    • 1949-Jan

    Close-up view of operator L.F. Strugala using a two-roll mill in the Plastics Laboratory at the Hercules Powder Company plant in Parlin, New Jersey. Per notations accompanying the photograph, the two-roll mill was used…

    • 1949-Jan

    Close-up view of J.P. Drew operating a milling cutter used in the Plastics Laboratory at the Hercules Powder Company plant in Parlin, New Jersey. Per notations accompanying the photograph, the cutter was used to cut…

    • 1949-Jan

    Close-up view of the take-off jig used to control extruded shapes on a National Rubber 2-inch extruder in the Plastics Laboratory at the Hercules Powder Company plant in Parlin, New Jersey. The employee visible in the…

    • 1949-Jan

    Close-up view of operator L.F. Strugala using a two-roll mill in the Plastics Laboratory at the Hercules Powder Company plant in Parlin, New Jersey. Per notations accompanying the photograph, the two-roll mill was used…

    • 1949-Jan

    Close-up view of an extruder in use in the Plastics Laboratory at the Hercules Powder Company plant in Parlin, New Jersey. An unidentified employee is seen pouring raw material into the hopper; the material is…

    • 1949-Jan

    Close-up view of V.F. Kurowsky operating a flow measuring device used to identify and control the ratio of base material to plasticizer in cellulose molding compounds produced in the Plastics Laboratory at the Hercules…

    • 1949-Jan

    Close-up view of a tumbling shaker used in the Plastics Laboratory at the Hercules Powder Company plant in Parlin, New Jersey to dissolve plastic materials in solvents. Per notations accompanying the photograph, the…

    • 1949-Jan

    Close-up view of the take-off jig used to control extruded shapes on a National Rubber 2-inch extruder in the Plastics Laboratory at the Hercules Powder Company plant in Parlin, New Jersey. The employee visible in the…

    • 1949-Jan

    General view of operator J.P. Deran removing injection molded cellulose materials from a 4-ounce Reed Prentice molding apparatus at the Hercules Powder Company plant in Parlin, New Jersey. Per notations accompanying the…

    • 1949-Jan

    Close-up view of V.F. Kurowsky operating a flow measuring device used to identify and control the ratio of base material to plasticizer in cellulose molding compounds produced in the Plastics Laboratory at the Hercules…

    • 1949-Jan

    Close-up view of an extruder in use in the Plastics Laboratory at the Hercules Powder Company plant in Parlin, New Jersey. Extruders were commonly used to process and shape a variety of raw materials produced at the…

    • 1949-Jan

    Close-up view of operator Felix Nakielny removing a test piece from an injection mold apparatus used in the Plastics Laboratory at the Hercules Powder Company plant in Parlin, New Jersey. Per notations accompanying the…

    • 1949-Jan

    General view of employee Felix Nakielny removing a toilet seat cover from the dimension stability test cabinet used in the Plastics Laboratory at the Hercules Powder Company plant in Parlin, New Jersey. Per notations…

    • 1949-Jan

    General view of an insulated test chamber used in the Plastics Laboratory at the Hercules Powder Company plant in Parlin, New Jersey to determine the impact resistance of plastics at sub-normal temperatures. Per…

    • 1940s

    General view of an unidentified female employee inspecting a treating tub used to purify ethyl cellulose at the Hercules Powder Company plant in Hopewell, Virginia. The Hopewell plant commonly produced ethyl cellulose,…