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Subject Injection molding of plastics Remove constraint Subject: Injection molding of plastics

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    • 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 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…