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Subject Polymers Remove constraint Subject: Polymers

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    • 1986-Oct-13

    Elizabeth Dyer recounts her childhood in Haverill, Massachusetts and entering Mount Holyoke College at the age of seventeen. There she was influenced by two outstanding teachers, Louisa Stevenson and Dorothy Hahn, which…

    • 1986-Nov-17

    Paul Doty begins by describing his family's background and his early education in Western Pennsylvania. He also recalls attending the ACS national meeting while he was still a teenager. He describes his impressions of…

    • 1985-Jun-18 (Second session)
    • 1985-May-23 (First session)

    This interview with William O. Baker begins with a discussion of Baker's childhood on Maryland's Eastern Shore, where his parents were involved in raising fowl and developing therapy for turkey pathology; this, along…

    • 1951

    Two views of employee Paul F. Brown feeding raw cotton linters (short fiber residues left on the cottonseed after the longer staple, aka the "lint" fibers, are removed by ginning) into a bale breaking machine in the…

    • 1940s

    Close-up view of several stacks of so-called "chemical cotton" manufactured at the Hercules Powder Company plant in Hopewell, Virginia. Chemical cotton, a type of purified cellulose obtained from raw cotton linters, is…

    • circa 1961-Jan

    General view of an unidentified employee operating a polymerizer and extruder at the Hercules Powder Company plant located in Parlin, New Jersey. Per notations accompanying the photograph, the polymerizer and extruder…

    • circa 1961-Jan

    General view of a Prodex brand extruder used in the production of Penton, a chlorinated polyether used as an ingredient in protective coatings for structural steel and other metals, papers, cardboard, and plastics, at…

    • 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…

    • 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 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 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 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…

    • 1946-Mar-01

    Two views of hot relaxing plates on a drawing machine used at the DuPont plant in Seaford, Delaware during the early stages of synthetic fiber production and research. The plate on the left was electric-heated and the…

    • 1947-Feb

    General view of technicians inspecting the creel (a rack holding bobbins or spools for spinning) on a staple drawing machine used during the early stages of synthetic fiber production and research at DuPont. During the…

    • 1947-Jan-07

    General view of component parts, including a holding tank, flash tube, spinner, and finisher, of a continuous polymerizer used during the early stages of synthetic fiber production and research at DuPont.

    • 1947-Jan-07

    General view of component parts, including a holding tank, flash tube, condenser, and finisher, of a continuous polymerizer used during the early stages of synthetic fiber production and research at DuPont. The…

    • 1946-Nov-27

    Two views of a two-position tire cord machine used during the early stages of synthetic fiber production and research at DuPont. The hot pin and hot plate tandem apparatus used to draw various fibers is visible in both…

    • 1946-Nov-11

    Two views of a booster pump shaft used during the early stages of synthetic fiber production and research at DuPont. In the top image, an accumulation of polymer is visible on the shaft, while agitators are wrapped…

    • 1946-Sep

    General view of a 50-pound autoclave first used for the production of "Fiber V," later branded as Dacron polyester fiber, at a DuPont semiworks facility. During production, a partially-evaporated salt solution was fed…

    • 1946-Jun

    Close-up view of a continuous shaft drawtwister used during the early stages of nylon production and research at DuPont. As part of the cold-drawing process, drawtwisters were used to stretch the nylon filaments…

    • 1946-Feb-46

    Close-up view of two hot relaxing plates on a drawing machine used at the DuPont plant in Seaford, Delaware during the early stages of synthetic fiber production and research. The plate on the left, labelled "Electric,"…

    • 1946-Feb
    • 1946-Mar-31

    Three views of a nylon drawing machine and creel (a rack holding bobbins or spools for spinning) used at the DuPont plant in Seaford, Delaware during the early stages of nylon production and research.

    • 1946-Feb

    Close-up view of the wrap scraper blade on a drawing machine used at the DuPont plant in Seaford, Delaware during the early stages of nylon production and research.

    • 1938

    Close-up view of DuPont employee Mike McCall feeding nylon chips into the hopper of a five-position spinning machine used at the DuPont pilot plant in Wilmington, Delaware during the early stages of nylon production and…

    • 1938

    Violet Grenda inspecting nylon yarn at an unidentified DuPont facility during the early stages of nylon production and research.