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    • 1940s

    Portrait of George Oenslager (1873-1956), research chemist for the B. F. Goodrich Company known for the discovery and industrial application of organic accelerators to rubber.

    George Oenslager was born on September…

    • circa 1949

    View of two engineers, Stanley Bilker (background) and Ralph Harper (foreground), operating the calender sheeting machine at the the Naval Air Experimental Station's Rubber Compounding and Processing Laboratory. The…

    • circa 1949

    General view of the Dynamic Test Laboratory at the Naval Air Experimental Station showing forced vibration machines and other equipment used to test rubber articles produced at the Station under simulated service…

    • circa 1949

    Set of standard test specimen molds and vulcanized rubber products produced and used in the Rubber Compounding and Processing Laboratory at the Naval Air Experimental Station. This photograph was included in a 1949…

    • circa 1949

    General view of the Emerson Oxygen Aging apparatus, with two bombs, housed in the Naval Air Experimental Station's Oven and Accelerated Aging Room. Located inside a shelter within the aging room, this apparatus and…

    • circa 1949

    Plastometers, resiliometers, and other apparatus used to evaluate rubber and rubber-like materials in the Naval Air Experimental Station's Physical Properties Laboratory. The instruments visible in the photograph are…

    • circa 1949

    General view of the Latex and Chemical Laboratory at the Naval Air Experimental Station. An assortment of laboratory glassware, apparatus, and instruments used for various phases of experimental and developmental work…

    • circa 1949

    General view of the Rubber Ingredient and Weigh-Up Room at the Naval Air Experimental Station. Adjacent to the Rubber Compounding and Processing Laboratory, the room contained cupboards and bins housing over…

    • circa 1949

    Set of standard test specimen molds and dies used in the Rubber Compounding and Processing Laboratory at the Naval Air Experimental Station. This photograph was included in a 1949 Naval Air Experimental Station report…

    • circa 1949

    View of a worker removing a tensile sheet from a mold used in the hydraulic press at the Naval Air Experimental Station's Rubber Compounding and Processing Laboratory. The hydraulic press is a 200-ton capacity…

    • circa 1949

    General view of the Mooney Viscometer in the Rubber Compounding and Processing Laboratory at the Naval Air Experimental Station. At the laboratory, the viscometer was used to determine the plasticity and scorch rate of…

    • circa 1949

    Set of rubber compounding and vulcanization tools and knives used in the Rubber Compounding and Processing Laboratory at the Naval Air Experimental Station. This photograph was included in a 1949 Naval Air Experimental…

    • circa 1949

    View of a worker closing the hydraulic press in the Rubber Compounding and Processing Laboratory at the Naval Air Experimental Station. This unit is a 200-ton capacity Williams-White Moline machine equipped with three…

    • circa 1949

    General view of the hydraulic press in the Rubber Compounding and Processing Laboratory at the Naval Air Experimental Station. This unit is a 200-ton capacity Williams-White Moline machine equipped with three 24" x 24"…

    • circa 1949

    General view of the Steam Vulcanizer in the Rubber Compounding and Processing Laboratory at the Naval Air Experimental Station. Also known as an autoclave, the vulcanizer was use to cure, i.e. toughen or harden polymer…

    • circa 1949

    View of a worker holding a piece of rubber tubing as it is extruded from the tuber machine in the Naval Air Experimental Station's Rubber Compounding and Processing Laboratory. This tuber, a variable speed H.P. Royle…

    • circa 1949

    View of two engineers, Stanley Bilker (background) and Ralph Harper (foreground), operating the calender sheeting machine at the the Naval Air Experimental Station's Rubber Compounding and Processing Laboratory. The…

    • circa 1949

    View of a worker dumping mixed rubber stock from the Banbury Mixer at the Naval Air Experimental Station's Rubber Compounding and Processing Laboratory. At the laboratory, the mixer was used to break down and mix rubber…

    • circa 1949

    View of the Banbury Mixer used in the Rubber Compounding and Processing Laboratory at the Naval Air Experimental Station. The mixer is a Farrel-Birmingham Co. size B Banbury Mixer with a 25 H.P. motor and four-speed…

    • circa 1949

    View of a worker inserting rubber stock into the Banbury Mixer at the Naval Air Experimental Station's Rubber Compounding and Processing Laboratory. At the laboratory, the mixer was used to break down and mix rubber…

    • circa 1949

    View of a worker cutting rubber stock from the mixing mill at the Naval Air Experimental Station's Rubber Compounding and Processing Laboratory. At the laboratory, the mill was used to mix rubber stocks or warm mixed…

    • circa 1949

    View of a worker passing rubber stock through the mixing mill at the Naval Air Experimental Station's Rubber Compounding and Processing Laboratory. At the laboratory, the mill was used to mix rubber stocks or warm mixed…

    • circa 1949

    View of the mixing mill used in the Rubber Compounding and Processing Laboratory at the Naval Air Experimental Station. The mill is an Adamson 6" by 16" two-roll machine powered by a 7 1/2 H.P. motor with chain drive.…

    • circa 1949

    General view of the Rubber Compounding and Processing Laboratory at the Naval Air Experimental Station's Aeronautical Materials Laboratory. Two workers and an assortment of machinery and scientific apparatus, including…