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Date 1947 Remove constraint Date: <span class='single'>1947</span>

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    • 1910 – 2007
    • 2008

    Plastic Bayer aspirin bottle, 50 tablet size, contains tablets.

    • 1985
    • 1910 – 2007

    Plastic Bayer aspirin bottle, 100 tablet size, reads "Genuine Bayer Aspirin, Micro-Thin Coating".

    • 1910 – 2007

    Glass Bayer aspirin bottle, 200 tablet size, contains white tablets.

    • 1910 – 2007

    Glass Bayer aspirin bottle, 300 tablet size, contains white tablets.

    • 1910 – 2007

    Small, shallow, rectangular tin box containing medicine pills. Label on front of tin has yellow background with "12 Bayer-Tablets of Aspirin (5 grs. each)" in white text on brown background. Tin pillbox contains…

    • 1910 – 2007

    Small glass Bayer flavoured children's size aspirin bottle with pink plastic cap, 36 tablet size, containing pink tablets.

    • 1988
    • 1910 – 2007

    Small glass Bayer orange flavoured children's chewable aspirin bottle with pink plastic cap, 36 tablet size.

    • 1900s

    A half-length portrait of Friedrich Wöhler (1800–1882), a German chemist.

    • circa 1940 – circa 1979

    Though the photo set is identified as Beckman with "employees," some of the photographs depict ceremonies and visits to non-corporate locations, like CalTech. Some photographs are attributed, dated (1941, 1962, 1967),…

    • after 1934 – before 1970

    General view of a section of the exterior of the Cliffs Dow wood distillation plant located in Marquette, Michigan. Seeking a source of raw material for its new plastic, ethylcellulose, the Dow Chemical Company joined…

    • after 1934 – before 1970

    General view of a section of the interior of the Cliffs Dow wood distillation plant located in Marquette, Michigan. Seeking a source of raw material for its new plastic, ethylcellulose, the Dow Chemical Company joined…

    • after 1934 – before 1970

    General view of a section of the exterior of the Cliffs Dow wood distillation plant located in Marquette, Michigan. Seeking a source of raw material for its new plastic, ethylcellulose, the Dow Chemical Company joined…

    • after 1934 – before 1970

    General view of a section of the exterior of the Cliffs Dow wood distillation plant located in Marquette, Michigan. Seeking a source of raw material for its new plastic, ethylcellulose, the Dow Chemical Company joined…

    • after 1934 – before 1970

    General view of a section of the exterior of the Cliffs Dow wood distillation plant located in Marquette, Michigan. Seeking a source of raw material for its new plastic, ethylcellulose, the Dow Chemical Company joined…

    • after 1934 – before 1970

    General view of a section of the exterior of the Cliffs Dow wood distillation plant located in Marquette, Michigan. Seeking a source of raw material for its new plastic, ethylcellulose, the Dow Chemical Company joined…

    • after 1934 – before 1970

    General view of a section of the exterior of the Cliffs Dow wood distillation plant located in Marquette, Michigan. Seeking a source of raw material for its new plastic, ethylcellulose, the Dow Chemical Company joined…

    • after 1934 – before 1970

    General view of a section of the exterior of the Cliffs Dow wood distillation plant located in Marquette, Michigan. Seeking a source of raw material for its new plastic, ethylcellulose, the Dow Chemical Company joined…

    • after 1934 – before 1970

    General view of a section of the exterior of the Cliffs Dow wood distillation plant located in Marquette, Michigan, showing several large storage tanks and two unidentified individuals. Seeking a source of raw material…

    • after 1934 – before 1970

    General view of a section of the interior of the Cliffs Dow wood distillation plant located in Marquette, Michigan. Seeking a source of raw material for its new plastic, ethylcellulose, the Dow Chemical Company joined…

    • after 1934 – before 1970

    General view of a section of the exterior of the Cliffs Dow wood distillation plant located in Marquette, Michigan. Seeking a source of raw material for its new plastic, ethylcellulose, the Dow Chemical Company joined…

    • circa 1900 – 1965

    This work reproduces a painting by Wijck in the collections of the Rijksmuseum. The alchemist, seated at his desk before the window, looks down to survey the progress of his assistant. The young boy holds up a basin for…

    • circa 1928 – 1965

    An alchemist wearing a green robe uses a pair of bellows to control the heat of the fire beneath his crucible. Other vessels sit on the furnace at his side, and to his left a large still-head for distillation rests over…

    • circa 1887 – circa 1963

    The alchemist sits, stirring the contents of a crucible, as he carefully watches the progress of a distillation experiment. He is surrounded by alchemical apparatus, glassware, and open books. An hourglass at his side…

    • 1938 – 1960

    Green wooden case with textured green paper surface; label on front of case features a young boy looking through a microscope and an enlarged image of a dog flea; metal latch opens double-sided interior. 16 glass test…

    • 1942 – 1959

    The Model R Industrial pH Meter was first produced in 1942, although this photograph was likely taken much later.

    Arnold Beckman invented his first pH meter in 1934 at the request of a chemist from the California…