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Date 1945 to 1949 Remove constraint Date: <span class='from'>1945</span> to <span class='to'>1949</span>

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    • 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…

    • 1900s

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

    • 1900 – 1950

    This 20th-century color lithograph reproduction of an early-19th-century engraving shows a pink and white striped balloon rising above a pastoral landscape. In the balloon basket are two small figures. The campus of…

    • 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…

    • 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 – 1950

    Small, shallow, rectangular tin box containing medicine pills. Label on front of tin has yellow background with the company name in red. Name of medicine is printed in yellow on brown background on front of tin. Tin…

    • 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
    • 2008

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

    • 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.

    • 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…

    • 1930 – 1949

    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. Image of small round white…

    • 1950
    • 1940
    • 1934 – 1935
    • 1946
    • Undated
    • 1949

    A Pasadena garage was the first home of the National Postal Meter Company, founded by Arnold Beckman in 1934. The company soon became National Technical Laboratories, with a focus on pH meters. In 1935, the company…

    • 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…