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    • Pl. XI
    • 1872 (Published)

    Prominences represented in their natural colors, as seen through a large telescope when the slit of the spectroscope was open wide and directed on to the red C-line. These prominences are characteristic of the an…

    • Pl. IX
    • 1872 (Published)

    This plate illustrates four spectra from solar phenomena.
    Spectrum 1 is Solar Spectrum and Spectrum of the Prominences, during a total Eclipse.
    Spectrum 2 is Spectrum of the Corona. Observed by Charles Young…

    • Pl. VIII
    • 1872 (Published)

    This plate contains two prints from photographs of a solar eclipse viewed in Burlington, Iowa on August 7, 1869.
    "The photographic plates, which were exposed for the brief space of from five to sixteen seconds, give…

    • Fig. 121
    • 1872 (Published)

    An illustration of a solar eclipse during the last 2 minutes, 25 seconds, therefore just before the reappearance of the sun's rays. The accompanying text states: ""Scarcely had the last ray of sunlight disappeared,"…

    • Pl. VII
    • 1872 (Published)

    Prints from photographs taken by Colonel James Francis Tennant (1829-1915). The upper picture shows the eclipse at the moment of totality, and the lower one immediately before it's cessation. Observed from Guntoor,…

    • 1970

    A: White cardboard box with blue product label adhered to top of box. Box opens to reveal styrofoam tray to hold implant/prosthesis. Product information sheet included.

    B: Single silicone rubber breast…

    • Fig. 106.
    • 1872 (Published)

    Here Sschellen is illustrating and explaining the phenomenon of sunspots. The accompanying text states: "In Fig. 106 the drawings marked I represent the varying phases through which a spot surrounded by a penumbra…

    • 1899 (Creation)
    • 1906 (Publication)

    Whimsical illustration of mice in a laboratory with glassware, apparatus, and a Bunsen burner. Beatrix Potter was a niece of the author, Henry Roscoe, and created this illustration as a gift. The illustration is based…

    • 1906 (Publication)
    • 1862 (Creation)

    Photographic portrait of Robert W. Bunsen, Gustav Kirchhoff, and Henry E. Roscoe. In the book Roscoe explains that the photograph was taken during a visit of Bunsen and Kirchhoff to Manchester while Roscoe was chair of…

    • 1906 (Publication)

    A photographic portrait of Henry Enfield Roscoe writing at a desk at his home, Woodcote Lodge in 1906. The photograph was taken by a photographer from Elliot & Fry studio and printed by Emery Walker.
    A photomechanical…

    • 1992

    Depiction of the periodic table with an emphasis on the elements which receive the most attention in general chemistry textbooks.

    • (May be the largest in the world.)
    • 1993

    Art reproduced from image depicting Mendeleev's Periodic System on on the wall of the Mendeleev Institute of Weights and Measures.

    • 1962

    Double-sided reference sheet depicting Table of Periodic Properties of the Elements on the front with a Periodic Table of the Elements on the reverse.

    • 1987

    A 32 column version of the step-pyramid form of the periodic table designed by William Jensen for use in an advanced level inorganic chemistry course.

    • (Plant Nutrients)
    • 1973

    A whimsical rendering of the Periodic Table with an emphasis on the elements which are used as primary, secondary or micro nutrients for plants.

    • 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…

    • 1953

    Wooden grey-blue case that opens on a hinge. Inside, the left side of the case contains: a sealed glass bottle of mounting cement, a sealed glass bottle of thinner, small cardboard boxes labeled "Microcraft Microscopy…

    • 1940 – 1949

    Wooden box painted red with white speckled paint design; case opens on a hinge to reveal nine (9) test tubes on left containing: sodium iodide solution, bleaching powder, sodium salicylate, cobalt chloride, ferric…