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    • 1874

    Chapters cover food types commonly adulterated through the use of additives, with some additives being non-food items such as plaster of Paris, lead and brick dust. End of book features plate illustrations of common…

    • Pl. XIII
    • 1872 (Published)

    Lorenzo Respighi (1824-1889) was the director of the University Observatory at the Campidoglio at Rome. Starting in October of 1869 he observed daily the entire limb of the sun recording prominences and other phenomena.…

    • Pl. XII
    • 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 a…

    • 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…

    • Fig. 135
    • 1872 (Published)

    An illustration of a man using Lockyer's telespectroscope. Sir Joseph Norman Lockyer (1836-1920), designed this instrument in order to observe the spectra of the prominences in full sunlight. Lockyer is best known for…

    • Pl. X
    • 1872 (Published)

    From a photograph taken of a solar eclipse observed from Syracuse, Sicily on 22 December 1870.
    From text: "The photograph taken by Mr. Brothers is very valuable, since it shows the halo extending towards the…

    • 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,…

    • 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…

    • Fig. 52
    • 1872 (Published)

    Illustration of a man looking through a spectroscope.
    From the corresponding text: "Fig. 52, especially the three tubes directed to the prism at different angles, as in that constructed by Kirchhoff and Bunsen. The…

    • Fig. 29
    • 1872 (Published)

    Man viewing candle light through a prism. Illustration for section 16. Refraction of Monochromatic Light by a Prism.

    • 1906 (Publication)
    • 1891 (Creation)

    Robert Wilhelm Bunsen was born March 30, 1811 in Göttingen and died August 16, 1899 in Heidelberg. He was a German inventor, chemist, and professor whose light studies created the field of spectrum analysis.

    Sir Henry…

    • 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…

    • 1633

    Compiled by Gerard from works by Turner, Rembert Dodoens, Iacobus Theodorus, Pena and L'Obel, this English botanical book includes numerous woodcuts of plants. The lavishly illustrated title page is engraved by John…

    • 1665

    The engraving on the lower-half of the title page depicts the coat of arms of the Royal Society, founded in November 1660 by royal charter of King Charles II. The coat of arms consists of a shield argent featuring the…

    • 1872 (Published)

    Translated from the second enlarged and revised German edition by Jane and Caroline Lassell; edited with notes by William Huggins; with numerous woodcuts and colored plates.
    From the Preface: "Its object is, on the one…

    • 1906 (Publication)

    Sir Henry Enfield Roscoe lived from 1833 to 1915. He spent time studying under Robert Bunsen in Heidelberg, receiving his PhD in 1854. In 1857 Roscoe was appointed head of chemistry at Owens College, Manchester and held…

    • 1665

    First edition of Robert Hooke's seminal volume, the first large work to illustrate microscopical objects, with copperplates engraved by Hooke himself. All 38 copperplates from the volume are digitized here, with…