Rochelle salt and blood

    Date
    1766
    Creator
    Adam Wolfgang Winterschmidt (1733 - 1796, German) , Engraver
    After
    Martin Frobene Ledermuller (1719 - 1769, German) , Naturalist
    Object type
    Library reference
    48660
    Material
    Technique
    Dimensions
    height (print): 245mm
    width (print): 195mm
    Subject
    Description
    Two studies of magnified materials. Figure 1 (top) shows crystals of ‘Sel de Seignette’ or Rochelle salt [Potassium sodium tartrate], first produced by Pierre Seignette of La Rochelle, France. Figure 2 (bottom) shows blood and capillaries, including details.

    Plate 50 from Amusement microscopique, tant pour l'esprit que pour les yeux, contenant... estampes... d'apres nature...by Martin Frobene Ledermuller, plates volume (Adam Wolfgang Winterschmidt, Nuremburg, 1764).

    Inscribed above: ‘TAB.L.’ Inscribed below: ‘A.W.W. interschmid. exc. Norimb.’

    The accompanying text is headed: ‘Table L. Figure I. Configuration du Sel de Seignette.’ [configuration, or structure, of Seignette salt]. Figure II. Une petite Goute de Sang. [A small drop of blood].

    Martin Frobene [Frobenius] Ledermuller (1719-1769) German naturalist was employed in various capacities as a notary, turning to microscope studies after an illness induced temporary deafness.
    Associated place
    <The World>
       > Europe
          > Germany
    Credit
    ©The Royal Society
    Image number
    RS.18151
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