LEONHARD, K.C. v. Geologie oder Naturgeschichte der Erde auf allgemein faßliche Weise abgehandelt. Stuttg., F. Schweizerbart, 1836. 5 vols. W. 97 very fine steel-engr. and lithogr. plates, 9 cold. by hand, partly under tissue guards. Sm-8°. - Id. Geologischer Atlas zur Naturgeschichte der Erde. - Vulkanen-atlas zur Naturgeschichte der Erde. Stuttg., Schweizerbart, 1841. 2 in 1 vol. 33, (1) pp. W. 11 (cold.) engr./lithogr. maps to the 1st part & 15 (cold.) engr./lithogr. maps to the 2nd part. Sm-4°-obl. - Tog. 6 vols. Uniformly bound in cont. hcf. w. marbled sides, gilt lettered and dec. spines. (A bit age-toned/browned, some small libr. stamps in places, 1 plate vol. 2 loose, but a very handsome set).Karl Cäsar von Leonhard (1779-1862), German mineralogist and geologist. He collected many mineralogical specimens on scientific excursions in Saxony and Thuringia, continued by travel to the Austrian Alps (including the Salzkammergut). In 1818, through assistance from Baden minister of state Sigismund von Reitzenstein, he was appointed professor of mineralogy at the University of Heidelberg. With the very rare, later published atlas-volume.
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