Kopp, Hermann; Einleitung in die Krystallographie und in die Krystallographische Kenntniss der Wichtigeren Substanzen. Braunschweig, 1862. Octavo text, pp. xiv, 348. Atlas, oblong 22 full page plates of crystal diagrams and 6 folded diagrams of crystal models.

The set is complete and in the original brown cloth with gilt spine titles. The bindings are tight, gilt library stamp on lower inner edge of each volume. The text and plates are very clean with embossed stamp on title pages. In very good condition.
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Kopp (1817-1892), a German chemist at the University of Heidelberg. He was a pupil of Leopold Gmelin [1788-1853] and Justus Liebig [1803-1873]. He became professor of chemistry at Giessen and Heidelberg in 1863. Kopp is best known for his work on physical chemistry and crystallography and publications on the history of chemistry. His introductory treatise of crystallography; Enleitung in die Krystallographie (Introduction to Crystallography) for students of chemistry and mineralogy was prepared by Kopp for teaching courses in crystallography. The work is now considered a classic on the subject. The first section is an introduction that discusses the basics of crystallography, including axes, systems, crystal physics and crystal chemistry. Each of the seven crystal systems is then described in great detail. Kopp gives the description and measurement of the angles of a large number of natural and artificial crystals. The atlas includes several plates, and is especially noted for the cut-out folding crystal models, which were used to craft examples of crystals.