Uber die Veranderungen der Hohe Welche die Oberflache des Kaspischen Meeres (Signed copy)
Inscribed by Emil Lenz to British physicist Samuel Hunter Christie
First edition. Paper covers. 27 × 21cm, 38pp (pp25–38 have had their page numbers edited). German text.
Signed to the front cover, "S H Christie Esq, with the author's respectful compliments". Christie was Samuel Hunter Christie (1784–1865).
Full title: Uber die Veranderungen der Hohe Welche die Oberflache des Kaspischen Meeres bis zum April Des Jahres 1830 Erlitten Hat
This is a rare printing of a lecture given by noted Russian physicist Heinrich Friedrich Emil Lenz covering his work researching and recording the levels of the Caspian Sea whilst he accompanied Otto von Kotzebue on his third expedition around the world from 1823 to 1826.
The covers are creased to the edges and foxed, as are the pages. The foxing is heaviest to the title page and final page but present throughout, mostly to the margins. The pages are creased to the corners and lightly throughout. The binding is holding fast but with some loosening to the spine particularly to the foot. The author's inscription is clear and in dark brown ink. Otherwise a decent copy of this rare paper which remains in strong readable condition.
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