ERTEL, TRAUGOTT LEBRECHT |
Germany, 1778-1858, MIM OIM |
Repeating circles, 12" and 6" (1836) for Chas. Wilkes, for use on U.S. Exploring Expedition; Level = FLM; Theodolite, 1835 = Observatory of Kazan |
worked with Reichenbach 1814-26; father of Georg and Gustav Ertel. |
Munich. |
Novokshanova-Soklovskaja and Horsky; Italian Inv.; Pipping 1; J.A. Bennett 2. |
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