Lot 194

Otto Fennel, Cassel, No. 460, Width 212 mm, circa 1890
A mining compass
Case: brass, steel. Dial: silvered.
The company geo-Fennel für Lasermesstechnik und Vermessungsbedarf (laser measurement and surveying tools) in Baunatal near Kassel still exists; it was founded by Otto Fennel (1826-1891), who produced optical instruments and measuring tools. This compass with lockable needle is used for determining the cardinal points and also as a clinometer. The company produced this type of instrument for many years.

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