Kern Aarau DKM3 Theodolite

Kern Aarau DKM3 Theodolite

Kern Aarau DKM3 Theodolite Swiss Made Surveyor!The DKM 3 is a compact and stable instrument suitable for first and second order triangulations that weighs 20 pounds, and that reads direct to 0.5 seconds and by estimation to 0.05 seconds. Kern introduced the form in 1956, noting that they planned to build about 50 units a year. Like the double circle theodolites that Heinrich Wild designed for Kern in the late 1930s, the DKM 3 uses glass circles and an optical micrometer. Here, however, the telescope has a relatively large aperture (72 mm), long effective optical path (24 inches), but a short length overall (6 inches) so that it can transit in either direction.
Excellent Condition
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