Topographic Abney Hand Level

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Topographic Abney Hand Level

All brass construction, 6-3/8" long, internal focusing telescope with a ultra-sturdy black finish, square sighting tube, and two interchangeable arcs: one arc graduated in percentage of grade and degrees, 0 to 60 in both directions, and the other graduated in percentage of grade and topographic scale. Complete with Cordura belt loop case