WK-40-1750 Abney Level w/ Mil Scales

The Abney Level is designed for years of use in rugged environments. The internally adjustable bubble magnifier can be focused to user’s eye and locked in place eliminating refocusing. Furnished with four scales—makes it possible to obtain any one or combination of four slope readings: degrees, percent of grade, topographic arc, and chain age correction. Length: 6½”. Arc Radius: 1¾”. Weight: 10 oz.

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