Bidspirit auction | Antique Abney Level Clinometer Survey

Antique Abney Level Clinometer Survey Instrument - Antique Abney Level Clinometer, a handheld instrument used by surveyors, engineers and foresters to measure vertical angles and slopes, features a sighting tube with a fixed graduated arc, a movable arm, crafted from brass with a dark, aged patina, includes the original hand-stitched leather carrying case, marked with a ”7”, 5” long, use this if you need to calculate the height of trees, the slope of a road, or the grade of a landscape, good condition, see photos. From the Dale Beeks Collection.