Has length of 6.720 in., width of 1.750 in. And height of 6.400 in.; uses micrometer scale reading system, direct reading to 1 min of arc within plus or minus 30 sec; the horizontal circle vernier graduation unit is -10 to +90 degrees
An optical instrument consisting of a sighting tube and a quadrant scale plate, used to ascertain the angle of elevation of an object.
Classification: Levels (surveying)
NSN 5855-01-188-4049
NSN 5999-00-721-2024
NSN 6135-01-100-3593
NSN 6620-01-067-0536
NSN 5998-01-057-8840
NSN 7035-01-487-6481
NSN 5915-01-042-1368
NSN 6610-01-460-8898
NSN 6145-00-827-4958
NSN 2925-01-009-9560
NSN 6620-00-555-3992
NSN 5996-00-383-6173