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 5905-01-242-5022
NSN 6135-01-370-2599
NSN 6645-01-292-9778
NSN 5975-01-417-4387
NSN 5855-01-295-2313
NSN 2925-01-595-9720
NSN 5915-00-729-1276
NSN 6135-01-576-9616
NSN 6220-01-452-4384
NSN 6135-01-432-2785
NSN 5915-00-630-4510
NSN 6145-00-413-5094