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 5925-01-370-1818
NSN 5965-01-094-1796
NSN 7035-00-337-8745
NSN 5895-01-256-7691
NSN 5999-00-251-6711
NSN 5990-01-386-5561
NSN 5950-01-424-6048
NSN 5975-00-505-2626
NSN 6620-01-519-2628
NSN 6610-01-220-9986
NSN 5945-01-038-6198
NSN 6220-00-888-7235