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 5925-00-231-8668
NSN 6110-01-490-2349
NSN 6650-00-382-6080
NSN 5895-01-436-5223
NSN 6610-01-604-1330
NSN 5930-01-623-1996
NSN 6685-01-007-0259
NSN 5990-01-126-5824
NSN 6110-00-263-6664
NSN 5960-00-156-0702
NSN 5945-01-500-1904
NSN 6150-01-580-3025