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 5925-01-163-6491
NSN 6220-00-909-6124
NSN 7035-00-406-0568
NSN 5990-01-481-3080
NSN 5835-01-558-9444
NSN 5990-01-591-8797
NSN 5855-00-532-0025
NSN 5930-01-436-6085
NSN 6685-01-423-6387
NSN 6220-00-635-8818
NSN 5999-00-515-7354
NSN 5960-00-810-4389