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 5930-01-541-4971
NSN 5895-01-570-0010
NSN 7035-01-525-5873
NSN 5935-00-972-8122
NSN 5855-01-138-4985
NSN 5905-00-301-3689
NSN 5920-01-045-1484
NSN 6150-01-080-7919
NSN 6105-00-418-9648
NSN 6150-01-005-0150
NSN 5915-00-058-5883
NSN 6320-01-198-4024