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 6105-00-725-1572
NSN 6150-01-076-4386
NSN 5835-00-322-3429
NSN 6135-01-265-1384
NSN 5835-00-431-4451
NSN 6220-00-782-2058
NSN 5930-01-606-6319
NSN 5920-00-276-8657
NSN 5975-00-630-8386
NSN 5915-01-553-8852
NSN 5895-00-057-7827
NSN 5855-01-429-8702