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 6135-01-566-1034
NSN 6610-01-558-7571
NSN 5925-01-191-3071
NSN 5945-00-061-5542
NSN 6105-01-606-9235
NSN 5930-01-615-7948
NSN 6650-01-347-6785
NSN 5855-01-250-2421
NSN 5998-01-586-4733
NSN 5965-00-946-6692
NSN 5905-00-711-1931
NSN 5855-00-688-9954