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 5935-00-400-1036
NSN 5905-00-794-2399
NSN 5905-00-204-9861
NSN 5965-01-030-7253
NSN 5935-00-637-2643
NSN 6150-00-145-7612
NSN 5945-01-423-5996
NSN 5910-01-501-6192
NSN 6650-01-629-4863
NSN 5965-01-592-8748
NSN 6130-01-661-3490
NSN 6650-01-564-0665