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 5935-00-707-0740
NSN 5910-00-887-5970
NSN 5905-01-565-5685
NSN 5985-01-502-7220
NSN 7035-00-238-3662
NSN 6320-01-462-2295
NSN 5915-00-053-4369
NSN 5985-01-284-6859
NSN 5910-01-286-3782
NSN 5996-00-100-4315
NSN 5920-01-415-0153
NSN 6145-01-026-0030