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 5855-00-014-5008
NSN 5945-00-057-2401
NSN 6685-00-141-4300
NSN 5950-00-548-2187
NSN 5920-01-411-7033
NSN 5915-01-037-0137
NSN 5985-01-036-1300
NSN 6105-01-472-7138
NSN 5835-01-005-8564
NSN 5920-01-377-9518
NSN 5965-01-386-2988
NSN 6150-00-407-4277