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 6650-01-253-8062
NSN 6150-01-096-4098
NSN 5965-01-129-8551
NSN 6645-01-553-8500
NSN 6135-00-377-9165
NSN 2925-00-172-9264
NSN 5895-01-474-6161
NSN 6685-01-092-9022
NSN 2925-00-338-4667
NSN 5895-01-249-7396
NSN 5985-00-197-4299
NSN 5950-01-224-7560