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 6620-00-787-6683
NSN 5998-01-249-3057
NSN 5945-01-516-1961
NSN 6145-00-088-1687
NSN 6220-00-139-5276
NSN 5935-00-425-1505
NSN 5915-01-387-2121
NSN 5910-01-294-0375
NSN 5835-00-905-7165
NSN 5910-01-328-5925
NSN 5835-00-847-7277
NSN 5935-01-486-6261