An instrument having two coaxial centers, one inside the other. A telescope is attached to the inner center and mounted in such a manner that it may be rotated in vertical or horizontal arcs. The outer center carries the horizontal scale. The telescope and horizontal circular scale may rotate about the same axis, independent of each other, or integrally, as a single unit. The scales are read visually by means of verniers. The instrument is usually leveled by means of four leveling screws. It is used for measuring horizontal, or horizontal and vertical angles. Excludes transit, pocket.
Classification: Parts and accessories for surveying
NSN 6650-01-031-7962
NSN 6620-01-350-5103
NSN 5975-01-100-1063
NSN 6220-01-184-8738
NSN 5915-01-532-9322
NSN 6650-00-767-0787
NSN 6130-00-166-1332
NSN 6320-01-365-2701
NSN 6150-01-522-5795
NSN 5975-01-411-6054
NSN 6620-01-184-7384
NSN 5965-01-519-8274