Chrome plated; 3 bolt holes for mounting; it has a series of 4 concentric circles that give a rating of 60 minutes or 1 degree per division
A precision instrument used to determine a horizontal plane in all directions on one setting. It is centrally located in relation to the periphery of the top of the item, for centering the bubble. The item may be mounted to a cylinder.
Classification: Drawing, marking-out or mathematical calculating instruments, nesoi
NSN 5895-00-079-2055
NSN 4140-00-518-2744
NSN 6220-01-605-4463
NSN 5930-00-593-9927
NSN 5945-01-505-0434
NSN 6240-01-442-4623
NSN 5985-00-578-7740
NSN 6320-01-143-3597
NSN 5855-01-213-3267
NSN 6320-00-194-4252
NSN 5920-01-147-5652
NSN 6110-01-547-4879