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 5895-00-944-9271
NSN 5915-01-224-3038
NSN 6145-01-201-2320
NSN 6610-01-431-8575
NSN 5905-01-364-1160
NSN 5910-01-633-9963
NSN 5895-01-435-6624
NSN 5835-00-269-2232
NSN 5999-01-331-2613
NSN 6150-01-189-2921
NSN 5996-01-351-1558
NSN 5915-01-258-7435