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 6145-01-633-4088
NSN 5920-00-152-4003
NSN 6645-01-232-4843
NSN 5895-00-650-4778
NSN 6650-01-436-1173
NSN 5835-01-303-6563
NSN 6130-01-568-7844
NSN 5895-00-299-1601
NSN 5855-01-038-2189
NSN 6105-01-045-5128
NSN 5996-01-508-9449
NSN 6110-01-189-3048