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 2925-00-863-8578
NSN 6320-01-493-4472
NSN 6650-01-393-4152
NSN 5925-01-650-7666
NSN 7035-01-642-1749
NSN 6220-01-449-0952
NSN 5930-01-199-9914
NSN 6645-01-502-3068
NSN 4140-00-234-8524
NSN 5999-01-077-3480
NSN 6130-01-331-8349
NSN 2925-01-464-8392