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 5998-01-005-0310
NSN 6105-01-642-1070
NSN 5925-01-585-3670
NSN 6145-01-640-8840
NSN 6145-01-179-5389
NSN 6240-01-069-7450
NSN 2925-01-233-8545
NSN 5950-00-988-1958
NSN 6610-00-325-0485
NSN 5950-01-463-6788
NSN 2925-01-629-9416
NSN 5895-01-477-8693