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 5930-01-598-4558
NSN 5925-01-545-3083
NSN 5999-01-017-6655
NSN 5835-01-191-3405
NSN 6620-00-814-4770
NSN 2925-01-628-7580
NSN 5935-00-518-3576
NSN 6105-01-394-4175
NSN 5999-01-081-0309
NSN 6145-00-059-3573
NSN 6130-00-004-1239
NSN 2925-01-197-7864