An instrument used for reducing and enlarging the outline of a drawing, map or draft by means of adjustable arms.
Classification: Parts and accessories for surveying
NSN 5930-01-512-2178
NSN 5855-01-100-3272
NSN 6645-00-736-0476
NSN 5998-01-485-3951
NSN 6650-01-481-8009
NSN 6320-01-033-6624
NSN 7035-01-455-3482
NSN 5950-00-795-4802
NSN 5835-00-904-6272
NSN 6320-01-470-6826
NSN 6685-01-236-0339
NSN 7035-01-119-6271