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 6620-01-397-3543
NSN 6620-01-596-3642
NSN 5985-01-320-7012
NSN 6610-00-250-5344
NSN 6620-01-232-8550
NSN 6645-01-328-6886
NSN 6145-01-113-8205
NSN 6220-00-573-7385
NSN 6105-00-090-9495
NSN 6150-01-356-9794
NSN 6685-01-590-1161
NSN 5905-00-184-9770