A thin flat piece of metallic, plastic, or similar material having one or more edges used as a guide for drawing curves, all portions of which are not subject to the same mathematical formula.
Classification: Drawing, marking-out or mathematical calculating instruments, nesoi
NSN 6610-01-044-4740
NSN 6685-01-246-8893
NSN 5920-01-140-1120
NSN 6145-01-360-2077
NSN 2925-01-443-1748
NSN 6685-01-239-1293
NSN 4140-01-235-7082
NSN 5835-01-647-0775
NSN 5996-00-927-4983
NSN 6610-01-411-3372
NSN 6320-00-546-9249
NSN 6130-00-245-3251