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 5895-01-419-0145
NSN 6620-01-608-2682
NSN 6220-01-485-0333
NSN 6220-01-408-1747
NSN 6105-00-255-2153
NSN 6620-01-441-0240
NSN 5930-01-435-5358
NSN 6220-01-419-3980
NSN 6645-01-091-8215
NSN 6240-01-476-7357
NSN 5915-00-067-5756
NSN 4140-01-080-8268