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 5945-01-370-1823
NSN 5960-01-553-4557
NSN 5915-01-521-4073
NSN 6610-01-107-2658
NSN 6130-00-470-7825
NSN 6645-01-466-2083
NSN 5905-01-147-5240
NSN 6130-00-188-1969
NSN 6685-01-444-0974
NSN 7035-01-040-6373
NSN 5935-01-386-3736
NSN 6645-01-613-2053