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 5990-01-370-7119
NSN 6220-01-609-7059
NSN 5960-00-275-7497
NSN 6105-00-595-5378
NSN 5975-01-501-1668
NSN 5935-01-227-2829
NSN 6150-00-288-6245
NSN 5910-00-103-3106
NSN 5935-01-384-4974
NSN 5835-00-327-6192
NSN 5855-00-160-2286
NSN 6240-01-633-9357