Plastic
An instrument consisting of a jointed arm with one end fastened to a rectangular shaped board and the other end free to move over the surface of the board. Attached to the free end of the arm is either a triangle, a protractor head and triangle, or a protractor head and l-square.
Classification: Drafting tables and machines, whether or not automatic
NSN 6110-01-258-0801
NSN 5905-00-983-6185
NSN 5996-00-164-7288
NSN 5835-01-084-6997
NSN 5925-01-461-4719
NSN 6620-00-500-0041
NSN 5905-01-231-9478
NSN 5999-01-649-2190
NSN 6610-00-142-9678
NSN 6105-01-138-8673
NSN 5915-00-269-2748
NSN 5965-00-465-9566