Cres material; 10/1 div proportions; replaceable points; includes 8 spare points, 4 short and 4 long, in parts tube; includes screwdriver; with precise rack and pinion movement; matte-nickel-silver finish; case velvet lined
An instrument consisting of two branches or legs which are pointed at both ends and joined by a sliding pivot, the position of which may be so adjusted that the ratio of the distance between one pair of points and the pivot and the distance between the other pair of points and the pivot may be varied. This combination produces the variable ratios. Used for making proportional transfer of measurements.
Classification: Drawing, marking-out or mathematical calculating instruments, nesoi
NSN 5985-01-357-7200
NSN 5835-00-055-0953
NSN 5835-01-355-3654
NSN 5998-01-441-8541
NSN 5975-00-688-4625
NSN 6650-01-573-0616
NSN 4140-00-149-9800
NSN 6610-00-089-6950
NSN 5935-01-070-7439
NSN 4140-01-449-2131
NSN 5960-00-963-1285
NSN 6150-01-654-5963