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 6220-01-284-0016
NSN 6650-01-127-3693
NSN 6135-01-185-1057
NSN 6320-00-004-9158
NSN 6685-01-524-2923
NSN 6240-01-275-1013
NSN 5965-01-158-1522
NSN 5950-01-359-6209
NSN 5950-01-393-3350
NSN 5855-00-885-8452
NSN 5960-01-364-1318
NSN 6685-00-149-3624