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 5975-00-312-7970
NSN 5930-01-289-4276
NSN 5945-00-773-3394
NSN 5895-01-455-4521
NSN 5950-01-299-3239
NSN 5965-01-480-3096
NSN 6685-01-298-4665
NSN 2925-00-149-0760
NSN 6220-00-099-9192
NSN 5930-01-316-9856
NSN 6645-01-382-3114
NSN 5945-01-034-9913