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 5920-00-926-7464
NSN 4140-01-288-0764
NSN 5950-01-534-1137
NSN 7035-00-020-2227
NSN 5910-01-541-4428
NSN 5945-01-333-2413
NSN 7035-01-462-5766
NSN 5930-01-030-9799
NSN 5930-01-468-4808
NSN 5999-00-985-4946
NSN 5996-01-346-8809
NSN 2925-00-246-3077