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 6650-01-281-4651
NSN 6220-00-079-2943
NSN 5930-01-025-4268
NSN 5930-01-264-0018
NSN 5905-00-059-7486
NSN 4140-01-395-9228
NSN 5935-01-643-2484
NSN 5960-01-370-4285
NSN 5945-01-488-5602
NSN 6240-01-495-0597
NSN 5925-01-096-8607
NSN 6150-01-090-0720