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 5935-01-141-5403
NSN 5960-00-465-0566
NSN 6610-01-362-8686
NSN 5945-01-120-2197
NSN 5960-00-729-5376
NSN 6135-00-269-5843
NSN 5930-00-540-0900
NSN 5910-00-900-4834
NSN 6105-01-114-4452
NSN 5999-01-608-3731
NSN 6135-01-503-1688
NSN 5855-01-305-8524