A device for study on shelling oil-bearing plant seeds comprises a base plate with a vertical rack installed thereon. At the bottom of the rack a horizontally located cantilevered dynamometer prop with a working table having corrugated surface is secured through a spacer for adjustment of the console overhang. In the upper part of the rack a console rotatable in a horizontal plane is mounted, to which a vertically mounted micrometer and a guide body with a vertically movable rod, a pin and a clamp with corrugated working surface are fixed. On the base plate a horizontally located micrometer, an indicator for recording the deviation of the cantilevered dynamometer prop from the equilibrium position and a calibration loader are also mounted.
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