ERGOSCOPE
APPARATUS FOR MEASURING HUMAN SIGHT DIRECTION, ANGLE AND POINT OF VIEW IN DIVERSE POSTURES, NAMELY VISUAL POINTER COMBINING SUCH ELEMENTS AS A FIREARM'S GUN SIGHT (A REAR SIGHT "V" BLOCK AND A FRONT BEAD), A HORIZONTAL LEVEL, A PROTRACTOR, AND A LASER BEAM GENERATOR THE VISUAL POINTER (OPTICAL HEAD) IS MOUNTED ON A PLATFORM AND COULD BE MOVE UP OR DAWN BY A MOVING ADJUSTMENT MECHANISM
Abandoned · September 22, 1999 · 75805714 ·
