Center of gravity apparatus

Claim 1

IN APPARATUS FOR GRAPHICALLY LOCATING A PERPENDICULAR PROJECTION OF AN OBJECT CENTER OF GRAVITY AS CONTAINED IN A VERTICAL PLANE: SUPPORT MEANS WHICH FREELY ROTATES RELATIVE TO AN AXIS OF ROTATION ORIENTATION PERPENDICULAR TO THE VERTICAL PLANE, CURVED BEAM MEANS CARRIED BY SAID SUPPORT MEANS AND ORIENTED SO AS TO BE TRANSLATABLE RELATIVE TO SAID AXIS OF ROTATION IN A PLANE THAT IS NONDIVERGENT TO THE VERTICAL PLANE, ALTERNATELY POSITIONABLE WEIGHT MEANS CARRIED BY SAID BEAM MEANS AND MOVABLE TO ESTABLISH ALTERNATE MARKED CENTERS OF GRAVITY IN SAID BEAM MEANS, CONNECTING MEANS FOR SECURING THE OBJECT TO SAID BEAM MEANS, AND PENDULUM MEANS HAVING UPPER AND LOWER REFERENCE EDGES WHICH ARE LOCATED ALONG A STRAIGHT LINE THAT INTERSECTS SAID SUPPORT MEANS AXIS OF ROTATION, SAID PENDULUM MEANS BEING FREELY ROTATABLE RELATIVE TO SAID SUPPORT MEANS ABOUT SAID AXIS OF ROTATION, AND SAID BEAM MEANS ALTERNATE CENTERS OF GRAVITY BEING SUCCESSIVELY POSITIONABLE AT SAID PENDULUM MEANS UPPER REFERENCE EDGE TO GRAPHICALLY LOCATE THE OBJECT CENTER OF GRAVITY PERPENDICULAR PROJECTION AT AN INTERSECTION OF THE LINES ESTABLISHED BY THE RESPECTIVE SUCCESSIVE POSITIONS OF SAID PENDULUM MEANS LOWER REFERENCE EDGES.