in which the coin is balanced on the long edge of an undistorted hanger, is described by Sutton M-155 and Miller p63 Original Construction: The coathanger was stretched to form a diamond shape with ...

A steel spring, a 100g mass hanger, 12, 100g masses, a retort stand, a boss and clamp, a clamp, a metre rule, an s-hook, a pointer, safety goggles, a slotted base.