Rive Ray Box LILT-8300/67

It comprise of an adjust metal light box with mounted transformer. During experiment a piece of white paper is placed in front of the ray box, on a flat surface. Can traced the position of optics and rays on the paper. Many experiments in optics can be performed using the rive ray box source which produces intense light of parallel, divergent or convergent rays. During experiment a piece of white paper is placed in front of the ray box, on a flat surface. can trace the position of optics and rays on the paper. It consists of an adjustable metal light box with mounted transformer. One, three or five thin rays or wide beam may be produced by an adjustable screen. Complete with a three wire cord. Operatable on 11 OV AC, 60 cycle.