Acrylic Light Guide Demonstrator for Ray Box, 220mm Subcategory_Cylinders designed for image-formation and focal-length

designed for image-formation and focal-length investigation

Diffraction grating mounted on a 90 x 40mm card slide

and 4-pole armature configurations on the same motor frame by swapping interchangeable enameled-copper armatures past a permanent bar magnet on a disc commutator

leaving inertia to drop the ball straight into the waiting receptacle below

Offering four-decade rotary selection from 0 to 11

Acrylic Light Guide Demonstrator for Ray Box, 220mm Subcategory_Cylinders designed for image-formation and focal-lengthBending and curving along its 220mm length, this acrylic light guide traps an injected ray box beam by total internal reflection, modeling the principle behind fiber optics.