.~ Including particles loosely housed for agitation
DEFINITION
Classification: 353/2
(under subclass 1) Subject matter including a chamber of loosely assorted objects, usually of irregular shapes, transparent and varicolored, which may be tumbled over each other by rotation of the chamber or moved in other ways to give ever-changing visual effects.
SEE OR SEARCH CLASS
359, Optics: Systems (Including Communication) and Elements,
617, for similar kaleidoscope structure where the pattern is viewed without use of an image projector.
