Patent ID: 6926198

Claim:
A wheel chart comprising: a first rigid disk-shaped member having a hub portion and an obverse surface provided with legible matter extending around at least part of said hub portion; a second rigid disk-shaped member having a hub portion aligned with the hub portion of said first rigid disk-shaped member, said second rigid disk-shaped member being transparent over at least part of an area positionable over said legible matter and permitting said legible matter to be viewed through said second rigid disk-shaped member, said second rigid disk-shaped member having legible matter correlating with the legible matter of said first rigid disk-shaped member to provide information as to the correlation to a wheel-chart user, at least one of said rigid disk-shaped members being a compact disk having a metallized region extending over at least part of an area thereof between said hub portion and an outer periphery of the disk; and an element rotatably connecting said hub portions for relative rotation of said members and selection of said information by said relative rotation.