(under subclass 414) Subject matter which includes at least two liquid light transmissive containers of the same type, the liquid in all of the containers differing only in shade or tint from each other, and support means for the containers to permit the simultaneous viewing of all the contained liquids axially or laterally of the containers.
(1) Note. Here the filters are the contained liquids which are standards of varying tint or shade of the unknown color or the filters are formed of a standard solution such as distilled water which is used in conjunction with colored transmissive solid filters which form various colors, tints, or shades. One of the liquids may be the tested colored solution.
