Color index

Claim 1

IN A COLOR INDEX HAVING A BASE WITH AN UPRIGHT PIVOT; A CENTRALLY APERTURE TRANSPARENT FIRST COLOR DISC ON SAID BASE JOURNALED ON SAID PIVOT; AN OUTER SERIES OF SPACED RADIALLY EXTENDING COLOR SECTORS OF VARYING COLOR DENSITY OF A FIRST COLOR RANGING PROGRESSIVELY FROM 10% TO 100% IN 10% INCREMENTS ARRANGED IN AN OUTER CIRCUIT UPON SAID DISC; AN INNER SERIES OF SPACED RADIALLY EXTENDING COLOR SECTORS OF VARYING COLOR DENSITY OF SAID FIRST COLOR SPACED RADIALLY INWARD OF SAID OUTER SERIES RANGING PROGRESSIVELY FROM 5% TO 100% IN 10% INCREMENTS ARRANGED IN AN INNER CIRCUIT SAID DISC; WITH THE RESPECTIVE SECTORS OF THE OUTER AND INNER SERIES BEING RADIALLY ALIGNED AND AT 5% COLOR GRADUATIONS THEREBETWEEN; A SERIES OF SPACED NUMBERED OUTER CODE BOXES IMPRINTED ON SAID DISC OUTWARDLY OF THE OUTER SERIES OF SECTORS ARRANGED IN A CIRCLE OF A PREDETERMINED FIRST RADIUS; A SERIES OF SPACED NUMBERED CODE BOXES IMPRINTED ON SAID DISC INWARDLY OF THE INNER SERIES OF SECTORS, ARRANGED IN A CIRCLE OF A PREDETERMINED SECOND RADIUS; SAID CODE BOXES BEING IN RADIAL ALIGNMENT WITH CORRESPONDING SECTORS RESPECTIVELY AND HAVING NUMERICAL DESIGNATIONS CORRESPONDING TO THE COLOR DENSITIES OF THE RESPECTIVE SECTORS; EACH SECTOR REPRESENTING A LAYER PIGMENT OF PRE-DETERMINED DIFFERENT COLR DENSITY;