Patent ID: 8021158
Filing Date: 2011-09-20
Classification: G01B,G09B

Abstract:
1. An apparatus for measurement instruction comprising: a base medium having disposed thereon, a plurality of measurement scales, each of the measurements scales being longitudinally aligned such that equal units of measure are commonly aligned among all of the measurement scales; the plurality of measurement scales further comprising; a first measurement scale having a plurality of uniquely color-coded base units of measurement periodically disposed thereon; a second measurement scale having a plurality of first color-coded subunits of measurement periodically disposed thereon, each first subunit equaling one half of each base unit and color-coded in a shade of each corresponding base unit; and, an elongated element configured to receive the base medium; wherein the color-coded base and color-coded subunits form color-coded areas dimensioned to correspond in size to the units and the subunits of measure.