Latest model designed for quick and convenient measurement of refractive index and also dispersion of liquids and solids. In additional sugars scale in provided facilitating measurement of percentage of sugar in solution. Useful for measuring refractive index in the range of 1.3 and 1.7 with an accuracy of 0.01 direct on scale and 0.0001 by estimation. Sugar percentage of0.95% with an accuracy of 1% on scale and 0.01by estimation can be measured. Packed in a wooden cabinet.