FusionLarge Sized Chart 59x 42inch, up-to-date inchformation on plasma physics and fusion reactions, examples of solar and terrestrial fusion reactions, explainchs how Einchsteinchs famous E=mc2 describes the process of fusion and offers illustrations of everyday and exotic plasmas
Tech-Med* Plastic Eye Chart, 20 feet, test distance with non-reflective matte finish, Kindergarten eye chart features shapes like boats, hearts, stars, and circles, Tumbling E's chart features E's in different directions, Snellen chart features letters of the alphabet