Tech-Med* Pocket Eye Test Chart, Use at 14 in Provides 20/800 distance, Durable, laminated plastic, Metric & English Scale on back, Size: 6-1/2x 3-1/2 in
V2 Rocket Poster, Aero-Art blueprint is digitally scanned from original, vintage NASA artwork, V-2 rocket, technical name Aggregat-4 (A-4), was used by the Germans during World War II against the population of England, Poster: 22 x 16 in
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
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