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
Space Shuttle Poster Set, set of four blueprints shows you the placement of the different types of thermal insulation that was used on the Space Shuttle, types of materials used in various areas changed as the Space Transportation System evolved, Set of 4 posters: 12 x 18 in
Universe II Laminated Placemat Chart, The poster sized chart is good fit for bulletin boards and walls, Illustrates major stages in the evolution of the universe starting with the Big Bang, Provides a summary of modern cosmology
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