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1995. Ormiston H. Walker. You and your students can construct your own models and equipmentÑa star finder (planisphere), a comet, an Òelipsograph,Ó a refracting telescopeÑwith the help of this fascinating resource! Background information on 44 specific topics leads into the hands-on investigations. Five activities include reproducible materials to use in the projects. The book covers basic astronomy, a star's life, the planets, and the atmosphere. All activities can be adapted for use as teacher demonstrations or as student projects. 144 pages, soft cover, b&w illustrations and color photos. Grades 7Ð12.