$60 · Vintage 1950s Simplified Planetarium

Simplified Planetarium USA made, 1950s - 1960s 6" yellow finished plastic sphere represents the sun raised from a pedestal and round base segmented by months. At a distance a 4" J. Chein & Co Earth globe and Moon revolves as the seasons change. Missing from the Earth is a mounted dark blue plastic shield representing the universe. Intended for schools. This planetarium does NOT come with a chain. A tellurian is an apparatus for demonstrating only the earth's position and movement (diurnal rotation, annual revolution, etc.) producing day and night and the cycle of the seasons. This device is a simplified planetarium because the moon is present. Rare item, selling for much more than advertised.