Trippensee® Hand-Driven Illuminated Planetarium Model

Product Description

A lighted model of the world’s most widely used planetarium. It shows synchronized motions of Venus, Earth, moon, and sun, and other planetary phenomena, including all the important Earth, moon, sun relationships. The light is used to graphically illustrate lunar, solar, and annular eclipses; phases of the moon; and areas of day, night, and twilight. With a minimum of care, this Trippensee® Planetarium will give 20, 30, or more years of trouble free service as thousands already have.

*NOTE: This Trippensee® Planetarium model is carefully constructed of polished nickel-plated brass, stainless steel, and durable plastics. Gears, pinions, and bushings are accurately machined and finished. A comprehensive instruction manual is included with the planetarium.