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A durable, economical, simplified, hand-operated model that demonstrates the orbital relationship of movement of Sun, Earth and Moon throughout the year and shows solar, lunar and annular eclipses, moon phases, and seasons etc. The sun sphere is lighted with the beam always pointed towards the Earth to show moon shadow and display twilight zones on the earth sphere. A chain drive keeps the North-pole pointed towards the Polaris.
School Science Lab Equipment has been manufacturing the best lab equipment for schools, colleges, and various laboratories where there is a prime focus on experimentation and research.
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