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Newton's Color Disc - Hand driven
(1) Newton's color disc
For demonstrating that white light may be composed from all the spectral colors by rotation of multi-colored disc. Comprising a multicolored disc, 175 mm diameter, mounted on metal stand and driven by belt with the help of driving wheel, fitted with a handle.
Started over 50 years ago as a small, family-owned manufacturing company, Eisco now produces over 6,500 product lines for the science education and scientific research markets. They have headquarters in both India and the US, and serve hundreds of distributors around the world.
Their core products include glassware, physics apparatus, biology models & equipment, and chemistry lab supplies. Products are designed by a team of laboratory professionals and engineers with quality and durability in mind.