Product Description
Belt Spin Model (P582F) Well finished product used for demonstrating that white light may be composed from all the spectral colours by rotation of the multi coloured disk. Mounted on a metal stand the 180mm diameter disk is driven by a belt with the help of the hand driven wheel. Hand Spin Model (241-001) Approx 200mm dia. Used to demonstrate how white light can be composed from a mix of primary colours.
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