Newton's Colour Disc, Mounted On Motor

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Specifications
BrandOPTEC
Description
For demonstrating that white light is composed of all the spectral colours through the additive mixing of the colours. Comprising a multi-coloured circular disc of about 80mm diameter, having sectors of various spectral color in proper proportions, mounted on a low voltage DC motor. On rotating the disc, all the colours are observed to disappear by merging into a single white colour. Provided with colour-coded wires terminating in 4mm banana plugs, connected to the motor for power input.