ESAW  Newton's Colour Disc Mounted On Motor (LO-6439)

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 80 mm 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 4 mm banana plugs, connected to the motor for power input.