ESAW  Newton's Colour Disc, On Stand (LO-6466)

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 having sectors of various spectral color in proper proportions. On rotating the disc at sufficient speed, all the colours will be observed to disappear by merging into a single white colour. The disc has a friction pulley at the back touching the driving wheel with a handle. Complete assembly mounted on a stable base

• LO-6466            Newton's Colour Disc, smaller economical model, 150mm diameter
• LO-6466             Newton's Colour Disc, bigger size, 200mm diameter