Quick Answer: The Newtons Disc Card is a 180 mm card disc printed with the colours of the spectrum, used to show the effect of additive colour mixing in a simple way.
Last updated: October 2026
Key Features
Card disc printed with the colours of the spectrum
Diameter of 180 mm
When spun rapidly, the colours seem to disappear to almost white
Suitable for use with the Newton's Colour Wheel
About This Product
Mounted on a whirling table or a similar device and spun rapidly, the disc stops showing separate colours and takes on an overall neutral tint, close to white. This makes it a simple demonstration of additive colour mixing. Export supply of the Newtons Disc Card can be arranged to laboratories and schools in Zambia, Philippines, Serbia, Honduras, Guinea and Turkmenistan.
Frequently Asked Questions
Q1. How is the disc spun? It can be mounted on a whirling table or similar device, and it is suitable for use with the Newton's Colour Wheel.
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