Disc Colour Newtons 23cm Simple Handpull
$38.15 excl. GST
Colour Disc (Newtons), Hand Spin, Diameter 23cm. Demonstrates that light consists of a number of colours.
Description
Colour Disc (Newtons), Hand Spin, Diameter 23cm. Spin by pulling cord on pulley fixed on handle. Colours disappear and the wheel appears to have turned white when spinning! At rest, the wheel consists of separate colors. Is this true when it’s in motion? Demonstrates that light consists of a number of coloured wavelengths.
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