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To demonstrate additive color mixing in conjunction with the Motor with drive control (U11040). Plastic round disc with segments in the colors red, orange, yellow, bright green, dark green, light blue, dark blue, and violet. The colors are ... more

Newton’s Colour Disc for demonstrating additive combination of colours. Mounted on a stable box, moved by a DC motor. Diameter of disc: 90 mm Motor: 4 … 6 V DC Connection: 4 mm safety sockets Dimensions: 135×85× ... more

Newton’s Colour Disc for demonstrating additive combination of colours. Mounted on a stable base, moved with crank. Diameter of disc: 178 mm Dimensions of the base: 143×90×282 mm³ more

Hand spectroscope in a flat cardboard box with built-in wavelength scale for direct reading of coarse wavelengths for spectral lines and spectra. Dimensions: 180 x 115 x 25 mm more

Device for demonstrating additive mixing of the primary colours red, green and blue (RGB) to produce any colour shade using three LEDs (3W) as light sources. Three controllers allow continuous adjustment of LED intensity. The projection size ... more