Consists of a robust light box in matt black finish with a 12 V 24 W axial filament lamp with flexible leads. One end of the box takes a cylindrical convex lens in an adjustable sliding mount to enable production of convergent, parallel or divergent beams. The other end of the box has a triple aperture system for colour mixing experiments. The two side apertures are provided with hinged mirrors. All apertures are provided with vertical channels to hold slit plates and/ or colour filters.
But complete with accessories which consist of:
5 Plastic blocks,one rectangular,one semi-circular,one equilateral prism 60Â°x60Â°x60Â°, one right angle prism 90Â°x60Â°x30Â° and one right angle prism 90Â°x45Â°x45Â°.
3 Cylindrical acrylic lenses:one double convex,one double concave, both having the same radius of curvature and one thick convex lens.
3 Mirrors,one plane glass,one curved parabolic and one curved semi-circular.
2 Slit plates, one with three narrow and one narrow slits,the other with four narrow and one wide slits.
1 Set of eight colour filters, red, green, blue, cyan, violet, yellow, orange and magenta.
1 Set of coloured cards, red, green, blue, violet, orange, cyan, yellow and pink.
Complete with one spare lamp, in box.