Optical set, complete with light box operating from a 12 V a.c./d.c., 3 A power supply. The set comprises 3 different prisms, semi-circular and rectangular slabs, two bi-convex and one bi-concave lenses, plane, half round and parabolic mirrors, slits, bul

This product, 'Optical set, complete with light box operating from a 12 V a.c./d.c., 3 A power supply. The set comprises 3 different prisms, semi-circular and rectangular slabs, two bi-convex and one bi-concave lenses, plane, half round and parabolic mirrors, slits, bulb, colour filters and cards.', is a high-quality educational model designed for hands-on learning and visual demonstration.