3B Scientific U29305 Reflection and Refraction Set

This complete set comprises a stable 300 by 200mm base plate; a light source with condensor and slit-holder to obtain several types of light beams, with a 12V 21W lamp; connection via cable and 4mm safety plugs; supplied with two spare lamps; the light source can be adjusted, for accurate adjustment of the rays with respect to the optical elements; a scaled disc of diameter 240 mm with double scales in degrees: 90-0-90 degree with a system to position the optical elements; a plane mirror with a fixing device on the disc; a Plexiglas half-cylinder with 200 mm diameter which can be easily placed on the disc; a transparent half-cylinder tank with diameter 200 mm; height 2 cm; scaled in degrees 90-0-90 degree on its cylindrical surface, with positioning on the built-in disc; 2 diaphragms: a single-slit and a triple-slit.