A favourite of teachers and students for years, the original "Hodson"
Light Box and Optical Set includes all the equipment needed to perform
30 experiments on reflection, refraction, and color. The durable light
box has an adjustable lens that can project a parallel, convergent, or
divergent beam. The front face accommodates slit plates or color
filters and the rear hinged mirrors allow mixing of all 3 beams. Lenses
and mirrors are equipped with handles to prevent smears and scratches
and all supplies fit securely in a thick wood box with foam for safe storage. One
12-V, 3-amp DC power supply (should be checked by an electrician before use)