Ray Box

Comprises a well painted, die-cast metal box with an enclosure that houses electric bulb for use as a light-source in the experiments. Open front of the bulb enclosure with holes all around the bulb holder and extended side-fins on the outside of the enclosure assist in the heat dissipation of the bulb. The integral side-rails provided with a set of vertical-grooves on inner side for accommodating various 45 mm wide mountings such as slit plate and cylindrical lens. The 12V bulb with vertically straight filament,mounted in SBC bulb holder with a two core flexible connecting lead terminating in a pair of 4 mm banana plugs for connecting it to low voltage AC power source. Supplied complete with slit plate, double ended single/triple but without collimating lens.