The Ray box is a die cast ventilated lamp housing. It has an open front with extended sides, finned externally to promote heat, dissipation and vertical internal grooves to accommodate a slit plate and a cylindrical lens supplied with complete lamp & triple slit, but without lenses of filters. Used in elementary optics to provide single or multiple rays of light for use. Note: Ray Box, Metal and Ray Optic Kit are also available.
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