Ray Box with Free Accesory Kit

**** Clearance Item. Limited stock available ****

To provide a simple means of producing single or multiple rays of light for use in elementary optics. Made of die-cast alloy, the ray box has an open front and vertical internal grooves to accommodate a slit plate and a cylindrical lens. Supplied complete with a plastic plate having single and triple slits, a 12 V 24 W SBC line filament lamp, and a lamp holder