Ray box provides parallel light rays required for experiments with lenses and mirrors.

Ray box is a metal ventilated lamp house having an open front with extended sides finned externally for heat dissipation and with vertical internal groves to accommodate a slit plate and a cylindrical lens. The light source is a 12 volt lamp with one meter of twin flex cord with 4mm banana plugs for electric connection.

Complete with slit plate having single and triple slits. One side is white and other is black. Supplied with   one lens. Requires a 12-volt power source such as a transformer or battery.

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