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. |
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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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