The Economy Light Source for Meter Stick Optics Bench is a well-balanced light source that uses any standard miniature lamp and power source.
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An excellent alternative to more expensive light sources for your meter stick optics benches. This well-balanced light source uses any standard miniature lamp and power source. Power wires can be secured with the screws on the base or clipped on with alligator clip connectors. The height of the light source can be adjusted by bending the spring steel base. The convenient triangular base serves as a marker on the meter stick and makes taking measurements easier. An excellent value for a necessary item. Bulb available separately.