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Fresnel Mirror Set. Complete equipment set for demonstrating the wave nature of light by observing the interference of laser light. This is caused by the reflection of a laser at two black planar glass mirrors which are offset by a small angle of a few minutes. The laser, mirrors and the optical Projector are all mounted on a metal base. One mirror is fixed and the other is adjustable to change the angle of inclination. A Projection screen, a ground glass screen with scaLed crosshairs and a battery box are also included.
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