Classroom Optics and Light Studies
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Educational Innovations POLARIZING FILTER 6IN X 6IN
When two polarizing filters are placed atop one another, they can be transparent or opaque to light. By rotating one of the filters, the transmitted light passing through the filters may be turned 'on' or 'off'.
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Perkin Elmer US LLC Concave Tip for High Pressure Clamp
Successful ATR analysis depends on how well the sample being analyzed comes into contact with the crystal. The High Pressure Clamp ensures the perfect amount of pressure. The clamp is shipped with three different tips: flat, concave, and swivel. Each tip is designed for specific types of sample.
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