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Linear polarizing film for use with visible light.
Linear polarizing film for use with visible light. Use the small squares for individual student work...
This low-cost filter kit includes six 8" x 10" filters of primary and secondary colors, complete with...
Linear polarizing film for use with visible light. These filters are mounted in handy 35mm slide frames...
Use the Primary Mixing Colors Red, Blue & Green, the Secondary Colors Cyan, Yellow & Magenta...
Unique spectrum graphs make it easy to explore the intricacies of light wave absorption and transmission....