This spectra kit was designed to be used with a standard overhead projector to display, describe, and discuss the visible spectrum of light and the role of various filters without the usual burden of special language and involved calculation. -- This allows the instructor to determine the appropriate terminology level that can be used. -- Includes: 1 special file folder with slit, 1 holographic diffraction grating, 1 pkg. filter gels, 4 pieces of felt (red, yellow, green & blue), 3 flasks. Required but not included: overhead projector.

$43.50

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GREEN ALGAE SLIDE

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