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Spectra There is 1 product.

  • Special Spectra

    This is intended 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. A continuous reference spectrum is projected as well as the spectrum of a filtering material.

    This is intended to be used with a standard overhead projector to display, describe and...

    This is intended 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...

    18760

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    $56.75
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