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    What People Are Saying

    Nice and sturdy
  • Jedediah
  • 01/31/2017
  • These are small, cardboard diffraction gratings but they aren't flimsy and hold up well to normal use, even by children. They definitely do the job they are meant to do.
    Great fun!
  • Darla
  • 08/05/2016
  • We made spectroscopes with these taped onto the ends of paper towel rolls. The kids enjoyed looking at all the different light sources they could find in the house and comparing the spectra.
    Excellent price and quality
  • Tari
  • 09/27/2015
  • These diffraction gratings produce clear spectral lines for a chemistry gas emission lab. My physics students also used them to reliably calculate the wavelength of light.

    reward points

    Diffraction grating, 1000 lines/mm

    Ages 11+

    Item# OP-DFG1000

    $1.70 in_stock

    In Stock

    Order now to ship Today. Express shipping is available.
    Product Overview
    This linear diffraction grating contains 1,000 lines per mm and is mounted in a 2" x2" cardboard frame.

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    QUANTITY 1 - 9 10+
    PRICE $1.70 $1.55
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    • Product Details

      Diffraction grating, 1000 lines/mm

      This linear diffraction grating contains 1,000 lines per mm and is mounted in a 2" x2" cardboard frame.

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