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Thread: Office Rainbows

  1. #1
    Join Date
    Jun 2009
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    Mesa, AZ
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    Default Office Rainbows

    Here are some of what I call Wesbows, in the office. Produced by a grating from Ed Wesly of Chicago, IL, they really light up a room. There's another strong order on the floor. Who wouldn't like a bit of residential spectra?

    Click image for larger version. 

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  2. #2
    Join Date
    Nov 2008
    Location
    Cleveland Ohio
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    Default

    i would not mind. I have a huge 6"x3" grating from a solar scope I was given That I use to get a single rainbow from but that would be really nice/

  3. #3
    Join Date
    May 2009
    Location
    Sacramento, California
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    576

    Default Great grating

    Ive got a 4 x 4 Jarrel-Ash interferometer grating that's no longer scientifically usable but serves double duty as a rainbow maker in my studio window. 1180 grooves per mm and blazed at 5000A.
    Will there be three phase!!!!

  4. #4
    Join Date
    Nov 2008
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    Cleveland Ohio
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    Default

    Quote Originally Posted by Vidal Wolf View Post
    Ive got a 4 x 4 Jarrel-Ash interferometer grating that's no longer scientifically usable but serves double duty as a rainbow maker in my studio window. 1180 grooves per mm and blazed at 5000A.
    Mine is the same but 6x4

  5. #5
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    Jun 2009
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    Mesa, AZ
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    The grating Ed made is about 8.5x11", and is a transmission cross grating. I stuck it in the corner of the window. He makes much more complex gratings as well.

  6. #6
    Join Date
    Nov 2008
    Location
    Cleveland Ohio
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    Default

    What does he sell them for?

  7. #7
    Join Date
    Jun 2009
    Location
    Mesa, AZ
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    Default

    Don't know. He's a lurker here, I'd recommend sending him a PM. He's also here: http://edweslystudio.com/WelcomeFrameset.html

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