other foucault movie

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Uploaded by on Sep 1, 2008

A movie about my foucault testing and some questions for those who might help answer them.
Sorry about the whit light in the foreground. I need to baffle the new LED better.

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Science & Technology

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Standard YouTube License

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Uploader Comments (tabhorian)

  • Mirror has a central bulge and a TDE.

  • @grad2616 sure did. It took forever to get the TDE out. The bulge came and went. I have shelved it all in order to finish the scope, (and rebuild the shed and wood shop). I hae maybe 2 more hours of work to get it acceptable. The dog-biscuit is long gone now.

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  • Assuming you put the LED on your right, I suppose you have to fix a wide TDE first. The central hill is less difficult to fix. However, a hard lap will help you to eliminate the dog biscuit appearance. Good. luck.

  • Great Video! Does your knife edge come from the right or left of the mirror? I'm assuming from the right?

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