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Thin lens

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Syed Viqar

Jun 11, 2018
07:32

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Where very large 4 mt dia and above, very light, very cheap refractive lens of acrylic can be used. Lens generating 2000-3000 degree Celsius at focal point.


Jim Moss

Feb 28, 2019
12:44

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Many thanks for this post, this is what I need, I will definitely try.

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