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Luckiesh-Moss visibility meter |
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Luckiesh-Moss visibility meter [lü′kēsh ′mȯs ‚viz·ə′bil·əd·ē ‚mēd·ər] (engineering) A type of photometer that consists of two variable-density filters (one for each eye) that are adjusted so that an object seen through them is just barely discernible; the reduction in visibility produced by the filters is read on a scale of relative visibility related to a standard task. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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