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phototube current meter |
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phototube current meter [′fōd·ō‚tüb ′kə·rənt ‚mēd·ər] (engineering) A device for measuring the speed of water currents in which a perforated disk, which rotates with the current by means of a propeller, is placed in the path of a beam of light that is then reflected from a mirror onto a phototube. 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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