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pi lines |
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pi lines
[pī] radiograph artifacts that result from dirt or chemical stains on a processing roller. They occur at intervals of pi (3.14) times the diameter of the roller. Pi lines thin, black lines running longitudinally across the x-ray film caused by chemical deposits on the rollers in the automatic developer tank. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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