Glossary of Optical Terminology - FEA Ind

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Baume´ degrees A system used to quantify the concentration of a slurry based on the specific gravity of the slurry; °Be´ = 145 - 145/SG, where SG = specific gravity. BCD Boxing center distance. See Distance, boxing center. °Be´ An abbreviation for degrees Baume´. Bell gauge See Gauge, bell. Bevel The angled edge of the spectacle lens ...

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