| Prentice | Charles F., U.S. Optician, 1854-1946. See: Prentice's rule. (05 Mar 2000) |
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| Prentice's rule | Each centimeter of decentration of a lens results in 1 prism diopter of deviation of light for each diopter of lens power. (05 Mar 2000) |
| Prentice | works for an expert to learn a trade |
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