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Sunday, December 22nd, 2024
the Fourth Week of Advent
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Bible Dictionaries
Wollaston's Doublet

Webster's Dictionary

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A magnifying glass consisting of two plano-convex lenses. It is designed to correct spherical aberration and chromatic dispersion.

Bibliography Information
Webster, Noah. Entry for 'Wollaston's Doublet'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​w/wollastons-doublet.html. 1828.
 
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