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the Third Week after Easter
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Bible Dictionaries
Optigraph

Webster's Dictionary

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(a.) A telescope with a diagonal eyepiece, suspended vertically in gimbals by the object end beneath a fixed diagonal plane mirror. It is used for delineating landscapes, by means of a pencil at the eye end which leaves the delineation on paper.

Bibliography Information
Webster, Noah. Entry for 'Optigraph'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​o/optigraph.html. 1828.
 
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