Bible Dictionaries
Optigraph
Webster's Dictionary
(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.
Copyright StatementThese files are public domain.
Text Courtesy of
BibleSupport.com. Used by Permission.
Bibliography Information
Webster, Noah. Entry for 'Optigraph'. Noah Webster's American Dictionary. https://www.studylight.org/dictionaries/eng/web/o/optigraph.html. 1828.