Bible Dictionaries
Oroheliograph
Webster's Dictionary
(n.) A camera for obtaining a circular panoramic view of the horizon. The photographic plate is placed horizontally with a vertical lens above. A mirror of peculiar shape reflects light from the entire horizon to the lens, by means of which it is focused upon the plate.
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Bibliography Information
Webster, Noah. Entry for 'Oroheliograph'. Noah Webster's American Dictionary. https://www.studylight.org/dictionaries/eng/web/o/oroheliograph.html. 1828.