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Thesaurus: oroheliograph
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…
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Definitions
- 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.
- A camera for obtaining a circular panoramic view of thehorizon. The photographic plate is placed horizontally with avertical lens above. A mirror of peculiar shape reflects light fromthe entire horizon to the lens, by means of which it is focused uponthe plate.
- oroheliograph (plural oroheliographs) (photography) A camera for obtaining a circular panoramic view of the horizon. The photographic plate is placed horizontally with a vertical lens above. A specially-shaped mirror reflects light from the entire horizon to the lens, by means of which it is focused upon the plate.