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Meaning of oroheliograph | Babel Free

Noun CEFR C1

Definitions

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.

CEFR level

C1
Advanced
This word is part of the CEFR C1 vocabulary — advanced level.
See all C1 English words →

See also

orohypopharynx oroide oroidin Orok Orokaiva Orokolo

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