Vocabulary : Orograph to Orology
Orograph : A machine for use in making topographical maps. It is operated by being pushed across country, and not only records distances, like the perambulator, but also elevations.Orographic : Alt. of Orographical
Orographical : Of or pertaining to orography.
Orography : That branch of science which treats of mountains and mountain systems; orology; as, the orography of Western Europe.
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 means of which it is focused upon the plate.