Century Dictionary and Cyclopedia
- n. A photographic camera adapted for use in surveying. It is commonly mounted accurately on altitude and azimuth circles, with arrangements for determining all instrumental corrections. The angular distance of any point on the photographic plate from the center of the plate is measured by a micrometer, whence the altitude and azimuth of any point of a cloud or of the landscape may be determined. Two photogrammeters operating simultaneously at neighboring stations give the data for determining the location and motion of any part of a cloud.
GNU Webster's 1913
- n. A phototheodolite, or a camera designed for use in photogrammetry.
“Air-men had photographed all these positions and had reduced the views by the photogrammeter and transferred them to the map.”
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