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Earth science

Any of several geological sciences that are concerned with the earth, its origins, and all of its various structures and physical forms and phenomena.

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Earth science > Mapping science

numeric code

Earth science; Mapping science

A code (1) which uses numbers to convey information.

composite

Earth science; Mapping science

(1) A reproduction from a series of images. (2) A printer's proof made by exposing color separation negatives one after the other in register on a single sheet of photographic ...

Besselian pendulum-apparatus

Earth science; Mapping science

A pair of filar pendulums differing in length by 1 toise, as used in Bessel's pendulum apparatus of 1826 1827, and having a special kind of suspension.

capacity curve

Earth science; Mapping science

A graph of the volume of a reservoir, tank, etc. , as a function of the height of the water referred to some horizontal surface.

calibration of a camera

Earth science; Mapping science

Determination of the following quantities: (a) calibrated focal length; (b) location of the principal point with respect to the fiducial marks; (c) location of the point of ...

comb

Earth science; Mapping science

A notched scale placed at right angles to the movable wire of a filar micrometer, and designed so that one turn of the micrometer screw will move the micrometer wire across one ...

caithness base line

Earth science; Mapping science

A base line (2b), in the primary triangulation of Great Britain, between Spital Hill and Worth Hill. It is 24 828. 000 meters long, measured with tape. It has been used ...