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a. A network of lines representing geographic parallels and meridians
forming a map projection.
b. A template divided into blocks or cells, for graphically integrating a
quantity such as gravity. Graticules are used in computing terrain
corrections and the gravitational or magnetic attraction of irregular
masses. AGI
c. An accessory to an optical instrument such as a microscope to aid in
measurement of the object under study; it is a thin glass disk bearing a
scale which is superimposed upon the object. AGI
d. The network of lines representing meridians of longitude and parallels
of latitude on a map or chart, upon which the map or chart was drawn. Not
to be confused with grid. AGI
Source:
Dictionary of Mining, Mineral, and Related Terms
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