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| 104 to 108 of 227 glossary terms |
| latitude plate: part of an astrolabe with a projection of altitude and azimuth lines on to the equatorial plane, see article on the astrolabe.
| latitude projections: projection of altitude and azimuth lines on to the equatorial plane, see article on the astrolabe.
| level: name for different types of instrument used in surveying for determining the horizontal direction and differences in height, and in gunnery and elsewhere for adjusting something to the horizontal. See also gunner's level.
| level and sight: instrument used to set a large gun to the horizontal, or to elevate and aim it on a target, see article on the gunner's sight and level.
| limb: the outermost part or edge of a circular or part-circular instrument carrying a scale, usually divided in degrees.
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