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165 to 169 of 227 glossary terms
quadrant: instrument based on a quarter of a circle, see article on the quadrant.
quadratum nauticum: diagram for finding course directions from latitudes and longitudes, see article on the astrolabe.
quatrefoil: decorative form with four leaves or petals.
radio latino: instrument for measuring angles in surveying and gunnery, see article on the radio latino.
ramming rods: long rods, often in wood, intended for use in gunnery and used to push the projectile inside a cannon, or to compress the powder in an arquebus.
