cause the compass to lie in the meridian
1Classical compass winds — The Tower of the Winds in Athens Classical compass winds refers to the naming and association of winds in Mediterranean classical antiquity (Ancient Greece and Rome) with the points of geographic direction and orientation. Ancient wind roses… …
2navigation — navigational, adj. /nav i gay sheuhn/, n. 1. the act or process of navigating. 2. the art or science of plotting, ascertaining, or directing the course of a ship, aircraft, or guided missile. [1520 30; < L navigation (s. of navigatio) a voyage.… …
3geomagnetic field — Magnetic field associated with the Earth. It is essentially dipolar (i.e., it has two poles, the northern and southern magnetic poles) on the Earth s surface. Away from the surface, the field becomes distorted. Most geomagnetists explain the… …
4United States — a republic in the N Western Hemisphere comprising 48 conterminous states, the District of Columbia, and Alaska in North America, and Hawaii in the N Pacific. 267,954,767; conterminous United States, 3,022,387 sq. mi. (7,827,982 sq. km); with… …
5Inventions in medieval Islam — A significant number of inventions were developed in the medieval Islamic world, a geopolitical region that has at various times extended from Al Andalus and Africa in the west to the Indian subcontinent and Malay Archipelago in the east.… …
6History of cartography — The Fra Mauro map, one of the greatest memorial of medieval cartography, was made around 1450 by the Venetian monk Fra Mauro. It is a circular world map drawn on parchment and set in a wooden frame, about two meters in diameter Cartography (from… …
7Map — For other uses, see Map (disambiguation). A map is a visual representation of an area a symbolic depiction highlighting relationships between elements of that space such as objects, regions, and themes. Many maps are static two dimensional,… …
8Edward Sabine — Infobox Scientist name = PAGENAME box width = image size =150px caption = PAGENAME birth date = October 14, 1788 birth place = Dublin death date = May 26, 1883 death place = East Sheen residence = citizenship = nationality = Irish ethnicity =… …
9range — [rānj] vt. ranged, ranging [ME rangen < OFr ranger, var. of rengier, to arrange in a circle, row (> ME rengen) < renc < Frank * hring, akin to OE, OHG hring,RING2] 1. to arrange in a certain order; esp., to set in a row or rows 2. to… …
