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con, cond

con, cond  

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From the Anglo-Saxon connan, to know, to be skilful, or possibly from the Latin conducere, to lead or conduct, the giving of the necessary orders to the helmsman to steer a ship in a required ...
fly

fly  

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1 The old maritime word for the compass card from the time it was pivoted in the compass bowl and thus able to revolve freely.2 The part of a flag, ensign, or pennant furthest from the jackstaff or ...
gyrocompass

gyrocompass  

A gyroscope that is driven continuously so that it can be used as a nonmagnetic compass. When the earth rotates the gyroscope experiences no torque if its spin axis is parallel to the earth's axis; ...
head

head  

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A much used maritime word meaning the top or forward part. The top edge of a four-sided sail is the head, the top of the mast is the masthead, the head of a ship is the bows (but the ship's head ...
navigation

navigation  

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N.1 the process or activity of accurately ascertaining one's position and planning and following a route.2 the passage of ships.navigational adj.n.1 the process or activity ...
pelorus

pelorus  

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A circular ring fitted to the rim of a compass bowl and carrying two sighting vanes, used to take azimuths of celestial objects. The ring can be easily revolved and the compass bearing read off by ...
Petrus Peregrinus of Maricourt

Petrus Peregrinus of Maricourt  

(fl. 13th century)A physician and possibly crusader in the service of Charles I of Anjou, who dabbled with perpetual motion using magnetism, which led him to investigate the properties ...
signals at sea

signals at sea  

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Can be broadly divided historically into day signals, night signals, wireless telegraphy, and modern radio communications, and a brief history of the development of each can be found below.Day ...
to shoot

to shoot  

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A verb with more than one nautical meaning. A navigator is said to shoot the sun, or any heavenly body, when he takes its altitude with a sextant. A sailing vessel is said to shoot, or fore-reach, ...
travel and mobility

travel and mobility  

Travel and mobility were vital dimensions to life during the MA. By the central MA, diplomats, merchants, military and mendicant orders, and Jewish communities had established networks linking their ...
William Gilbert

William Gilbert  

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(1540–1603),physician to Elizabeth I and James I. He declared the earth to be a magnet in his De Magnete (1600), the first great scientific book to be published in England.

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