astrolabe
Of the 2,999 people who died because of the attacks on 9/11, 55 were listed as military personnel at the Pentagon. No sailors were listed as active sailors but may have been sailors acting in a different capacity.
Sailors deffinately need to know how to tie their shoes. Aslo, sailors need to know how to swin, hunt, bike, rin, and how to saddle a whale.
great sailors
British sailors were issued lime juice as a remedy for scurvy.
US Navy Sailors Creed http://navydads.blogspot.com/2008/09/sailors-creed.html
The magnetic compass was invented by the Chinese to show direction. It consisted of a magnetized needle floating in water, pointing towards the Earth's magnetic poles, allowing sailors to navigate accurately.
the rudder
the rudder
the rudder
The invention of the compass greatly aided in the discovery of the Americas. It allowed sailors to accurately navigate and maintain their course, even when they were out of sight of land. This technology played a crucial role in the voyages of explorers like Christopher Columbus, who used the compass to navigate across the Atlantic Ocean.
The invention that helped sailors steer without seeing the sun or stars is the compass. Compasses use the Earth's magnetic field to show sailors which direction they are heading, helping them navigate even when visibility is poor.
a compass
The invention of the compass, specifically the ability to use magnetic compasses for navigation, allowed sailors to determine their direction regardless of the wind's direction. This enabled them to navigate more accurately across vast distances on the open sea.
the compass, the astrolabe, the quadrant and the lead.
The invention of the compass has helped people by providing a reliable method for navigation, allowing them to accurately determine direction. This has been particularly useful for sailors, travelers, and explorers in finding their way over long distances on land or at sea.
One of China's greatest contributions to geography was the invention of the compass during the Song dynasty. This invention revolutionized navigation and played a significant role in shaping the way people understood and mapped the world. The compass made it possible for sailors and explorers to accurately determine direction, leading to increased knowledge and exploration of the Earth's geography.
The astrolabe, which helped sailors determine their latitude at sea. The magnetic compass, aiding in directional navigation. The improved mapmaking techniques, especially the use of Mercator projection to create accurate charts. The sextant, which allowed sailors to measure the altitude of celestial bodies to determine their position accurately.