History of the compass
Is likely to be Chinese and crew of the Mediterranean are the first to use magnetic compasses to guide their ships, Muslim Arabs have moved them and their ships were sailing billows of the sea to the east and the west, and in the fifth or sixth century AD, eleventh or twelfth centuries. These compasses were simple pieces of magnetized iron, floats above the straw or cork inside the perimeter of the water. In about the fourth century AD, it was inscribed on a 32-point compass direction. During the following years, learning the sailors around the world a lot about the difference in deviation and compasses are using magnetic compasses with greater accuracy.
When emerged ships made of iron or steel in the late nineteenth century, it became an accurate reading of the magnetic compass on board the ship more difficult. The readings were affected by metal vessels. As a result, there has emerged rotating compass (gyro), which not affected بالمغنطيسية and indicate the direction of true north.
Today, carrying large ships and magnetic compasses compasses roller. Whereas the regular magnetic compasses are not sufficient in the field of aviation, has appeared several compasses roller, and magnetic compasses invented by scientists for use in this area, as well as the use radio links. After World War II (1939 - 1945 AD), scientists have developed a special kind of rotary compasses for use in polar regions.
Is likely to be Chinese and crew of the Mediterranean are the first to use magnetic compasses to guide their ships, Muslim Arabs have moved them and their ships were sailing billows of the sea to the east and the west, and in the fifth or sixth century AD, eleventh or twelfth centuries. These compasses were simple pieces of magnetized iron, floats above the straw or cork inside the perimeter of the water. In about the fourth century AD, it was inscribed on a 32-point compass direction. During the following years, learning the sailors around the world a lot about the difference in deviation and compasses are using magnetic compasses with greater accuracy.
When emerged ships made of iron or steel in the late nineteenth century, it became an accurate reading of the magnetic compass on board the ship more difficult. The readings were affected by metal vessels. As a result, there has emerged rotating compass (gyro), which not affected بالمغنطيسية and indicate the direction of true north.
Today, carrying large ships and magnetic compasses compasses roller. Whereas the regular magnetic compasses are not sufficient in the field of aviation, has appeared several compasses roller, and magnetic compasses invented by scientists for use in this area, as well as the use radio links. After World War II (1939 - 1945 AD), scientists have developed a special kind of rotary compasses for use in polar regions.
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