In 1918 T . Lindsay Galloway read a paper to the Institute of Mining Engineers entitled'A method of determining the magnetic meridian as a basis for mining surveys '.
2.
To obtain the natural electricity, experimenters would thrust two metal plates into the ground at a certain distance from each other in the direction of a magnetic meridian, or astronomical meridian.
3.
It functions as a pointer to " magnetic north ", the local magnetic meridian, because the magnetized needle at its heart aligns itself with the horizontal component of the Earth's magnetic field.
4.
Some decades earlier it was a widely held belief that the earth's magnetic field produced extensive effects on human beings, and many people would sleep only with the head to the north and the body parallel to the magnetic meridian.
परिभाषा
an imaginary line passing through both magnetic poles of the Earth
मोबाइल