In the 12th
century some guy fond a mineral called lodestone and found it pointed too the north star so it faced north, so people used this mineral to create the crude compass and put it into the sea to find north.
The needle was floated in water in the first crude compass to reduce friction and allow it to move freely in response to Earth's magnetic field. This helped the needle align itself with the Earth's magnetic north and south poles, indicating direction.
Early explorers did not have the same tools we have today. They would have used the sun as a navigational tool along with a compass. They would have had crude maps, boats, sailing winds and even the experience of trackers.
Difference between nymex crude and brent crude
Crude oil is crude..
crude boats
Crude Oil is hydrocarbon and it is mixture of carbon and hydrogen.
No,a Gyrosyn compass is a combination of a Magnetic compass and Direct reading compass.
compass
crude oil is a petroleum
Which crude?
Comparative: cruder or more crude or less crude Superlative: crudest
1 barrel of crude oil equals 42 US gallons of crude oil.