Rather than type a long answer - see the related link from Wikipedia for their entry on a gyro-compass.
Elmer Ambrose Sperry was the inventor of the gyro compass and gyroscope.
They used a special load stone with natural magnet inside.
Though it would be much easier to use a modern-day compass, you could use an ancient Chinese compass if you have a working one. Most compasses from ancient China would have had to be well preserved to work. Maybe it does work, but it would probably be inaccurate because of it's age. If it is in complete working order (you could probably go to a well reviewed pawn shop to tell if it works or is accurate) then yes, you could still use it. Not many people do, though. You could buy some that supposedly work on E-Bay for $700. YIKES!
the magnetic compass was invented between 221-206 B.C . i hope my answer was useful and enjoy learning about the compass
William Austin Burt invented the Solar Compass
Elmer Ambrose Sperry was the inventor of the gyro compass and gyroscope.
For synchronising the magnetic and gyro compass elements For synchronising the magnetic and gyro compass elements
Most notably, the gyro compass.
when airplanes suddenly change course the corrective mechanism is a gyroscope, which has the property of resisting efforts to change its axis of spin. This system is called a gyro-magnetic compass.
its getting to ship , wiring of the line of tube
Pelorus
There are 60 minutes in 1 degree.
The term Gyro refers to any Gyroscope (Space,Earth,Tied or Rate) whereas Directional Gyro is typically a Tied Gyro which is used in Aircraft for the purpose of Heading reference in DGI (Directional Gyro indicator) because it does not suffer any errors like magnetic compass.
A magnetic compass uses the poles of our planet to stay in alignment. A Gyroscopic compass is set to a particular direction and tends to try to stay that way. After time, even the best Gyro will start to precess (move). This means the you will need to compare your Gyro to the magnetic every 15 minutes or so. Some modern gyroscopic compasses are capable of auto resetting to do this update automatically
a navigational compass, under the control of a gyroscope, that automatically indicates true north.
It uses a magnetic needle to point to the earth's magnetic North Pole. The only other type of compass used is a gyro-compass. This uses a wheel which rotates parallel with the earth's rotation.
A magnetic compass uses the poles of our planet to stay in alignment. A Gyroscopic compass is set to a particular direction and tends to try to stay that way. After time, even the best Gyro will start to precess (move). This means the you will need to compare your Gyro to the magnetic every 15 minutes or so. Some modern gyroscopic compasses are capable of auto resetting to do this update automatically