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Rozerin Usmanova (modern day navigation compass (It is an old Chinese…
Rozerin Usmanova
modern day navigation compass
It is an old Chinese invention 221-206 B.C.
First made in china during the Qin dynasty
First invented in second century B.C. and first Century AD
History
People used magnetic compass to find stones to build houses according to Feng Shui
It took centuries to use compass properly for navigation
First old compass invented was a magnetic compass
People used magnetic compass to help to not get lost in sees and other lands
Relate to modern day marko polo
types of compasses int he past
different purposes
gyro compass
magnetic compass
1) Liquid compass
filled wit fluid
2) Marine compass or a card compass
It is used on boats because it is easier to read than a needle compass
3) Prismatic compass or lensatic compass
there are used for lining up with an object whose bearing is sought
it has a compass card that rotates in the base
to read of the compass in the dark
4) Base plate compass or Orienteering compass
filled with liquid
placed on the rectangular base made of transparent plastic. so map can read through it
Plotting
Has low light and a ruler
5) Thumb compass
It is fixed on the thumb/ one hand free/ small compass
6) Solid state compasses
is found in electric devices
three magnetic field sensors
Often be found in clocks, mobile phones and tables
Qibla compass
Qibla compass is used by muslims to show the direction to Mecca to find their way back home
GPS compass
over the Earth to show exact location and direction of movement of bearer.
Astrocompass
astronomical bodied to find south
Albert Einstein
history of the magnetic compass
getting lost, and finally finding their way.