2. Cronómetro de precisão – it was
invented by John Harrison to
determine the longitude and the
time.
Agulha de baleeira – instrument
similar to the compass but it is
affected by the Magnetic North
and by the Earth’s Magnetic field.
3. Roda do leme – controls the ship with
movements that change the direction of
the ship.
Bússola marítima - An
instrument whose magnetized
metal needle aligns itself with
the magnetic fields of the earth.
4. Quadrante -An early instrument for
measuring altitude of celestial bodies,
consisting of a 90 graduated arc with
a movable radius for measuring
angles.
Bússola - An instrument whose
magnetized metal needle aligns itself with
the magnetic fields of the earth. This
causes one end of the needle to point
north. Mariners used this information to
navigate the ship.
5. Astrolábio -This tool was once used to
determine the altitude of the sun or
other celestial bodies.
Telégrafo – This instrument is used
by the captain to send important
orders to the function machines of
the ship.
6. Mapas - A representation of a
region of the earth or heavens.
Lugre Aviz ship
