Cronómetro de precisão – it was invented by John Harrison to determine the longitude and the time.Agulha de baleeira – instrumentsimilar to the compass but it isaffected by the Magnetic Northand by the Earth’s Magnetic field.
Roda do leme – controls the ship with movements that change the direction of the ship.Bússola marítima - Aninstrument whose magnetizedmetal needle aligns itself withthe magnetic fields of the earth.
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 whosemagnetized metal needle aligns itself withthe magnetic fields of the earth. Thiscauses one end of the needle to pointnorth. Mariners used this information tonavigate the ship.
Astrolábio -This tool was once used to determine the altitude of the sun or other celestial bodies.Telégrafo – This instrument is usedby the captain to send importantorders to the function machines ofthe ship.
Mapas - A representation of a region of the earth or heavens.Lugre Aviz ship