What tools could geographers and navigators use in ancient times?

The sailor of the 15th century had only a primitive compass, a crude hourglass, teeming with map errors, approximate declination tables of the luminaries and, in most cases, erroneous ideas about the size and shape of the Earth.



One of the components of a person's success in our time is receiving modern high-quality education, mastering the knowledge, skills and abilities necessary for life in society. A person today needs to study almost all his life, mastering everything new and new, acquiring the necessary professional qualities.