The portolans of Bartolomeu Velho († 1586) and Lopo Homem (16th century) are part of the cartographic material, mainly Portuguese, that Cosimo I de' Medici ...
With the experience acquired in years of navigation, the English Admiral Sir Robert Dudley (1573-1649) assumed a leading role in the promotion of Medicean ...
The quest for longitude was the most crucial problem in the art of navigation, often determining the success of voyages and the survival of seamen. In ...