The makers of the better class of portolani evidently had the use of the compass in drawing their charts.
The best of the world maps of the fifteenth century were based on these Italian portolani rather than on mediaeval maps, and at the same time added such enlarged information as became common in the Italy of the fifteenth century.
For the Portolani were never meant to be more than mariners' charts, and became less and less trustworthy if they tried to fill up the inland spaces usually left blank.
Lancarote was marked with the red cross of Genoa on most Portolani down to a late period of the sixteenth century.
Nor do the earliestportolani contain any compass-roses or wind-roses.
This is the most remarkable of all the Portolani of the fourteenth century.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "portolani" in a variety of sentences. We hope that you will now be able to make sentences using this word.
