Portolan grid (construction)
Illustration of the construction of the compass or rhumb line grid typical of portolan charts, on the anonymous Genoese nautical chart (c.1325-50) held by the, Washington DC.
- Date
- 1325
- Mapmaker / publisher
- Mediterranean_chart_fourteenth_century2.jpg: anonymous, probably Genoan *derivative work: Walrasiad ( talk )
- Archive
- Wikimedia Commons
- Type
- chart
- Original size
- 1,235 × 902 pixels
Public domain
Reason: its maker died long enough ago that the copyright has expired.
This status rests on the map's publication history, as researched by Wikimedia Commons. Check it before commercial use.
Read from: Commons licence category: PD Old; no CC BY, CC BY-SA, GFDL or deletion tag on the file page.
Credit line
"Portolan grid (construction)" (1325). Mediterranean_chart_fourteenth_century2.jpg: anonymous, probably Genoan *derivative work: Walrasiad ( talk ), via Wikimedia Commons. Public domain. https://commons.wikimedia.org/wiki/File:Portolan_grid_(construction).jpgNeed maps for a whole project? Add Find Any Map to Claude and ask for this one by its id: 141760.
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