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The 16 point frames that undergird portolan maps.
The 16 point frames that undergird portolan maps.
Map of the known world constructed from a Byzantine manuscript of the Geography from the 14th or 15th century at the British Library (Burney MS 111, f.105v-106r).
Map of the known world constructed from a Byzantine manuscript of the Geography from the 14th or 15th century at the British Library (Burney MS 111, f.105v-106r).