Keywords: Ptolemys Second Projection (Burney MS 111, f.12v).png en A diagram in Greek showing the creation of Ptolemy's Second Projection between 1390 1425 http //www bl uk/manuscripts/FullDisplay aspx ref Burney_MS_111 Burney MS 111 at the http //www bl uk/ British Library Ptolemy other versions PD-old-70-1923 Ptolemy's second projection 1420 Burney MS 111 012 |