Cosmographia Petri Apiani per Gemmam Frisium

apud Lovaniensis Medicum & Mathematicum insignem, iam demum ab omnibus vindicata mendis, ac nonnullis quoque locis aucta. Additis eiusdem argumenti libellis ipsius Gemmae Frisii. Antwerpen, [Aegidius Coppens van Diest for]: Erven Arnold Birckmann. 1564.

Parchment, small 4to. Title with large vignette: The Globe in woodcut, (3),64 ff = 128 pp.,(3) pp. Complete with the 4 volvelles one of which with small restoration and countless woodcuts in the text. The folding world map (Shirley 96) with notes in ink in the margin and partly reinforced on blank reverse. No. on spine. Endpapers renewed, partly preserved with notes in ink, var. contemporary notes in margins with the text. Trifle tanned. Good copy. On ff 51-53 the book gives a clear explanation of the triangulation as used in modern cartography, with examples of the triangulations by Gemma Frisius from the tower of the St. Rombouts cathedral in Mechelen where he measured the correct distances to Lier, Antwerp, Brussels, Leuven and Bergen op Zoom.