Figures & data
Fig. 1. Detail from a portrait of Francesco di Marco Datini by Tommaso di Piero del Trombetto, 1490. (Archivio Museo di Palazzo Pretorio, Prato; photograph by Antonio Quattrone.)
Fig. 2. Letter from Antonio delle Vecchie of 13 December 1395 to the Datini Company’s agent in Majorca reminding him of his order for a nautical chart and a pair of dividers. Archivio di Stato di Prato, Datini 1167, 9302300, letter/memorandum Pisa–Majorca, Antonio delle Vecchie to Ambrogio di Rocchi, 1395/12/13, fol. 1r. (Reproduced with permission from Ministero per i beni e le attivitá culturali / Archivio di Stato di Prato.)
Fig. 3. Letter from the merchant Luca del Biondo written on 10 June 1398 from Bruges, where he had decided to stay in retirement, asking for a ‘beautiful’ nautical chart that would include the parts of the Byzantine Empire he had visited on his final voyage in the eastern Mediterranean (lines 19 to 25). Archivio di Stato di Prato, Datini 1060, 316064, letter Bruges–Majorca, Luca del Biondo to Datini Company, 1398/06/10. (Reproduced with permission from Ministero per i beni e le attivitá culturali / Archivio di Stato di Prato.)
