

- 21 de nov. de 2019
- 1 min
What is a Nautical Chart? Part II | The Treatises of Pedro Nunes about the nautical chart by Joaquim
The pre-Mercator nautical chart is an amazing artefact of unexpected complexity. Not because its construction relied on sophisticated methods but, on the contrary, owing to the limitations imposed by contemporary navigation, which prevented the adoption of the cartographic paradigms prescribed by Ptolemy on his Geography – that is – the use of latitudes and longitudes in chart making. Those limitations were the impossibility of determining longitude on board and the errors ca
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- 11 de nov. de 2019
- 1 min
What is a Nautical Chart Really? The concepts of internal and external geometry applied to early mod
The pre-Mercator nautical chart is an amazing artefact of unexpected complexity. Not because its construction relied on sophisticated methods but, on the contrary, owing to the limitations imposed by contemporary navigation, which prevented the adoption of the cartographic paradigms prescribed by Ptolemy on his Geography – that is – the use of latitudes and longitudes in chart making. Those limitations were the impossibility of determining longitude on board and the errors ca
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- 11 de nov. de 2019
- 1 min
Call for Papers International Workshop on the Origin and Evolution of the Nautical, 4-5 June 2020
The Interuniversity Centre for the History of Science and Technology (CIUHCT) invites paper proposals for the International Workshop on the Origin and Evolution of the Nautical Chart to be held on June 4-5, 2020, at the Instituto Hidrográfico, Lisbon, Portugal. The event will be integrated within the activities of the European Research Council Project MEDEA-CHART, hosted by the Faculty of Sciences, University of Lisbon. Instructions for submission All submissions are to b
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