Browsing School of Histories and Humanities by Author "Nothaft, Carl"
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Astronomical Shop Talk in Paris, ca 1246: An Edition and Translation of John of London's Letter to R. de Guedingue
Nothaft, Carl (2021)A unique source on the practical aspects of the scientia astrorum (astronomy and astrology) in medieval Europe has come down to us in the shape of a letter written shortly after 1246 by John of London, an astronomer ... -
Ephemerides in high medieval Europe: The textual evidence
Nothaft, Carl (2021)A common aspect of the practice-oriented side of pre- and early modern mathematical astronomy was the computation of ephemerides, that is, tables that displayed the daily positions of the planets in a synoptic and calendrical ... -
A Fourteenth-Century Scholastic Dispute on Astrological Interrogations
Nothaft, Carl (2021)This article examines and edits an anonymous text from the late 1330s (Quesitum fuit utrum per interrogationes …), which was written to refute the arguments presented in a lost quaestio disputata by an unknown Parisian ... -
Giles of Lessines on Starlight and the Colour of the Sky
Nothaft, Carl (2021)This article provides the first discussion of the unpublished treatise De crepusculis (“On twilight”), written in the second half of the thirteenth century by the Dominican scholar Giles of Lessines. It is shown that De ... -
Guillaume des Moustiers treatise on the armillary instrument (1264) and the practice of astronomical observation in medieval Europe
Nothaft, Carl (2021)This article is devoted to a thirteenth-century Latin text on how to construct, set up, and use a version of the so-called armillary instrument (instrumentum armillarum), which was first described in Ptolemy’s Almagest as ... -
Sidereal Astrology in Medieval Europe (Twelfth and Thirteenth Centuries): Traces of a Forgotten Tradition
Nothaft, Carl (2021)Sets of astronomical tables available in Latin Europe during the Middle Ages can be classified based on whether they imitated Ptolemy in using a tropical zodiac for displaying planetary mean motions or followed an Indian ... -
A Thirteenth-Century Latin List of Ptolemaic Coordinates
Nothaft, Carl (2022)This article makes the argument that a Latin table of geographic coordinates, copied in Italy in the second half of the thirteenth century (MS Florence, Biblioteca Medicea Laurenziana, Ashburnham 211, fol. 260r), is derived ...