Heaven and Earth United

Richard Dunn is Senior Curator for the History of Science at Royal Museums Greenwich. His publications include The Telescope: A Short History (2009), Finding Longitude (2014, with Rebekah Higgitt) and Navigational Instruments (2016).Silke Ackermann studied History, Languages and Cultures of the Orient, and History of Science at Frankfurt University (Germany). She worked for sixteen years in a variety of curatorial and managerial roles at the British Museum before taking up the Directorship of the Oxford University Museum of the History of Science following a two-year stint at a German University between these two roles. She served as President of the Scientific Instrument Commission of the International Union for the History and Philosophy of Science until 2017.Giorgio Strano is Curator of the Collections at the Museo Galileo: Istituto e Museo di Storia della Scienza in Florence. He is involved in the study and popularization of the history of mathematical astronomy. He has published articles in Italian and international journals and has collaborated on the creation of exhibitions on the history of astronomy and science.

• List ofFigures and TablesContributorsIntroduction1 Using Astrolabes for Astrological Purposes: The Earliest Evidence RevisitedPetra G. Schmidl2 What’s on the Back of an Astrolabe? Astrolabes as Supports for Planetary CalculatorsSeb Falk3 Medical and Astrological Plates: Their Roles in Medieval and Renaissance KnowledgeJosefina Rodríguez-Arribas4 “Preciseness and Pleasure”: The Astrological Diptychs of Thomas HoodStephen Johnston5 Displaying Astrological Knowledge through Tabulation: Some Notes Pertaining to Particular Arrangement on InstrumentsGünther Oestmann6 Astrological Aspectaria on Early Modern InstrumentsLouise E. Devoy7 Italian Astronomical Clocks as Public Astrological MachinesMarisa Addomine8 Astrological Time in Public Space: The Görlitz Arachne (1550) and Planetary HoursRichard L. Kremer9 The Heavens at the Medici Court: Antonio Santucci’s Cosmological ModelsGiorgio Strano10 Were Globes Used in the Practice of Early Modern Astrology?Jim Bennett and Sylvia Sumira11 Instruments and the Astrologer’s ImageRichard Dunn*12 Defining Scientific Instruments in Astrological Practice: A ResponseMarvin BoltGlossary 263Richard DunnGeneral Index 277