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Keywords from Image Description:
Phaenomena. PHNOMENA circa quantitatem dierum artificialium et solarium perpetuo mutabilem ex Hypothesi copernicana deducta cum aliis tam Veterum quam recentiorum Philosophorum Systematibus mundi notabilioribus exhibita Ioh Gab Doppelmaiero duesseldorferauktionshaus de Dsseldorfer Auktionshaus Creator Johann Gabriel Doppelmayr