Resumen de Historia y Enseñanza de la Astronomía: II. La posición de los cuerpos celestes

Antonio Enrique Ten Ros, M. A. Monros

• In the following pages we continue the study of an ensamble of astronomical instruments utilized from early times, which still help us to complete an elementary knowledge of the position of the objects constituting the celestial sphere and their motions. Special emphasis has been given to their pedagogical implications.