Each of the'planetary' dials used complex clockwork devices to produce reasonably accurate models of the planet's motion that accorded reasonably well both with Ptolemaic theory and with observations.
These agreed reasonably well both with Ptolemaic theory and with observations. Each of the'planetary' dials used complex clockwork to produce reasonably accurate models of the planets' motion.
Each of the'planetary' dials used complex clockwork to produce reasonably accurate models of the planets' motion. These agreed reasonably well both with Ptolemaic theory and with observations.
Each of the'planetary' dials used complex clockwork to produce reasonably accurate models of the planets' motion. These agreed reasonably well both with Ptolemaic theory and with observations.