Como era o primeiro relógio inventado? Quem inventou?

Learn the history of the invention of the clock, starting with ancient times, sundials, water clocks, candle clocks, and hourglasses and mechanical clocks. Later, the invention of quartz clocks and finally, atomic clocks. ---------------------------------------------------- References in the link: https://sites.google.com/view/invenco... ------------------------------------------------------ This video is for educational purposes. --------------------------------------------------------- EP7