The earliest implies of measuring time was via the observation of celestial bodies (Sun, Moon, stars). Nonetheless, not considerably guiding were water clocks. On the list of oldest was located in the tomb in the Egyptian pharaoh Amenhotep I, buried all around 1500 BCE. Afterwards named clepsydras ("h2o robbers") because http://professional-gutter-clean17035.blogolize.com/5-Tips-about-Cladding-Tannum-Sands-You-Can-Use-Today-22956560