Water Clock Diagram
Water clock design by the Greek inventor and mathematician Ctesibius (285 - 222 BC) in which the figure rises, pointing to the temporal hour, as water fills the cylinder which empties automatically to fill a drum that rotates the hour scale cylinder once in a year
Picture No
10800036
Media ID
47601615
Size
2712px x 4292px
(3.4MB)
Credit
©Photo Researchers / Mary Evans Picture Library
Source
Photo Researchers
