NATS 1775 Lecture Notes - Lecture 7: Spring Drive, Su Song
2 Nov 2011
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Ecture seven: technology in the middle ages (con"t) It is extremely difficult to determine who invented this and when it was invented. This is because it is referred to as horologia in older texts. Horologia includes all time keeping devices, including sun dials. Therefore when something called a horologia is referred to, it is unclear what the actual device was. Cloche is another word used to describe clocks, however in french it also refers to bells. One of the main debates is whether the mechanical clock originated in china or. Derrick price and joseph needham argue that the mechanical clock was invented in china. This is also referred to as the fallen angel thesis . The thesis suggests that the mechanical clock was a less sophisticated technology that came out of more advanced chinese technologies at that time. The example given for this was the advanced water clock, created by su sung in.
