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A Brief History Of Clocks: From Thales To Ptolemy

Beginning of paper
The clock is one of the most influential discoveries in the history of western science. The division of time into regular, predictable units is fundamental to the operation of society. Even in ancient times, humanity recognized the necessity of an orderly system of chronology. Hesiod, writing in the 8th century BC., used celestial bodie ....

Middle of paper
.... astrolabe. Although Ptolemy was familiar with both the anaphoric clock and the astrolabe, I believe that the development of the anaphoric clock preceded the development of the astrolabe. The earliest example, in western culture, of a celestial sphere is attributed to the presocratic philosopher Thales. Unfortunately, little is known about Thales’ sphere beyond Cicero’s description in the De re publica: For Gallus told us that the other kind of c ....

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Number of words: 4266
Number of pages: 16 (approx. 250 words per double-spaced page)

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