Synonyms, Related Subjects, Ideas for Medical Photos Horologyamputees, birth control, gerontology, human fertility, hypodermic, leg cast, malnourished, myopic, woman acupuncture, |
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 Digital Archive Japan / DAJ, Christiaan Huygens (1629-1695), Dutch physicist, mathematician and astronomer, 18th century. Huygens made important contributions in several scientific fields. He postulated that light consisted of waves, determined the nature of Saturns rings, developed the pendulum clock, and applied the balance spring to the pocket watch. He also wrote the first book on Probability Theory, published in 1657. |
 Digital Archive Japan / DAJ, Thomas Mudge, English horologist, 1795. Born at Exeter, Devon, Mudge (1717-1794) was apprenticed to the eminent clockmaker George Graham (1742?-1751). He invented the lever escapement (c1757), and became clockmaker to George III. |
 Digital Archive Japan / DAJ, Christiaan Huygens (1629-1695), Dutch physicist, mathematician and astronomer, c1870. Huygens made important contributions in several scientific fields. He postulated that light consisted of waves, determined the nature of Saturns rings, developed the pendulum clock, and applied the balance spring to the pocket watch. He also wrote the first book on Probability Theory, published in 1657. |
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