ふこどけい
振り子時計
1. pendulum clock
2. Pendulum clockA pendulum clock is a clock that uses a pendulum, a swinging weight, as its timekeeping element. The advantage of a pendulum for timekeeping is that it is a harmonic oscillator; it swings back and forth in a precise time interval dependent on its length, and resists swinging at other rates. From its invention in 1656 by Christiaan Huygens until the 1930s, the pendulum clock was the world's most precise timekeeper, accounting for its widespread use.
Read “Pendulum clock” on English Wikipedia
Read “振り子時計” on Japanese Wikipedia
Read “Pendulum clock” on DBpedia
Read “Pendulum clock” on English Wikipedia
Read “振り子時計” on Japanese Wikipedia
Read “Pendulum clock” on DBpedia
振子時計 【ふりこどけい】
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