Man-Nen Jimeisho: National Museum of Nature and Science /万年自鳴鐘: 国立科学博物館

Original Man-Nen Jimeisho

A man called Hisashige Tanaka, founder of electric giants Toshiba corporation, build this complicated piece of machine in 1851.  It was a six faced clock with Celestial phenomenon device on top, the six faces are; Sum Clock, Display of Twenty-four Secchi, Day of the Week, Chinese Zodiac, Ordinary Clock and Moon Age. The amazing thing was not only this clock was made by single handedly with over 1,000 parts but also, Hisashige studied Astronomy for few years before he committed to design this clock and designed and build this mechanical piece of art by him self.  
Just amazing!

The Original clock is displayed in the National Museum of Nature and Science.  Also, a replica clock is displayed in Toshiba Science Museum

National Museum of Nature and Science, Tokyo, Japan

http://www.kahaku.go.jp/english/

Toshiba Science Museum, Kawasaki, Japan

http://toshiba-mirai-kagakukan.jp/en/index.htm

Replica Man-Nen Jimeisho

これは東芝の創業者、田中久重が1851年に造った精密な機械です。天球儀を上に載せた、六面（和時計、二十四節気、曜日、十干十二支、西洋時計、月齢の時計です。驚く事に部品数が1,000を越えるこの時計を一人で造っただけでなく、天文学を数年にわたり学び、この機構を独学で考えだした事です。

凄いです！

本物は国立科学博物館に展示されていて、レプリカは東芝科学館でも観る事が出来ます。

国立科学博物館、東京

東芝未来科学館、川崎