田中久重(1799.9.18-1881.11.7)は1851年にこの時計を製作しました。彼は江戸時代後期から明治時代にかけての日本の技術者であり発明家で、後の東芝創設者の一人となる等、日本のエジソンあるいはからくり儀右衛門と呼ばれていました。
この時計は天球儀、和時計、二十四節気、曜日、洋時計(時報も)、十干十二支、月齢の7つの機能を備え、ゼンマイで駆動し、一度巻くと巻き直すことなく1年間作動することが可能で、1000点を越える部品のほとんどを彼自身が簡単な道具で製作したと伝えられています。
Japanese classical myriad year clock.
Hisashige Tanaka (Sep 18, 1799 - Nov 7, 1881) built this myriad year clock (Japanese: Mannen-Dokei) in 1851. Hisashige Tanaka was a Japanese engineer and inventor during the late Edo and Meiji period Japan. He is one of the founders of what later became Toshiba Corporation. He has been called the "Thomas Edison of Japan" or "Karakuri Giemon". This clock is driven by a spring. Once it is fully wound, it can work for one year without another winding. It can show the time in 7 ways (such as usual time, the day of the week, month, moon phase, Japanese time, Solar term). It also rings chimes every hour. It consists of more than 1,000 parts to realize these complex functions, and it is said that he made all the parts by himself with simple tools such as files and saws.
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