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サハリアス・ヤンセン
Wikipedia definition
1. Sacharias Jansen​Zacharias Jansen (1580–1638) was a Dutch spectacle-maker from Middelburg associated with the invention of the first optical telescope. Jansen is sometimes also credited for inventing the first truly compound microscope. However, the origin of the microscope, just like the origin of the telescope, is a matter of debate. His name is also spelled as Zacharias Janssen or Sacharias Jansen.
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