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A Great Figure of KunitomoIKKANSAI KUNITOMO

Ikkansai Kunitomo

Ikkansai Kunitomo
(1778-1840)

Ikkansai Kunitomo was born into a family of blacksmiths on October 3rd 1778 in Kunitomo Village in Sakata-Gun of Ohmi Province (modern day Kunitomo-town in Nagahama City, Shiga Prefecture).

Ikkansai is known as the first person to make and use a reflecting telescope in Japan.

Ikkansai’s achievements in science and engineering are impressive and wide ranging.

Some of those achievements include constructing a reflecting telescope to observe celestial bodies, improving matchlocks along with designing an air rifle, and various inventions.

Concerning the use of reference materials

The materials that are publicized in the Ikkansai Kunitomo Document Index may be used for research purposes.