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Enquiries concerning reference material

Nagahama City
Nagahama Castle Historical Museum

Nagahamajyorekishihakubutsukan

〒526-0065 Shiga Prefecture Nagahama-shi Kouencho 10-10
Phone / 0749-63-4611
Fax / 0749-63-4611
E-mail / rekihaku@city.nagahama.lg.jp
Website / Nagahama Castle Historical Museum

About Ikkansai Kunitomo

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

An introduction to Ikkansai’s upbringing and works throughout his life.
Timeline

A chronology of Ikkansai’s life.
Ikkansai Kunitomo Document Index

Documents currently under examination and organization. The latest findings are posted.
Important Documents

An introduction to the many inventions that Ikkansai envisioned.
Request reference material

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