著者
冨田 良雄 尾上 瑞宝 下出 祐太郎
出版者
近世京都学会
雑誌
近世京都 (ISSN:21886709)
巻号頁・発行日
vol.3, pp.1-17, 2019 (Released:2023-07-26)

We investigated the two long ikanbari telescopes, one is a private collection in Nagasaki and another is owned by the Kobe city museum, with special interest on the traditional technique of ikanbari telescope tube. As a result, both telescopes were produced by Hirai Ikan Sen'oshi family, and presented to the eighth shogun Yoshimune Tokugawa as a pair of telescope. Those two telescopes are the frst astronomical telescope produced in Japan.
著者
冨田 良雄 尾上 瑞宝 下出 祐太郎
出版者
近世京都学会
雑誌
近世京都 (ISSN:21886709)
巻号頁・発行日
no.3, pp.1-17, 2019 (Released:2020-09-02)

We investigated the two long ikanbari telescopes, one is a private collection in Nagasaki and another is owned by the Kobe city museum, with special interest on the traditional technique of ikanbari telescope tube. As a result, both telescopes were produced by Hirai Ikan Sen'oshi family, and presented to the eighth shogun Yoshimune Tokugawa as a pair of telescope. Those two telescopes are the frst astronomical telescope produced in Japan.