2012 Fiscal Year Final Research Report
Western Influence on Astronomical and Land-survey Instruments of the Edo Period
| Project/Area Number |
22500963
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Sociology/History of science and technology
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| Research Institution | Teikyo Heisei University |
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Principal Investigator |
NAKAMURA Tsuko 帝京平成大学, 現代ライフ学部, 教授 (80107474)
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| Research Collaborator |
ITO Setsuko 元国立天文台, 教員 (20151508)
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| Project Period (FY) |
2010 – 2012
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| Keywords | 科学史 / 天文学史 / 天文儀器 / 国際研究者交流 / 国際情報交換 |
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| Research Abstract |
Western influence on astronomical and land-survey instruments of the Edo periods was investigated at both domestic and overseas sites. The main outcomes are as follows:
(1) We made a nation-wide survey investigation of octants and sextants produced or imported before the Meiji Restoration (1868). We found out 10 items including some new discoveries and made mutual comparisons in terms of their specifications and characteristics.
(2) We made clear the import situation in 1792 of an advanced portable astronomical quadrant by discovering some letters written by the then director of the Dutch East India Company at Nagasaki.
(3) We organized the 7th International Conference on Oriental Astronomy (ICOA-7) and published its conference proceedings.
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