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Q Q Q Q Q Q QQ Q Q Q 既存の日時計でも次のような Qした工夫で使 い

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Q Q Q Q Q Q QQ Q Q Q 既存の日時計でも次のような Qした工夫で使 い
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ῌLennox-Boyd, Mark, SUNDIALS, History Art People
Science, Francis Limited, London
2345
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῎῍῏ῌ
Unfamiliar Sundials
Haruyuki OKUDA
216῍2 Terada-machi 432, Hachioji, Tokyo 193῍
0943, Japan
Abstract : Sundial is the oldest astronomical
instrument with the history of thousands years.
A variety of di#erent types of sundials have been
made in the past, and thus it is hard to add new
version of sundial. Here I propose some ideas for
improving reading accuracy of time dial and
making several unfamiliar sundials with new
ideas.
369
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