Warazan, straw calculator from Ryukyu Islands - Ridai Museum of Modern Science, Tokyo - DSC07448.JPG
Daderot
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Warazan, straw calculator from Ryukyu Islands Ridai Museum of Modern Science, Tokyo DSC07448, Warazan in the Ridai Museum of Modern Science
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en
Warazan, straw calculator from Ryukyu Islands Ridai Museum of Modern Science, Tokyo DSC07448, Exhibit in the Ridai Museum of Modern Science, Tokyo University of Science, Kagurazaka campus - 1-3 Kagurazaka, Shinjuku-ku, Tokyo.
commons
ja
ワラザン、琉球列島電卓 理台現代科学館、東京 DSC07448、理台現代科学館のワラザン
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ja
ワラザン、琉球列島電卓 理大現代科学館、東京 DSC07448、東京理科大学理大現代科学館展示、神楽坂キャンパス-東京都新宿区神楽坂1-3。
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ryukyu islands