首页> 外文期刊>Journal for the History of Astronomy >AN ANCIENT RULE FOR MAKING PORTABLE ALTITUDE SUNDIALS FROM AN 'UNEDITED' MEDIEVAL TEXT OF THE TENTH CENTURY
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AN ANCIENT RULE FOR MAKING PORTABLE ALTITUDE SUNDIALS FROM AN 'UNEDITED' MEDIEVAL TEXT OF THE TENTH CENTURY

机译:从十世纪的“未经编辑”中世纪文本制作便携式海拔日SUN的古法则

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摘要

The use of altitude dials that worked on the same principle as the cylinder for travellers may be proved for Christian Europe between the tenth and eleventh centuries by the 'Canterbury Pendant': a little portable sundial made of silver and gold found in 1938, during the work of ground levelling of the cemetery inside the cloister of the cathedral of Canterbury. This sundial shows only the third, the sixth and the ninth hour of the day1 by a series of points along vertical columns assigned to the months of the year.
机译:在十世纪至十一世纪的基督教欧洲,“坎特伯雷坠饰”证明了使用高度与旅行筒相同的海拔刻度盘:1938年发现的一种由银和金制成的便携式日d。坎特伯雷大教堂回廊内的公墓地面平整工作。该日d仅显示第一天的第三,第六和第九小时,这些时间沿分配给一年中月份的垂直列显示一系列点。

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