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12 January 2006 13:15

Sundials on the Internet - Five sundial projects for you to make

利用簡單的工具,便可自製日昝進行時間測量,十分有趣。

phgod's TAGS related to tag clock

alarm +   art +   diy +   fun +   science +   sundial +   time +   tools +   wakeup +