常识“秤漏”是什么意思，起源、典故、生平简介及释义-历史文化

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词汇	秤漏
正文
释义	秤漏古代一种计时工具。由北魏道士李兰创制。《初学记》记有李兰漏刻法：“以铜为渴乌，状如钩曲，以引器中水于银龙口中，吐入权器。漏水一升秤重一斤，时经一刻。”其结构大体为：一中国式秤杆，秤钩上吊一容器，称为权器，漏水用渴乌从上面漏壶引入权器。秤杆尾部套上框架，使秤杆不致抬得过高或降得过低。按李兰设计，漏水一升就是一斤，时间就是一刻，因此权器里引进多少水，移动秤砣，使秤杆平衡，从秤杆上算出的斤两就可化成时刻。由于一斤是一刻，一两就是刻，这比漏壶浮箭灵敏度提高十倍以上。此仪器在隋、唐、宋时颇为流行。
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