《资治通鉴·汉纪·汉纪十二》
上面装有神仙手掌，用来承接露水，再拌上玉的粉末喝下去，据说可以长生不老。
上有仙人掌，以承露，和玉屑饮之，云可以长生。
On top of it is the palm of an immortal, used to hold dew, and then drinking it after mixing it with jade powder is said to lead to immortality.