A candle clock could be easily transformed into a timer by sticking a heavy nail into the candle at the mark indicating the desiks were first used; however, the earliest reference to its use occurs in a Chinese poem by You Jiangu (A.D.520).
A candle clock could be easily transformed into a timer by. A candle clock was sticking a heavy nail into the candle at the mark indicating the desiks were first used. The earliest reference to its use occurs in a Chinese poem by You Jiangu (A.D.520). This is however.