The current version of a fire clock*, Candle timer. It is just like the fire of a candle is going out.. during your sleep... *Do you know the fire clock A water clock, sundial, sandglass, and fire clock... The human have read time by observing the flow of the nature. A fire clock is the clock used in the ancients. The ancient people could know time with the scales on the candle, which are gradua..
