![Brian Roemmele on X: "The ancient alarm clock. People place a candle on a metal plate to create an alarm clock by inserting a nail into the candle at the desired interval. Brian Roemmele on X: "The ancient alarm clock. People place a candle on a metal plate to create an alarm clock by inserting a nail into the candle at the desired interval.](https://pbs.twimg.com/media/Fdsqs5uUAAAQLRS.jpg:large)
Brian Roemmele on X: "The ancient alarm clock. People place a candle on a metal plate to create an alarm clock by inserting a nail into the candle at the desired interval.
Augusta Kentucky Historic District - Did you know, Before alarm clocks existed, people used nails fixed onto candles to make sure they wake up on time. They knew how to calculate the
Will candles set off a smoke alarm? The hotel said I couldn't have candles since it would set off the fire alarm. Is it true or are they just playing safe? -
New York City Fire Department (FDNY) - Always extinguish incense and candles before leaving a room or going to sleep and place them at least four feet away from all combustibles, including
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