I am this close to making an hourglass gift set that comes with 'glasses in a nice little foam holder. Thinking it should be for minute, 3, 5, 10, 15, 30; hour.
https://mymodernmet.com/candle-clock-alarm/
A cool takeaway of using candles as clocks: totally analog form of alarm clocks. Hourglasses / sundials can't do this (but maybe a water clock could)
I am this close to making an hourglass gift set that comes with 'glasses in a nice little foam holder. Thinking it should be for minute, 3, 5, 10, 15, 30; hour.
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