An example of a medieval candle clock. People would hear the nail hit the ground, letting them know a certain amount of time had passed. These were used mainly by the rich,
Best Coast Candle Company - Before the invention of modern alarm clocks, there were candle clocks from ancient China that functioned similarly to an alarm clock or a timer. As the wax
Image of Clocks, Candle Time candle, c 1931
Before Electricity, People Used These Candle Clocks to Tell the Time and Wake Up
The Candle Clock of the Swordsman – The Book of Knowledge of Ingenious Mechanical Devices
Working of Candle Clock | Medieval candle, Candles, Summer theme
Candle clock hi-res stock photography and images - Alamy
Vintage Farmhouse "Café Du Parc" Candle holder and Clock
Clock Candle and Old Keys Photograph by Ann Garrett - Fine Art America
Discover the Candle Clock, A Historic Way to Tell Time and Set Alarms
A photograph of a candle clock, a thin candle with consistently spaced markings, that when burned, indicate the passage of periods of time. Dated 20th century Stock Photo - Alamy