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History and Impact of the Hourglass by Jin De Vera is a document available to read on EtoBox.

What is History and Impact of the Hourglass about?

The hourglass was invented in the 8th century by a monk in France and became a common tool used by sailors and navigators to calculate time at sea. By the 14th century, hourglasses were used everyday by housewives, professors, ministers, shopkeepers and doctors to time various tasks. The earliest known hourglass dates back to ancient Egypt around the 14th century BC.

Author
Jin De Vera
Language
EN