Need a time piece? Do you want a fancy one? Or do you want something functional? People long ago had no watches. They told time by using an instrument called the hourglass. What then is an hourglass? It is an instrument that is made up of two vertical bulbs connected to each other and allowing material like sand to trickle down from the top bulb to the bottom bulb. It is used to measure time in the passage of minutes or an hour of time. The name hourglass comes from historically common hour timing. The hourglasses were popular on board ships because they were the most dependable measurement of time while at sea. Unlike the clepsydra, the use of granular materials instead of liquids gave it a more accurate measurement. During temperature change, the clepsydra was prone to get condensation inside it.
Hourglasses were commonly seen in churches to measure sermons, work places to measure the time spent for breaks and homes time measure for cooking. Basically the hourglass was used to measure time. In 1500 A.D. , the hourglass was not as widely used as it had been because of the development of the mechanical clock which was more accurate and cheaper, and making time keeping easier.
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