Water clocks at different historical intervals

Water clock is a unique invention by whichused by people back in 150 BC. In those days, time intervals were measured by the amount of water leaked. The first copy created Cteshibius and gave them the name "clepsydra", which in Greek means "take water". They represented a vessel on the surface of which a time scale was applied. Arabic numerals denoted nighttime, and Roman numerals denoted daytime hours. The mechanism of their action was as follows: water dripped into the container at regular intervals. Increasing the level of liquid raised the float, so that the time indicator was set in motion.

By the time such a marvelous invention appeared, the water clock was known to the peoples of the Far East in a more primitive form.

Especially popular inChina and India. Here they were represented by a hemispherical bowl, which had a natural opening. Through him, the water slowly collected. Such a water clock measured the time between the immersion of the bowl in the liquid and its immersion in the pool. According to preliminary data, in India, they were called “Yala-Yantra” and existed there as early as 300 years before our era.

In Egypt, time was measured by the outflow of fluid. Such a water clock was created from an alabaster vessel that was completely filled with water.

Liquid flowed through a small hole.Due to the fact that the day was divided into night (from sunset to sunrise) and day, the duration of an hour depended on the season. Interestingly, but its duration was not exactly determined until the 14th century. That is why some types of time determination mechanisms were marked with 12 hour scales, which corresponded to the months of the year.

Проведение измерений времени данным образом было quite complicated. First, the clock had many scales. Secondly, a special device was required to control the flow of water. Most often it was represented by a conical corrective element, thanks to which the adjustment of the fluid level, its flow rate took place.

For example, in antiquity, the orator couldact only until water runs out of one vessel. Now these ancient methods are held in school: watches are made with the help of improvised means. For children, a craft made from a plastic bottle, wire, and scotch reminds of the ancient history of such an interesting invention.

In today's world, almost no one defines time using liquid. However, the water clock in Japan, located at Osaka Railway Station, consists entirely of H₂ABOUT.In order to get the corresponding pictures and numbers, the drops “fly out” of the special device at certain intervals. This creative solution was implemented by Orient.

Another water clock in the modern solution can bepurchase at various online stores. The principle of their work is concluded in the extrusion of electrons of water molecules, which provide electrical flow through a special (electrolytic) engine. Therefore, in order for the device to show time, its content is sufficient. H₂O once every six weeks.