clepsydras वाक्य

In the 4th century BCE, the clepsydra is known to have been used as a stop-watch for imposing a time limit on clients'visits in Athenian brothels.
In the subsequent Eastern Han Dynasty ( 23-220 AD ) period, the astronomers Fu An and clepsydra clock ( see Zhang's article for more detail ).
The fact that the hourglass also used granular materials instead of liquids gave it more accurate measurements, as the clepsydra was prone to get condensation inside it during temperature changes.
If proceedings were interrupted for any reason, such as to examine documents, the hole in the clepsydra was stopped with wax until the speaker was able to resume his pleading.
Slightly later, in the early 3rd century BCE, the Hellenistic physician Herophilos employed a portable clepsydra on his house visits in Alexandria for measuring his patients'pulse-beats.

Due to its wide distribution, lack of known threats, and lack of observed population decline, the IUCN redlist currently lists " M . clepsydra " as Least Concern.
His other inventions include the hydraulis, a water organ that is considered the precursor of the modern pipe organ, and improved the water clock or clepsydra ( " water thief " ).
It featured a 24-hour mechanized clepsydra and indicators for the eight winds from which the tower got its name, and it displayed the seasons of the year and astrological dates and periods.
Zhang Heng is the first person known to have applied hydraulic motive power ( i . e . by employing a waterwheel and clepsydra ) to rotate an armillary sphere, an astronomical instrument representing the celestial sphere.
The world's first water-powered celestial globe was created by Zhang Heng, who operated his armillary sphere by use of an inflow clepsydra clock ( see Zhang's article for more detail ).