Zhang Heng - Wikipedia
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.
Zhang Heng - New World Encyclopedia
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.
Zhang Heng's Famous Chinese Inventions - Nspirement
Jul 9, 2021 · Zhang Heng is the first person known to have applied hydraulic motive power (i.e. by employing a waterwheel and clepsydra, or water clock) to rotate an armillary sphere — an astronomical instrument representing the celestial sphere.
Armillary sphere - Wikipedia
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. Subsequent developments were made after the Han dynasty that improved the use of the armillary sphere.
Hun yi - Library of Congress
In 117, Zhang Heng created the world's first water-powered armillary sphere. The celestial globe was connected to a timing clepsydra, from which water dropped to make the globe turn on a regular basis.
Water-powered Armillary Sphere · The Ancient Chinese …
The armillary sphere was completed by Zhang Heng by adding horizon and meridian rings. He invented the wor'd's first water-powered armillary sphere by use of an inflow clepsydra clock.
The History of the Armillary Sphere - ThoughtCo
Feb 22, 2019 · One early Chinese armillary sphere can be traced to Zhang Heng, an astronomer in the Eastern Han Dynasty (25-220 CE). The exact origin of armillary spheres cannot be confirmed. However, during the Middle Ages, armillary spheres became widespread and increased in sophistication.
Zhang Heng and the Seismograph 张衡和地动仪
Nov 18, 2019 · huntianyiApart from the Seismograph, Zhang Heng also invented the first water-driven armillary sphere (shuǐ yùn hún tiān yí 水运浑天仪) in the world to measure the position of celestial bodies.
Zhang Heng - SpringerLink
According to his Hunyi, Zhang Heng constructed an armillary sphere called the tongyi (bronze instrument) for observational purposes, and a celestial globe called xiaohun (small sphere) for demonstration and graphical calculation.
25. ZHANG HENG – SAPAVIVA
One of his most notable engineering achievements involved the design and development of the first water-powered armillary sphere: with which he gained better cosmic insights. Another remarkable invention he made was the development of the first known seismoscope.