Occurrence of Attributes in Original Text

The text related to the cultural heritage 'The Jantar Mantar, Jaipur' has mentioned 'Observatory' in the following places:
Occurrence Sentence Text Source
[1] The observatory is an example of the Ptolemaic positional astronomy which was shared by many civilizations.
During 1735, when construction was at its peak, at least 23 astronomers were employed in Jaipur, and due to the changing political climate, Jaipur replaced Delhi as Jai Singh's main observatory and remained Jai Singh's central observatory until his death in 1743.
The observatory lost support under Isvari Singh (r.1743-1750) because of a succession war between him and his brother.
However, Mado Singh (r. 1750-1768), Isvari Singh's successor, supported the observatory, although it did not see the same level of activity as under Jai Singh.
Although some restorations were made to the Jantar Mantar under Pratap Singh (r.1778-1803), activity at the observatory died down again.
During this time, a temple was constructed and Pratap Singh turned the site of the observatory into a gun factory.
However, the observatory soon became neglected again, and was not restored until 1901 under Madho Singh II (r. 1880-1922) [8]
The observatory consists of nineteen instruments for measuring time, predicting eclipses, tracking location of major stars as the earth orbits around the sun, ascertaining the declinations of planets, and determining the celestial altitudes and related ephemerides.
The Jantar Mantar observatory in Jaipur constitutes the most significant and best preserved set of fixed monumental instruments built in India in the first half of the 18th century; some of them are the largest ever built in their categories.
The observatory forms part of a tradition of Ptolemaic positional astronomy which was shared by many civilizations.
Through the impetus of its creator, the prince Jai Singh II, the observatory was a meeting point for different scientific cultures, and gave rise to widespread social practices linked to cosmology.
The observatory is the monumental embodiment of the coming together of needs which were at the same time political, scientific, and religious.
It provides an outstanding testimony of the ultimate culmination of the scientific and technical conceptions of the great observatory devised in the Medieval world.
The observatory of Jantar Mantar in Jaipur has been affected by its outdoor situation in a tropical area, and then by its temporary abandonment in the 19th century, which has resulted in frequent maintenance interventions and then various restorations over a period of more than a century.