Sawai Jai Singh
Woman of the lens
"The masonry instruments that are the "Jantar Mantar", vary in size from
a few feet to 90 feet in height, and are Maharaja Jai Singh's chief work.
Jai Singh discarded brass instruments, and built massive masonry ones in their place; his reasons appeared to be, but were not altogether, sound. The brass instruments were, he said, faulty, because of their mobility
and size. The axes became worn and the instruments untrue; the graduations were too small for fine