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Firozabad and the Delhi of Sher Shah gave an approach to the gardens of Sikandar Lodi, which were about here.

. — The buildings which comprise this Observatory have already been noticed, but a few further details may be given. The group strictly belongs to Shahjahanabad, but stands in the environs of Firozabad. Maharaja Jai Singh erected a number of these observatories, others being situated at Muttra,Benares,Ujjain, and Jaipur, the city which he built to replace Amber. After Comparing the results, which were obtained from observations taken at all these places, astronomical tables were constructed,which excelled in accuracy any then known, and are used in India to this day by numerous astrologers. So anxious was the Maharaja to obtain real accuracy that he rejected instruments of brass,made after the pattern of some in Samarkand,because he found the wear of the Bearings to be excessive. . — The interpretation of this name is he "sacred footprint;" there is here a slab of stone, which is supposed to bear the imprint of the foot of Mahomed, for which reason it is also known as the "Kadam Rasul," or foot of the prophet. What it is like, exactly, cannot be stated, for the slab is contained in a basin of 131