Muhammad Saleh Thattvi (1074 AH/1663-64 AD), Mughal metallurgist, astronomer, geometer and craftsman, was born and raised in the city of Thatta, Sindh province in the state of Pakistan, during the reign of the Mughal Emperor Shah Jahan and the governorship of the Mughal Nawab Mirza Ghazi Beg of Sindh. During those years, young metallurgists were recruited, patronized and delivered to the Mughal court at the city of Agra.
In the year of 1559, Muhammad Saleh Thattvi headed the activity of creating a massive, seamless celestial globe utilizing a secret cire perdue method in the Mughal Empire, the popular celestial globe of Muhammad Saleh Tahtawi is inscribed with Arabic and Persian inscriptions. 20 other such globes were produced in the cities of Lahore and Kashmir during the Mughal Empire. It is believed to be a huge feat in metallurgy.
Legacy of Muhammad Saleh Thattvi
In accordance to historians, the first person to develop a seamless celestial globe in the Mughal Empire was Ali Kashmiri ibn Luqman in 998 AH / 1589-90 AD. He developed several masterpieces in Kashmir in the era of the Mughal Emperor Akbar, and during his rule the craft found its way into the city of Lahore and its workshops was most prolific, because there Metallurgists made making precision seamlessly cast globes. But the most prolific and greatest was made during the reign of Mughal Emperor Shah Jahan by Muhammad Salih Tahtawi in (1074 AH/1665 AD) and is of interest for being inscribed in both Arabic and Persian. Seamlessly cast globes sustained to be made in Lahore up to the mid-19th century.