Muhammad Saleh Thattvi (also spelled Muhammad Salih Tatah-wi and Muhammad Salih Tatawi) was a 17th-century

Mughal Mughal or Moghul may refer to: Related to the Mughal Empire * Mughal Empire of South Asia between the 16th and 19th centuries * Mughal dynasty * Mughal emperors * Mughal people, a social group of Central and South Asia * Mughal architecture * Mug ...

craftsman known for making seamless

celestial globe Celestial globes show the apparent positions of the stars in the sky. They omit the Sun, Moon, and planets because the positions of these bodies vary relative to those of the stars, but the ecliptic, along which the Sun moves, is indicated. ...

s and

astrolabe An astrolabe (; ; ) is an astronomy, astronomical list of astronomical instruments, instrument dating to ancient times. It serves as a star chart and Model#Physical model, physical model of the visible celestial sphere, half-dome of the sky. It ...

Celestial globe

In 1659, Tatah-wi made a 21 cm diameter celestial globe. As no seams are visible in a photograph of it, it was likely made by the

cire perdue Lost-wax castingalso called investment casting, precision casting, or ''cire perdue'' (; borrowed from French)is the process by which a duplicate sculpture (often a metal, such as silver, gold, brass, or bronze) is cast from an original sculpt ...

method.

References

{{authority control 17th-century Mughal Empire people Sindhi people History of Sindh