Sergio Manuel
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Safavid brass astrolabe from Tabriz, Iran, 1705/6; 19 star pointers (Christie's online).

Safavid brass astrolabe from Tabriz, Iran, 1705/6; 19 star pointers (Christie's online).

This magnificent instrument back in the acient days. It was used in Classical Antiquity, through the Islamic Golden Age, the European Middle Ages and Renaissance for all these purposes, so you can say it was pretty popular. So this was the first computer, but what about the first calculators.

Vintage & Astrolabe – Ancient instrument for locating and predicting the positions of the Sun, Moon, planets, and stars. The earliest astrolabe was created 150 B. Was an indispensable tool of astronomers, navigators and astrologers. on imgfave

Explore Whipple Collections - The parts of an astrolabe

Astrolabe: A rudimentary analog computer. It helped the pilot to calculate the positions of the Sun and prominent stars with respect to both the horizon and the meridian.

Safavid brass astrolabe from Tabriz, Iran, 1705/6; 19 star pointers (Christie's online).

Safavid brass astrolabe from Tabriz, Iran, 1705/6; 19 star pointers (Christie's online).

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Astrolabe – Magnificent Computer of the Ancients ~ Kuriositas This invention changed everything for the first time, we could know the time, the day and when the sun would rise and set. Lost to the west after the fall of Rome.