Astrolabe - Museum of the History of Science, Oxford, England.

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.

Modern Astrolabe (Medium size) from Geodus.

Planispherical Astrolabe: The name "astrolabe" comes from the Greek word astro…

Astrolabes are problem solving instruments – they compute things such as the time of day according the position of the sun and the stars in the sky. Like a computer, you input information and then you receive output.  They were typically made of brass and had a 6 inch diameter, although as we will see much larger ones were made.

Astrolabe old MiddleAge pagan tech computer mystery/beauty for sky map/astronomy/time/day calc with earth as ctr of univ, typically brass) (by landahlhauts

This instrument is clear evidence of the links between the astrolabe and astrology. On one side is an astrolabe for a single latitude, and on the other an astrological volvelle, used to find the positions of planets and other celestial bodies, especially in relation to the traditional astrological houses.

Links between astrolabe & astrology. On 1 side is an astrolabe 4 a single latitude & on th other an astrological volvelle, th positions f planets & other celestial bodies, especially in relation traditional astrological houses

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.

astrologie cca. 1550.

design-is-fine: “ Christoph Schissler, Astronomical Compendium, Augsburg, Germany. V&A “ Pocket-size compendia were produced by specialist instrument makers.

An armillary sphere (variations are known as spherical astrolabe, armilla, or armil) is a model of objects in the sky (in the celestial sphere), consisting of a spherical framework of rings, centred on Earth, that represent lines of celestial longitude and latitude and other astronomically important features such as the ecliptic. As such, it differs from a celestial globe, which is a smooth sphere whose principal purpose is to map the constellations.

An armillary sphere (variations are known as spherical astrolabe, armilla, or…

Spherical Astrolabe, 1480-1481. The name "astrolabe" comes from the Greek word astro, meaning "star," and labio, "that which searches," so it could be translated as "star searcher."

Spherical Astrolabe, by Musa, Eastern Islamic, Why is this not available in jewelry-sized modern replica? C'mon Alchemy Gothic, get on it!

This early Persian astrolabe with a geared calendar movement is the oldest geared machine in existence in a complete state. It illustrates an important stage in the development of the various complex astronomical machines from which the mechanical clock derives.

This early Persian astrolabe with a geared calendar movement is the oldest geared machine in existence in a complete state. It illustrates an important stage in the development of the various complex astronomical machines from which the mechanical clock d

“Planispheric Astrolabe” or the Astronomical Astrolabe

“Planispheric Astrolabe” or the Astronomical Astrolabe Designed for the Northern Hemisphere with 2 climate plates One for 10 degrees The other for your latitude

Islamic Brass Astrolabe with Five Celestial Globes - Origin: India Circa: 19 th Century AD to 20 th Century AD  Collection: Islamic Art Medium: Brass

priceless - Islamic Brass Astrolabe with Five Celestial Globes - Origin: India Circa: 19 th Century AD to 20 th Century AD Collection: Islamic Art Medium: Brass

Astrolabe with geared calendar, ca.1221/22. This 13th century Persian astrolabe is the oldest complete device with cog wheels known. On the front side it is an astrolabe, linked to the calendar by a gear train. On the back, the disc shows the phases of the Moon | Oxford, Museum of the History of Science

Muhammad ibn Abi Bakr al Ibari century) Astrolabe with geared calendar, Oxford, Museum of the History of Science. Of Persian origin, and one of the oldest complete devices of it's like in the museums collection.

Ancient astrolabe

The Earliest Surviving Dated Astrolabe – An astronomical instrument used for observing planetary movements, was indispensable for navigation. A type of analog calculator, brass astrolabes were developed by mathematicians in the medieval Islamic world.

An astrolabe (Greek: ἀστρολάβος astrolabos, "star-taker")[1] is an elaborate inclinometer, historically used by astronomers, navigators, and astrologers. Its many uses include locating and predicting the positions of the Sun, Moon, planets, and stars, determining local time given local latitude and vice-versa, surveying, triangulation, and to cast horoscopes.

lostintherenaissance: acottageinthewoods: unefilledujour: Catherine McIntyre - Astrolabe in the Oxford Museum of the History of Science (via quickwitter)

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