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Home > Planetaria & Sundials > Historical instruments > Hemisferium > Hemisferium Arabic astrolabe

Hemisferium Arabic astrolabe

Product no.: 44753
Manufacturer: Hemisferium

€ 99.00

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Product description:

Please note that this product desciption was translated by a computer. For more information please contact our english speaking customer service.

Reproduction of an astrolabe, realized by Diya al Din Muhammad in 1647.

An original copy of this astrolabe is carefully preserved at the Adler Planetarium and Astronomy Museum (Chicago).

Almost all descriptions in this astrolabe are in Arabic (translations in the manual).

An astrolabe is a very ancient astronomical computer for problems with respect to time (How much clock it is), to solve the position of the sun and the stars.

Astrolabes are used to represent the sky at a given time in a particular place.

This is done by the sky is shown on the face of the astrolabe.

To use an astrolabe to set up the moving parts out on a certain date and at a specific time. Once set, is shown (both visible and invisible) on the surface of the instrument much of the sky.

A typical use of the astrolabe is the detection of the time during the day or at night, determining the time of planetary phenomena such as sunrise or sunsets and as a practical aid for the calculation of star positions.

The typical astrolabe was not a navigation instrument, although called mariners astrolabe in the Renaissance, an instrument was widespread.

The history of the astrolabe begins more than 2000 years ago.

The laws of Astrolabiumprojektion (stereographic) Been 150 BC. known and accurate astrolabes were before 400 AD. produced.

The astrolabe was highly developed in the years 800 in the Islamic world and introduced century of Islamic Spain (al-Andalus) in Europe in the early 12.

Until about 1650 it was the most common astronomical instrument until it was replaced by more precise instruments.

The sky map, this astrolabe is from the 21st century and the astrolabe is fully functional.

The attention to detail, historical interest and beauty of the shapes are hallmarks of this beautiful astrolabe. Supplied complete with a wooden base and an instruction manual.

28.01.2020
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