Modern Astrolabe (Medium size)

Modern Astrolabe (Medium size) from Geodus.
LOUPE available.
Relative dimensions of the object compared to a person of 1,70m (67"). Small objects are on a table. diameter in cm and inch

Our price: $ 129.00

 
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Diameter: 4 inch  (10 cm)
Overall height: 5 inch  (12 cm)

Weight: 0.34 kg  (0.7 lb)
Materials: lacquered metal


Modern Astrolabe (Medium size).

This new astrolabe has been crafted in the same spirit of the astrolabes created more than a thousand years ago, but with an up to date Star map.


Function.
An astrolabe is a very ancient astronomical computer for solving problems relating to time (what time is it ?) and the position of the Sun and stars in the sky.

Astrolabes are used to show how the sky looks at a specific place at a given time.
This is done by drawing the sky on the face of the astrolabe
To use an astrolabe, you adjust the moveable components to a specific date and time. Once set, much of the sky, both visible and invisible, is represented on the face of the instrument.
Typical uses of the astrolabe include finding the time during the day or night, finding the time of a celestial event such as sunrise or sunset and as a handy reference of celestial positions.
The typical astrolabe was not a navigational instrument although an instrument called the mariner's astrolabe was widely used in the Renaissance.


History.
The history of the astrolabe begins more than two thousand years ago.
The principles of the astrolabe projection (stereographic projection) were known before 150 B.C., and true astrolabes were made before A.D. 400.
The astrolabe was highly developed in the Islamic world by 800 and was introduced to Europe from Islamic Spain (al-Andalus) in the early 12th century.
It was the most popular astronomical instrument until about 1650, when it was replaced by more specialized and accurate instruments.


Accuracy.
The sky map of this astrolabe is the one of the 21th century.
This astrolabe is fully functional.
It's accuracy is:
for the latitudes 49° to 52°,
for the North latitudes out of this interval.



Attention to detail, historical interest, beauty of forms characterize this very fine Astrolabe, shipped complete with a hardwood display stand and a user guide with ad hoc exercises ( in english in french in spanish in italian ).

Delivery date of the Modern Astrolabe (Medium size) *

Delivery date of the Modern Astrolabe (Medium size)
* indicative date for an order validated today.

Guarantees for the Modern Astrolabe (Medium size)

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Direct Guarantee: 1 year
astrolabeshop.com refunds you the difference if you find the same article cheaper in the European Union.

Complete TED video (9 minutes)



Introduction, description: different components, stereographic projection, main function: how to get time in 5 steps, other functions, history, conclusion.

View video



Video showing the different parts of an astrolabe (2 minutes)



Mater, Alidade, Plate, Altitude, Azimuth, Horizon, Zenith, Tropic and Equator, Rete, Ecliptic, Fixed Stars.

View video



Customer reviews of the H32

(ordered by decreasing date)
Average calculated on the base of 85 reviews.Average of 4,2 based on 85 reviews.

mark: 4 on 5. Happy with the astrolabe. I would have liked to have more detailed accompanying information.
Gary M. from E10 7AH London (United kingdom)

mark: 5 on 5. Very pleased with item.
D vincent B. from 78643 Llano tx (United states)

mark: 4 on 5. The article appears to comply with expectations except that the ring displaying the months of the year (the Rete) shows them in an anti-clockwise direction rather than clockwise as shown in the Explanatory Manual. We are still trying to master the workings of the instrument.
John L. from CH63 1JF Thornton hough (United kingdom)

mark: 5 on 5. This article reached me in very good condition and in very good time
Harriet W. from bt81 7bt Castlederg (United kingdom)

mark: 4 on 5. Great thanks
Sacha B. from GL51 0GE Cheltenham (United kingdom)

mark: 4 on 5. As described
Aisling B. from H4A2W8 Montreal (Canada)

mark: 5 on 5. APPEARS TO BE EXCELLENT
Isobel M. from CB102PA Near saffron walden (United kingdom)


View the 17 last reviews of the H32.

Details


Materials: lacquered metal

 4,2 on 5 (85 reviews)

3 last reviews

Happy with the astrolabe. I would have liked to have more detailed accompanying information. by Gary M. from E10 7AH London

Very pleased with item. by D vincent B. from 78643 Llano tx

The article appears to comply with expectations except that the ring displaying the months of the year (the Rete) shows them in an anti-clockwise direction rather than clockwise as shown in the Explanatory Manual. We are still trying to master the workings of the instrument. by John L. from CH63 1JF Thornton hough

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