File:Spherical astrolabe 2.jpg
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Summary
Object
Spherical Astrolabe | |||||||||||||||||||||||||||
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Artist |
Signed by Musa |
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Title |
English: Spherical astrolabe Nederlands: Islamitisch sferisch astrolabium Oʻzbekcha / ўзбекча: Sfera astrolyabiyasi Hrvatski: Sferni astrolab nastao u srednjevjekovnoj islamskoj astronomiji. Français : Astrolabe sphérique (885H/1480-81) Русский: Сферическая астролябия |
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Object type | astrolabe | ||||||||||||||||||||||||||
Description |
The spherical astrolabe from medieval Islamic astronomy, c. 1480, in the Museum of the History of Science, Oxford[1] |
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Date | 885H/1480-81 | ||||||||||||||||||||||||||
Medium | brass and silver | ||||||||||||||||||||||||||
Dimensions |
diameter: 90 mm (3.5 in) dimensions QS:P2386,+90U174789 |
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Collection |
institution QS:P195,Q6941088 |
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Accession number |
1962-25 |
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Place of creation | Persis | ||||||||||||||||||||||||||
References | http://www.mhs.ox.ac.uk/object/inv/49687 |
Photograph
DescriptionSpherical astrolabe 2.jpg | |||
Date | |||
Source | Islamic Instrumentation - A Spherical Astrolabe | ||
Author | Brian from Glasgow, Scotland | ||
Permission (Reusing this file) |
This file is licensed under the Creative Commons Attribution 2.0 Generic license.
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- ↑ David C. Lindberg; Michael H. Shank (7 October 2013) The Cambridge History of Science: Volume 2, Medieval Science, Cambridge University Press, p. 173 Retrieved on 15 May 2018. ISBN: 978-1-316-02547-5.
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 21:10, 29 December 2009 | 960 × 1,280 (195 KB) | KJG2007 (talk | contribs) | Image rotated to vertikal (hopefully) | |
21:07, 29 December 2009 | 1,280 × 960 (198 KB) | KJG2007 (talk | contribs) | {{Information |Description=This is a really fascinating relic of the time when Islamic Scholars were at the forefront of astronomy, mathematics and scientists. it's just such an amazingly intricate and mysterious object, it's hard not to see it as having |
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Metadata
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Camera manufacturer | Canon |
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Camera model | Canon PowerShot G7 |
Exposure time | 1/40 sec (0.025) |
F-number | f/2.8 |
Date and time of data generation | 16:35, 2 November 2007 |
Lens focal length | 7.4 mm |
Orientation | Normal |
Horizontal resolution | 180 dpi |
Vertical resolution | 180 dpi |
File change date and time | 16:35, 2 November 2007 |
Y and C positioning | Centered |
Exif version | 2.2 |
Date and time of digitizing | 16:35, 2 November 2007 |
Image compression mode | 5 |
APEX shutter speed | 5.3125 |
APEX aperture | 2.96875 |
APEX exposure bias | 0 |
Maximum land aperture | 2.96875 APEX (f/2.8) |
Metering mode | Pattern |
Flash | Flash did not fire, compulsory flash suppression |
Color space | sRGB |
Focal plane X resolution | 7,916.3763066202 |
Focal plane Y resolution | 7,925.5813953488 |
Focal plane resolution unit | inches |
Sensing method | One-chip color area sensor |
Custom image processing | Normal process |
Exposure mode | Manual exposure |
White balance | Auto white balance |
Digital zoom ratio | 1 |
Scene capture type | Standard |