Product images of Sphere and stand
We use a 280gsm fine art paper and premium branded inks to create the perfect reproduction.
Our expertise and use of high-quality materials means that our print colours are independently verified to last between 100 and 200 years.
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Manufactured in the UK
All products are printed in the UK, using the latest digital presses and a giclée printmaking process.
We only use premium branded inks, and colours are independently verified to last between 100 and 200 years.
Sphere and stand
Islamic globe. Astronomical details on the sphere include stars and constellations. The zodiacal figures and Orion are engraved with dotted lines. A total of 67 stars are named, and the 48 Ptolemaic constellations are depicted, of which 43 are labelled. Corona Borealis, Aries, Scorpius, Orion and Lepus are not labelled. The ecliptic longitudes of a number of stars have been determined. By comparing these values to those in the Ptolemaic catalogue for AD 137, and using the Arabic rate for precession, the epoch of the stars has been determined as 1549, with an uncertainty of 34 years.
- Image reference: D8042_1
- National Maritime Museum, Greenwich, London