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 are engraved with dotted lines, and a total of 74 stars labelled in Arabic. The ecliptic longitudes of eight stars have been determined. By comparing these values for the longitudes with those in the Ptolemaic catalogue for AD 137, and using the Arabic rate of precession, the epoch of the stars has been determined as 1622, with an uncertainty of 24 years.
- Image reference: D7999_1
- National Maritime Museum, Greenwich, London