Astrolabe: plates 39 by Michael D. Piquer

Astrolabe: plates 39

Michael D. Piquer

Fine art poster

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  • Amazing giclée print quality
  • 280gsm thick fine art print paper
  • 100+ year colour guarantee
  • Dimensions:
    • by cm including border ( by in)
    • by cm excluding border ( by in)

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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.

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We print everything to order so delivery times may vary but all unframed prints are despatched within 2-4 days via courier or recorded mail.

Delivery to the UK is £5 for an unframed print of any size.

We will happily replace your order if everything isn’t 100% perfect.

Astrolabe: plates 39 by Michael D. Piquer zoom

Astrolabe: plates 39

Piquer was a monk in the monastery of the Holy Cross in Catalonia. His astrolabe bears no date, but in the past has always been dated to around 1585 because the vernal point (the day on which the apparent path of the sun crosses the path of the Earth's equator), situated on the ecliptic on the rete, coincides with a point just after 20th March, thus incorporating the effect of the Gregorian calendar reform of 1582. However, Piquer's other two astrolabes are dated 1542, thus creating an unlikely gap of 40 years. A close look at the ecliptic inside the rete of the NMM astrolabe reveals that the original calendar has been burnished out (probably some time after 1582) and replaced with the new, reformed version. Close inspection reveals traces of the original engraving. Thus the astrolabe can be dated much earlier to around the 1550s. It has a specially shaped red leather case that may well be original.
Michael D. Piquer

  • Image reference: E0627

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