Universal equinoctial ring dial by Michael Butterfield

Universal equinoctial ring dial

Michael Butterfield

Fine art poster

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

Delivery & returns

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.

Universal equinoctial ring dial by Michael Butterfield zoom

Universal equinoctial ring dial

Universal equinoctial ring dial for latitudes 0-90 north. The dial is for northern latitudes only and the degree scale on the meridian ring is divided clockwise from top [0]-[90]. The remainder of the obverse and reverse sides are filled with a table of latitudes primarily consisting of places in Italy. On the equinoctial ring, there is a main hour scale and the table of latitudes is continued. A rotatable ring on the inner rim carries an Italian hours scale. There is a date scale, but no declination scale and the equinoxes are given at 20 March and 22 September. There is elaborate leaf engraving on the stops and bridge ends. The stops for the equinoctial ring have additional hinged stops, which fold down once the equinoctial ring is in place to lock it in position. This rather heavy dial is even more ornately decorated than the other French dials of this type. The rotatable innermost ring carrying Italian hours is very unusual, and, combined with the large number of Italian towns listed, suggests that the instrument was made for an Italian or a Frenchman who travelled extensively in Italy. It is signed 'Butterfield AParis' on the obverse side of the meridian ring.
Michael Butterfield

  • Image reference: F2497-1

Discover more

More by the artist Michael Butterfield.