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A brass Gunter quadrant, probably English, 17th century, image 1
A brass Gunter quadrant, probably English, 17th century, image 2
Lot 99

A brass Gunter quadrant,
probably English, 17th century,

29 August – 9 September 2025, 12:00 BST
Online, London, Knightsbridge

Sold for £7,680 inc. premium

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A brass Gunter quadrant, probably English, 17th century,

one face mounted with two sights, lacking plumb line, engraved with Gunter quadrant, six names stars, zodiacal, calendar and 0-90 degree scale, the reverse with rotating disc with Rojas projection with constellations around stars shown with dotted outlines, on the circumference of the disc are six small pointers which relate to the six names stars on the other face 10cm (4in) radius

Footnotes

Provenance:
Tesseract, New York, 1987.
Private collection.

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