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There are 4 objects associated with "Object-quadrant".

Movable quadrant by S. Menini - Bologna, 1710: brass and iron, radius 100 cm.

This instrument was used in Bologna by Eustachio Zanotti in order to take the positions of Venus on the Sun during the 1761 transit. It is fitted with two telescopes, one fixed the other movable. It h...

Quadrant by Georg Friedrich Brander, used for the 1761 transit by P. v. Osterwald

Deutsches Museum Munich

Inv.Nr. 2060

Sign.: "G.F. Brander fecit Agustuae Vindel. ACAD: SC: ELECT: BOICAE SOD:"

Made in 1760/61

Total Height: 245cm

The instrument was ordered by the Bavarian Aca...

Quadrant, Astronomical

Quadrant engraved "J. Bird, London," ca 1764.

Quadrant, Astronomical

Astronomical quadrant by Jeremiah Sisson of London ca. 1765.

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