Holland Circle Bayens Delft

A fine and rare brass Holland Circle or ‘simple theodolite’.

Signed: Gebroeders Bayens, Delft.

The silvered engraved compass dial has a gilded centre rosette and a finely balanced compass needle with jewelled pivot. The spoked frame with well divided circle with four fixed sights, the rotating alidade with two sights. Complete with a brass ball-and-socket mount and the original oak octogonal box.

The instrument can aslo be used as a cross, or as circumferentor.

Diameter: 22 cm.

A simular instrument is pictured in the book The divided circle by J. A. Bennett and in the collection of Museum Boerhaave, Leiden.

In good condition.

Holland circa. 1820.