Epact Scientific Instruments of Medieval and Renaissance Europe

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Surveying Instrument
Unsigned
16th century; Italian
Brass; 180 mm in radius

This surveying instrument is in the form of an octant. It is made up of a circular sector of 45?, in brass, fixed onto a wooden base.

The brass plate bears a finely engraved grid and, along its rim, a scale of degrees with transversal divisions.

Istituto e Museo di Storia della Scienza, Firenze
Inventory no. 20

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