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Robert Dudley, Quadrante orario
Robert Dudley, Horary quadrant

Brass; radius 37 cm
Florence, Istituto e Museo di Storia della Scienza, inv. 3365

Measurement instrument and dial, this quadrant carries on one side the layout of the hour lines and, on the other, the shadow scale encircled by a wind rose. Provenance: Robert Dudley bequest.