SubjectMathematical instrumentsSundialsItem typeObjectProvenancePresented by J. A. Billmeir. From the Michel collection.Primary inscriptions"Nepos Gemmæ Frisij Louanij fecit 1567"Physical materialBrassObject typeRing dialDimensionsDiameter: 11cmInventory No48126Accession Number1957-84/24DescriptionBrass, with probable replacement sights on the inner ring.Related ItemsMore related itemsAstronomical Ring, by Johan Motter?, Louvain, 1602Inventory Number 35171Astrolabe, by Regnerus Arsenius, Louvain, 1565Inventory Number 53558Astronomical Ring Dial, by de Succa, Antwerp, 1600Inventory Number 50526Astronomical Ring Dial, by Joh. Andreas Pfeiffer, Coburg, c. 1717Inventory Number 47753