June 2023
Page 2

A Newly Discovered Horary Quadrant from the French Renaissance

Details the discovery of an ivory horary quadrant by Oronce Fine, dated 1518, designed for 48° 30ʹ latitude. The quadrant features straight hour lines and an elaborate carved leather case bearing the coat of arms of Michel Boudet, Fine’s protector. It is noted as being remarkably similar to the quadrant seen in Holbein’s "Les Ambassadeurs".
Dials: Portable, Mathematics of Dialling, Dialling Tools, Historical Dials

David Coffeen