Equinoctial Dial with Nocturnal, Spanish?, 15th Century

Subject: Mathematical instruments; Sundials
Item type: Object
Provenance: Presented by Lewis Evans in 1924. Purchased by Lewis Evans at Sotheby's in November 1900.
Primary inscriptions: Unsigned.
Physical material: Brass
Object type: Equinoctial dial
Dimensions: Diameter: 50mm Height: 60mm Depth: 20mm Weight: 0.1kg
Inventory No: 46855
Accession Number: 1924-0/part

Description

Circular brass box containing a compass, A nocturnal is incorporated into the lid, with one arm acting as a catch.