Skip to content
History of Science Museum

Ring Dial, German?, c. 1480

Inventory Number 34394


Acknowledgement: © History of Science Museum, University of Oxford, inv.34394

Item type
Object
Provenance
Presented by Lewis Evans
Primary inscriptions
"MARTIN FREY REGENSPURGE 1590" [remaining part of a later inscription].
Physical material
Brass
Object type
Ring dial
Dimensions
Height: 6mm Width: 112mm Depth: 96mm Weight: 0.2kg
Inventory No
34394
Accession Number
1924-0/part

Description

Brass square plate with central disc, containing an allidade set to the declination by means of the Zodiac scale on the disc, which also has a shadow square. At the bottom there is a small brass ruler marked with a scale of chords and secured in two slots.