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History of Science Museum

Equinoctial Ring Dial, by Thomas Heath, London, c. 1730

Inventory Number 78442


Acknowledgement: © History of Science Museum, University of Oxford, inv.78442

Item type
Object
Provenance
Presented by Lewis Evans.
Primary inscriptions
"T * Heath Fecit"
Physical material
Brass
Glass
Physical technique
Gilt
Silvered
Object type
Equinoctial ring dial
Dimensions
Diameter: 215mm Height: 395mm
Inventory No
78442
Accession Number
1924-0/part

Description

Table-top dial with numerous refinements. Geared circular base ring with three levelling feet; removable base with inset compass (two bubble levels); geared meridian ring; two sights; handle.