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History of Science Museum

Mechanical Equinoctial Dial, by William Deane, London, c. 1725

Inventory Number 71015


Acknowledgement: © History of Science Museum, University of Oxford, inv.71015

Item type
Object
Provenance
Presented by Lewis Evans
Primary inscriptions
"WM. DEANE Fecit" on meridian ring
Physical material
Brass and silvered brass
Object type
Equinoctial dial
Dimensions
Height: 297mm Width: 200mm Depth: 155mm Weight: 2.4kg
Inventory No
71015
Accession Number
1924-0/part

Description

Circular base with three levelling feet and inset compass surmounted by two crossed bubble levels. Decorative support for meridian ring within which rotates a ring with a clock face; sighting is by means of two lenses projecting onto an engraved spot (one lens missing).