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History of Science Museum

Equinoctial Ring Dial with Quadrant, by Benjamin Martin, London, Late 18th Century

Inventory Number 76039


Acknowledgement: © History of Science Museum, University of Oxford, inv.76039

Item type
Object
Provenance
Presented by Lewis Evans
Primary inscriptions
"B MARTIN LONDON".
Physical material
Brass
Object type
Equinoctial ring dial
Dimensions
Diameter: 154mm
Inventory No
76039
Accession Number
1924-0/part

Description

Brass, with latitude scales for both Northern and Southern latitudes, and reverse of meridian and hour rings with quadrants in degrees.