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History of Science Museum

Bloud-Type Magnetic Azimuth Dial, by Charles Bloud, Dieppe, c. 1660

Inventory Number 34478


Acknowledgement: © History of Science Museum, University of Oxford, inv.34478

Subject
Sundials
Item type
Object
Provenance
Not ascertained
Primary inscriptions
"Charles / Bloud / ADieppe" engraved on calendar disc.
Object type
Magnetic dial
Dimensions
Height: 73mm Width: 65mm Depth: 16mm
Inventory No
34478

Description

1a universal equinoctial dial; 1b combined lunar volvelle and southern part of equinoctial dial, and latitude scale; 2a magnetic azimuth dial incorporating latitude list on printed compass card and unusual needle; 2b rotating calendar disc.