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History of Science Museum

Mechanical Equinoctial Dial on a Diptych, German, 18th Century

Inventory Number 52676


Acknowledgement: © History of Science Museum, University of Oxford, inv.52676

Subject
Sundials
Item type
Object
Provenance
From the collection of Lewis Evans.
Primary inscriptions
Unsigned
Physical material
Brass
Object type
Equinoctial dial
Dimensions
Height: 123mm Width: 123mm
Inventory No
52676
Accession Number
1924-0/part

Description

String gnomon diptych dial with mechanical equinoctial dial on lid.

Square base with inset central compass, three adjustable screw feet, sprung folding latitude arc and sprung folding plumb level. String gnomon horizontal and vertical dials with catches to hold the lid in the vertical.