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History of Science Museum

Diptych Dial, by Joseph Tucher, Nuremberg, Early 17th Century

Inventory Number 41290


Acknowledgement: © History of Science Museum, University of Oxford, inv.41290

Subject
Sundials
Item type
Object
Provenance
Presented by J. A. Billmeir.
Primary inscriptions
Double bird punch in compass bowl.
Physical material
Ivory
brass and glass
Object type
Diptych dial
Dimensions
Height: 125mm Width: 79mm Depth: 14mm Weight: 0.221kg
Inventory No
41290
Accession Number
1957-84/82

Description

1a wind rose with index (vane missing) and compass viewing hole; vertical pin-gnomon dial giving zodiac sign, length of day, Italian hours and Babylonian hours, and table of latitudes; 2a horizontal string-gnomon dial for 42, 48, 54°, compass and two scaphe dials for Italian hours; 2b lunar volvelle and epact table. There is a suspension ring.