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History of Science Museum

Diptych Dial or Astronomical Compendium, by Hostlowsky, German, c.1630

Inventory Number 40631


Acknowledgement: © History of Science Museum, University of Oxford, inv.40631

Subject
Sundials
Item type
Object
Provenance
Lewis Evans Collection
Primary inscriptions
".M.H.F." "Hostlowsky" (bottom of the ivory compass)
Physical material
Gilt brass
ivory
Object type
Diptych dial
Dimensions
Height: 80mm Width: 95mm Depth: 18mm
Inventory No
40631
Accession Number
1924-0/part

Description

Brass diptych dial with ivory inset compass; lunar volvelle; vertical string-gnomon dial for ordinary hours, vertical string-gnomon dial for Babylonian and Italian hours; horizontal string-gnomon dial, compass; calendar volvelle and times of sunrise and sunset. Sides have tables of epacts and dominical letters.