Tablet diptych (?) sundial for Italian hours

Tablet sundial, ivory and bronze, Italian hours (cracked)

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Tablet sundial, ivory and bronze, Italian hours (cracked)
Science Museum Group
© The Board of Trustees of the Science Museum

Tablet sundial, ivory and bronze, Italian hours (cracked). One compass needle and glass missing. Vertical dial for use at latitude 42° (Rome). Cup dial for use at latitude 45° (Venice). Made in Italy, 1530-1640 (see note).

Details

Category:
Time Measurement
Object Number:
1938-354
Materials:
ivory and bronze (copper, tin alloy)
Measurements:
overall: 16 mm x 85.73 mm x 88.9 mm, .205kg
type:
diptych sundial
credit:
Mr W.E. Miller