Portable Universal Sundial with Gearwork Calendrical Apparatus

Medium:

Brass

Dimensions:

Sundial: Diam. 13.5 cm; D. 0.3 cm. Gear A: Diam. 5.4 cm; D. 1.0 cm. Gear B: Diam 3.2 cm; D. 2.8 cm. Suspension Arm: H. 12.7 cm; W. 3.0 cm; D. 1.8 cm

Context:

Unknown

Date:

ca. 500 CE

Inventory Number:

1983-1393

Lender:

Science Museum, London

Credit:

The Science Museum, London