Pendulum of planetarium clock, Pendulum with gilt round weight, F. Ducommun, La Chaux-de-Fonds, c. 1820, steel (alloy), l 20 cm

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Photo credit: © Artokoloro / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: 20, 1820, alloy, chaux-de-fonds, clock, cm, ducommun, gilt, la, pendulum, planetarium, steel, weight