A brass universal ring dial 18th century

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A universal ring dial 18th century brass made by Dollond of London At the National Museum of American History in Washington DC

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Size: 3900px × 4390px
Photo credit: © Michael Freeman / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: american, brass, dial, history, instrument, measurement, museum, national, nmah, ring, sundial, washington, x0b