Orrery

Description
Although this instrument is not signed, it closely resembles the orrery that Edward S. Ritchie offered in 1860. It is a simple crank-operated model showing the relative positions of the Sun, Mercury, Venus, Earth and Moon, Mars and its two moons, Jupiter (missing) and its moons, Saturn with Rings and several moons, and Uranus. The stand is wood. The arms holding the planets are brass.
Ref: Ritchie’s Illustrated Catalogue of Philosophical Instruments, and School Apparatus (Boston, 1860), p. 75.
Location
Currently not on view
Object Name
orrery
Physical Description
wood (overall material)
brass (overall material)
Measurements
overall: 28 1/2 in x 21 in; 72.39 cm x 53.34 cm
ID Number
PH*322462
accession number
250508
catalog number
322462
subject
Astronomy
Measuring & Mapping
Globes
See more items in
Medicine and Science: Physical Sciences
Globes
Data Source
National Museum of American History, Kenneth E. Behring Center

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