Sphaera Armillaris Copernicana

Description
Stevin Tracy was an artisan in Rotterdam who, around 1670, made a magnificent mechanical model of the solar system. This model depicted the Sun, Mercury, Venus, Earth and Moon, Mars, Jupiter and its four largest moons, and Saturn. Peter Vander Aa, an engraver in Leyden, produced this engraved image of Tracy’s instrument in 1711, the year after it was given to the University of Leyden. The explanatory text is in Latin and French.
Ref: Henry C. King and John R. Millburn, Geared to the Stars. The Evolution of Planetariums, Orreries, and Astronomical Clocks (Toronto, 1978), pp. 213-214.
Location
Currently not on view
date made
1711
place made
Nederland: Zuid-Holland, Leiden
Measurements
overall: 20 3/4 in x 15 3/8 in; 52.705 cm x 39.0525 cm
ID Number
PH.323343
catalog number
323343
accession number
251006
subject
Astronomy
See more items in
Medicine and Science: Physical Sciences
Science & Mathematics
Prints from the Physical Sciences Collection
Data Source
National Museum of American History, Kenneth E. Behring Center

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