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Appareil de Sylvester

Appareil de Sylvester

Solar Orrery: a mechanical device that illustrates the relative positions and motions of the planets in the solar system.

Solar Orrery: a mechanical device that illustrates the relative positions and motions of the planets in the solar system.

Herr Thiessen's clock - In the novel Herr is asked to create a clock for someone. The clock is placed in the middle of the circus. This clock can represent how time is the center of the novel. It helps create a path for people, but sometimes people destroy it.

Herr Thiessen's clock - In the novel Herr is asked to create a clock for someone. The clock is placed in the middle of the circus. This clock can represent how time is the center of the novel. It helps create a path for people, but sometimes people destroy it.

An armillary sphere (variations are known as spherical astrolabe, armilla, or armil) is a model of objects in the sky (in the celestial sphere), consisting of a spherical framework of rings, centred on Earth, that represent lines of celestial longitude and latitude and other astronomically important features such as the ecliptic. As such, it differs from a celestial globe, which is a smooth sphere whose principal purpose is to map the constellations.

An armillary sphere (variations are known as spherical astrolabe, armilla, or armil) is a model of objects in the sky (in the celestial sphere), consisting of a spherical framework of rings, centred on Earth, that represent lines of celestial longitude and latitude and other astronomically important features such as the ecliptic. As such, it differs from a celestial globe, which is a smooth sphere whose principal purpose is to map the constellations.

Richard Glynne (18th century)  Armillary sphere-orrery, ca. 1720  This instrument is a combination of an armillary sphere and a new kind of planetarium called an orrery. It demonstrates the structure of the Copernican universe.

Richard Glynne (18th century) Armillary sphere-orrery, ca. 1720 This instrument is a combination of an armillary sphere and a new kind of planetarium called an orrery. It demonstrates the structure of the Copernican universe.

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