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A tellurion orrery by Claude-Simenon Passement. Paris, circa 1765. I love it!

A tellurion orrery by Claude-Simenon Passement. Paris, circa I love it!

Armillary sphere with astronomical clock made by Joost Bürgi and Antonius Eisenhoit, Kassel, 1585. Constructed from bronze, steel and ebony. The sphere was looted from Prague by Swedish forces in 1648 and is currently the property of the Nordiska Museet in Stockholm. Note says: "Johannes Kepler studied the stars with the help of this armillary sphere". Date	4 March 2009 Author	Chris Bainbridge

Jost Bürgi and Antonius Eisenhoit: Armillary sphere with astronomical clock, made 1585 in Kassel, now at Nordiska Museet in Stockholm

The Laputans studied the sky endlessly, always fretting the slightest shift in the stars.

The Laputans studied the sky endlessly, always fretting the slightest shift in the stars.

The Artist may not want to call this Steam Punk, its awesome and true to the real Steam Punk aesthetic, when 99.9% of stuff called Steam Punk is not.  by Eric Freitas

The Artist may not want to call this Steam Punk, its awesome and true to the real Steam Punk aesthetic, when of stuff called Steam Punk is not. by Eric Freitas

Chateau-Ecouen- MICHEL ASNE - ASTROLABE PLANISPHERIQUE, 1: Caen, 1602. Signé: "Micael Asineus aurifex Cadami exarabat anno Salutis 1602" (Michel Asne, orfèvre de Caen, le grava en l'an de grâce 1602). Laiton, papier, encre. Acq de M.BAUR, 1875. E.CL.9348. L'astrolabe planisphérique est une représentation de la voûte céleste sur un plan. Ce plan est celui de l'équateur.

Chateau-Ecouen- MICHEL ASNE - ASTROLABE PLANISPHERIQUE, 1: Caen, 1602. Signé: "Micael Asineus aurifex Cadami exarabat anno Salutis 1602" (Michel Asne, orfèvre de Caen, le grava en l'an de grâce 1602). Laiton, papier, encre. Acq de M.BAUR, 1875. E.CL.9348. L'astrolabe planisphérique est une représentation de la voûte céleste sur un plan. Ce plan est celui de l'équateur.

An orrery is a mechanical device that illustrates the relative positions and motions of the planets and moons in the Solar System in a heliocentric model. Though the Greeks had working planetaria, the first orrery that was a planetarium of the modern era was produced in 1704, and one was presented to the Earl of Orrery — whence came the name. They are typically driven by a clockwork mechanism with a globe representing the Sun at the centre, and with a planet at the end of each of the arms.

A view showing the gear work mechanism of an unfinished orrery, made by the famous instrument maker Jesse Ramsden. The orrery was invented in 1710 by George Graham, and derives its name from his patron, the Earl of Orrery.

Equatorial telescope by George Adams, ca.1788, Muzeum Uniwersytetu Jagiellońskiego (MUJ)

Equatorial telescope by George Adams, ca.1788, Muzeum Uniwersytetu Jagiellońskiego (MUJ)

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