Educational cosmograph after Pierre Auguste Garassut by Hach - Lot 2

Lot n° 2
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Estimation :
600 - 800 EUR
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Result : 3 000EUR
Educational cosmograph after Pierre Auguste Garassut by Hach - Lot 2
Educational cosmograph after Pierre Auguste Garassut by Hachette, circa 1880. Approx. 45x40 cm. The instrument, in brass, steel and wood, rests on a cast-iron base. It is signed "Cosmographe Garassut breveté H&cie Paris Made in France". The small globe is signed "Gasselin". Garassut filed a 15-year patent on February 20, 1875 for "a geographical, cosmographic and uranographic mechanism representing the translational motion of the Earth and other planets around the Sun". This educational planetary was mainly used to demonstrate the dual motion of the Earth around the Sun and the simultaneous motion of the Moon around the Earth. It was exhibited at the 1878 and 1889 World's Fairs. A broken rod, complete with moon.
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