Reflecting Gregorian Telescope C.1740 Claude Paris?
1250€
Reflecting Gregorian Telescope C.1740 Claude Paris?
Dimensions
44 CM 7,5 CM Diameter
Circa
1740
Country of manufacture
France
Description
Beautiful Gregorian telescope mounted on a tripod base.
In the main tube, a first steel mirror receives light (the image) which is then reflected and focused towards a second, smaller concave mirror. It is this image which is observed at the other end of the tube. An endless screw, installed along the tube, makes it possible to improve sharpness and vary the distance between the two mirrors. An additional tinted glass lens can be added for observing very luminous bodies. The first model of Gregorian telescope was built in 1673 in collaboration with the English physicist Robert Hooke (1635-1703). In the 18th century, Gregorian telescopes were found in many physics and curiosity cabinets.
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Dealer information
Antiques Le Saint Georges
Antiques Le St Georges was established By G.Bruguière de Gorgot in 1981 in south of France and now in Barcelona since 2004 .
We are specialized in Antique scientific instruments: Globes and Planetaria, Microscopes, Sundials, Mathematical instruments and medical instruments.
We advise and supply private collections and international museums.
We also buy valuable instruments.
You can visit us at www.globe-antique.com .
Do not hesitate to contact us at [email protected] if you are searching for something in particular, or tel: +34637730240 or instagram globeantiquecom.
