Gregorian travel telescope in brass with its tube in pink shagreen.

Mobile system on the side in working order.

Note : The Gregorian telescope is a type of telescope consisting of two mirrors, which was invented in the 17^th century by James Gregory, a mathematician and astronomer. It was first built in 1673 by Robert Hooke.

Dimension : length of 18.3 cm.

England circa 1780.

Reference : D ex K1

Price and additional photos on request. 

Also discover many more antique telescopes and spyglasses in the dedicated section of our French website : « Télescope, longue vue et lorgnette ».