Graphic telescope
Encyclopedia
The graphic telescope is a type of camera lucida
that has the power of a telescope
. It was invented by Cornelius Varley
in 1811.
Camera lucida
A camera lucida is an optical device used as a drawing aid by artists.The camera lucida performs an optical superimposition of the subject being viewed upon the surface upon which the artist is drawing. The artist sees both scene and drawing surface simultaneously, as in a photographic double...
that has the power of a telescope
Telescope
A telescope is an instrument that aids in the observation of remote objects by collecting electromagnetic radiation . The first known practical telescopes were invented in the Netherlands at the beginning of the 1600s , using glass lenses...
. It was invented by Cornelius Varley
Cornelius Varley
Cornelius Varley was an English water-colour painter.-Biography:Varley was born at Hackney, London, on the 21 November 1781. He was a younger brother of John Varley, a watercolour painter and astrologer, and a close friend of William Blake, he was born in Hackney, London...
in 1811.