Graphic telescope explained

The graphic telescope is a type of camera lucida that has the power of a telescope. It was invented by Cornelius Varley in 1809. It can be used to draw broad landscapes.

Graphic telescopes allow the size of the projected image to be adjusted.^[1] They can be used separately, or with a portable table to reduce vibrations.^{[2] [3]} They may also be mounted in a vehicle.^[4]

See also

• List of telescope types

External links

• Camera lucida and Varley Graphic telescope
• Web site: Using the Patent Graphic Telescope . en . video.
• Web site: The graphic telescope and Varley's artwork . www.sites.hps.cam.ac.uk . Whipple Museum of the History of Science. (includes 1840 magazine article on instrument)
• A picture of a Graphic telescope, another.

Notes and References

1. Web site: Camera Lucida & Varley Graphic Telescope - Victoria and Albert Museum . https://web.archive.org/web/20101228082329/http://www.vam.ac.uk/collections/paintings/features/cheating/lucida/index.html . dead . 28 December 2010 . Victoria and Albert Museum . 28 December 2010.
2. Web site: Cornelius Varley . www.gracesguide.co.uk . Grace's Guide to British Industrial History.
3. Web site: Original ad for graphic telescope .
4. Web site: Cornelius Varley's Patent Graphic Telescope . Cloudy Nights . en.