• Abrahams, Peter. The history of the telescope and binocular. http://www.europa.com/~telscope/binotele.htm


• Antique Telescope Society. http://webari.com/oldscope


• Photos of the Cincinnati Observatory's 1904 Alvan Clark 11-inch refractor and the 1843 Merz und Mahler 16-inch refractor may be found here: Cincinnatiobservatory.org/picture/.


• This site is an ongoing project of Larry Brown. See my Homemade Astronomy web site.

To exchange links with me, email me at this address: tango at fuse dot net. This address has been spam-proofed. Replace the word "at" with the @ sign and the word "dot" with a period. Please note that I am only interested in links that contain information about historical astronomical instruments or historical astronomy. Thanks!