The Royal Society on X: "Here's one from the Royal Society collections - a reflecting telescope designed and made by Isaac Newton. He built his first version in 1668; this is his
Isaac Newton Telescope | Instituto de Astrofísica de Canarias • IAC
Isaac Newton's reflecting telescope (replica) | Science Museum Group Collection
Newton's Telescope - Telescope Nerd
Isaac Newton's Design For A Reflecting Telescope by
19th Century Model Of Newtons Reflecting Telescope Photograph by Royal Greenwich Observatory/science Photo Library - Fine Art America
Isaac Newton's Reflecting Telescope, 1668' Photographic Print - Sir Isaac Newton | Art.com