Astronomy - Ch. 6: Telescopes (11 of 25) The Newtonian Reflecting Telescope - YouTube
Isaac Newton Telescope - Wikipedia
How Newton's Telescope Changed the World
The Royal Society on X: "Today in 1672, Isaac Newton revealed his reflector telescope and was elected a Fellow of the Royal Society. He was 29 years old https://t.co/U0PcTMNNGv #OnThisDay https://t.co/T725pzzw8w" /
Reflecting Newtonian telescope: Physclips - Light
Isaac Newton's Design For A Reflecting Telescope by
Isaac Newton's reflecting telescope (replica) | Science Museum Group Collection
Isaac Newton's Reflecting Telescope by Power And Syred, Nasa/science Photo Library