Yesterday Today - The first reflecting telescope built by Sir Isaac Newton in 1668 is a landmark in the history of telescopes, as the first known successful reflecting telescope. He used a
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Newton's telescope. 1668. Sir Isaac Newton Wall Art, Canvas Prints, Framed Prints, Wall Peels | Great Big Canvas
![Isaac Newton's Reflecting Telescope Photograph by Power And Syred, Nasa/science Photo Library - Fine Art America Isaac Newton's Reflecting Telescope Photograph by Power And Syred, Nasa/science Photo Library - Fine Art America](https://images.fineartamerica.com/images-medium-large-5/2-isaac-newtons-reflecting-telescope-power-and-syred-nasascience-photo-library.jpg)