Assertion: newton's telescope | /r/Synonym | newtonian telescope
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Source sentences:
text: Building the design, the first known functional reflecting telescope, today known as a Newtonian telescope, involved solving the problem of a suitable mirror material and shaping technique.
text: The Royal Society took interest in his optics works, particularly his investigations into the refraction of light, as well as the reflecting telescope he invented (today known as a Newtonian telescope).