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Clyde Tombaugh as a young man with his home-built reflectingtelescope.
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I mounted my ten-inch home-made reflectingtelescope, and began my survey of the heavens.
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A reflectingtelescope, of two feet focal length, by ditto.
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Such is the principle of the famous reflectingtelescope which bears the name of Newton.
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In the reflectingtelescope, however, there are necessary limitations.
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A reflectingtelescope: the largest in the world.
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Even the wooden framework of the reflectingtelescope which he used was painted a brilliant red.
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I think it was about the year 1868 that I began to make a reflectingtelescope.
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Here is one of the chief sources of interest in the possibilities of a 100-inch reflectingtelescope.
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Three years later I initiated Mr. Maudslay into the art and mystery of making a reflectingtelescope.
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This may explain why Newton went on to invent the reflectingtelescope for all his routine stargazing needs.
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His employer, Mr. George Dickinson, also seems to have bought his reflectingtelescope from him for the sum of
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If the use be for carriage, the feet may shut up, like the usual brass feet of a reflectingtelescope.
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So George Clark made up his mind that he would make a reflectingtelescope; that is, one with a mirror in it.
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In the early 1830s the third earl of Rosse designed and built a reflectingtelescope that for almost a c(...)
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Several models are displayed, including a wood-and-paper creation depicting Newton's original tiny reflectingtelescope, first unveiled to England's King Charles II in 1671.