How to use Refracting-telescope in a sentence

refracting-telescope
  • The largest refracting telescope in active use is the Yerkes telescope, with an object-glass of 40-in.

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  • A 100mm diameter, 500mm focal length refracting telescope was used, equipped with a solar filter.

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  • When in 1666 he made his discovery of the different refrangibility of light of different colours, he soon perceived that the faults of the refracting telescope were due much more to this cause than to the spherical figure of the lenses.

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  • The largest refracting telescope yet made, viz., that constructed by Gautier for the Paris exhibition of 1900, was arranged on this plan (type F), the stars' rays being reflected along the horizontal axis re rac or of a telescope provided with visual and with photo graphic object-glasses of 49-in.

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  • What is the diameter of the glass lens of the largest refracting telescope in the United Kingdom?

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