...Three years later Rödkier, at Copenhagen, March 3 and 4, 1764, saw thesatellite of Venus with a refracting telescope 38 feet long, whichshould have been effective if longitude has any virtue...
Richard A. Proctor 「Myths and Marvels of Astronomy」
...In a refracting telescope we have to employ whatis known as the achromatic combination, consisting of one lens of flintglass and one of crown glass, adjusted to suit each other with extremecare...
Robert Stawell Ball 「The Story of the Heavens」
...There has, indeed, been some honourable rivalry between the variouscivilised nations as to which should possess the greatest refractingtelescope...
Robert Stawell Ball 「The Story of the Heavens」
...It is alsoto be noticed that such objects are a little out of the stellar focus inthe refracting telescope in consequence of their blue colour...
Robert Stawell Ball 「The Story of the Heavens」
...14), which reflects it to the focus F, producing thesame result as the lens of the refracting telescope...
Henry Warren 「Recreations in Astronomy」
...Observations were made of transits of Mercury andVenus, and refracting and reflecting telescopes were invented...
Thomas Orchard 「The Astronomy of Milton's 'Paradise Lost'」
...Clark, while in the act of testing the 18–inch refracting telescope,then just constructed by his firm, and now at the Dearborn Observatory,Illinois, U...
Cecil G. Dolmage 「Astronomy of To-day」
...Numerous refracting telescopes of exquisite perfection have beenproduced by Messrs...
Robert Stawell Ball 「The Story of the Heavens」
...We have thus far spoken only of the refracting telescope, because it isthe kind with which an observer would naturally seek to supply himself...
Simon Newcomb 「Side-lights on Astronomy and Kindred Fields of Popular Science」
...Atelescope, whether refracting or reflecting, consists oftwo essential parts, the first being a lens, or a mirror, toform an image, and the second a microscope, called aneyepiece, to magnify the image...
Garrett Serviss 「Pleasures of the telescope」
...
Telescope, refracting, ; reflecting,; Cambridge equatorial,...
Henry Warren 「Recreations in Astronomy」
...In Port Lincoln, I observed an eclipse of the sun with a refracting telescope of forty-six inches focus, and a power of about two hundred...
Matthew Flinders 「A Voyage to Terra Australis」
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