...In precisely a similar manner an image is formed at thefocus of the object glass of a refracting telescope... 
Garrett Serviss 「Pleasures of the telescope」
...From this follows the most striking differencein the method of using refracting and reflecting telescopes...
Garrett Serviss 「Pleasures of the telescope」
...In other words, you haveconstructed a simple refracting telescope...
Garrett Serviss 「Pleasures of the telescope」
...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」
...A refracting telescope which has been freed from theeffects of chromatic aberration is called achromatic...
Garrett Serviss 「Pleasures of the telescope」
...
Telescope, refracting, ; reflecting,; Cambridge equatorial,...
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」
...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」
...If a refracting telescope is to be used for taking celestialphotographs, the lenses of the object-glass must be specially designedfor this purpose...
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」
...In either casethe image may be magnified, as in the refracting telescope...
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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