Scientific and assembled small refractor telescopes.    From Wordnik.com.  [John C. Mather - Autobiography] Reference

Each star was a huge refractor, a gravitational lens.    From Wordnik.com.  [Across The Sea Of Suns]

The 15 inch refractor belonging to the Harvard College.    From Wordnik.com.  [Scientific American Supplement, No. 601, July 9, 1887] Reference

It only comes in two styles – refractor or reflector.    From Wordnik.com.  [For Christmas – Don't Think Nintendo Wii… Think Celestron Omni | Universe Today] Reference

No very large refractor is entirely free from these defects.    From Wordnik.com.  [To Mars via The Moon An Astronomical Story] Reference

It was a big instrument, a four-inch refractor on a heavy tripod.    From Wordnik.com.  [Lucifer's Hammer]

They have a small refractor that they keep in the trunk of their car.    From Wordnik.com.  [Learn: Identify constellations, stars, planets and how to navigate at night] Reference

He discovered 122 asteroids with a 600 refractor, and all were visual observations.    From Wordnik.com.  [Weekend SkyWatcher's Forecast – December 5-7, 2009 | Universe Today] Reference

Mr. Miller, our librarian, preferring to use for that purpose a four inch refractor.    From Wordnik.com.  [Scientific American Supplement, No. 832, December 12, 1891] Reference

Cambridge, United States, to meet some gentlemen there, and spy through the great refractor.    From Wordnik.com.  [Two on a Tower] Reference

You could buy a three-inch refractor telescope from Edmund Scientific for that kind of scratch.    From Wordnik.com.  [wow. I just bought shoes with silver flashy stuff on 'em] Reference

Though he does have another image, exactly the same stating the details of a 4in f/9 refractor.    From Wordnik.com.  [Where In The Universe #96 | Universe Today] Reference

The splendid 24-inch refractor through which he had stared at Mars for countless hours was still in use.    From Wordnik.com.  [The Lost Worlds of 2001]

Through the grant, they were able to purchase an eight-inch reflector telescope and a 70-mm refractor telescope.    From Wordnik.com.  [NASA Watch: Keith Cowing: October 2004 Archives] Reference

Nay, I am permitted to say that a venerable member of this society made drawings of it with a three inch refractor.    From Wordnik.com.  [Scientific American Supplement, No. 832, December 12, 1891] Reference

The captain turned guiltily away from the eye-piece of the refractor, making desperate efforts to compose his features.    From Wordnik.com.  ["Once in a Blue Moon" by Harl Vincent, part 1] Reference

From its glistening black with gold fleck paint, to its spotless white trim, this is one very well put together refractor.    From Wordnik.com.  [The Sky-Watcher AZ4 102 Refractor Telescope… How Sweet It is! | Universe Today] Reference

William Cranch Bond (1789–1859), using the Harvard College Observatory's 15-inch refractor, took the first photograph of a star.    From Wordnik.com.  [4. Science and Learning] Reference

For more of Jones' observations and sketches, check out her website, and this specific page about observing with a small refractor.    From Wordnik.com.  [Amateur Astronomer is "Chasing Galileo" | Universe Today] Reference

The character of the refractor is shown in Fig. 1.    From Wordnik.com.  [The Story of the Heavens] Reference

The refractor-ray screen that provides concealment for.    From Wordnik.com.  [Conservapedia - Recent changes [en]] Reference

A refractor is also more convenient to handle than is a reflector.    From Wordnik.com.  [The Outline of Science, Vol. 1 (of 4) A Plain Story Simply Told] Reference

Bruce spectrograph attached to the great 25-inch Newall refractor of the.    From Wordnik.com.  [The Story of the Heavens] Reference

United States, to meet some gentlemen there, and spy through the great refractor.    From Wordnik.com.  [Two on a Tower] Reference

Incident light Blue focus Red focus Objective A refractor produces an inverted image.    From Wordnik.com.  [Recently Uploaded Slideshows] Reference

Thus the refractor and the reflector differ chiefly in their manner of gathering light.    From Wordnik.com.  [The Outline of Science, Vol. 1 (of 4) A Plain Story Simply Told] Reference

But if out on a clear night I think my reflector would take more power than the refractor.    From Wordnik.com.  [Men of Invention and Industry] Reference

It acted as well as a three or four feet refractor of that day, and showed Jupiter's moons.    From Wordnik.com.  [Pioneers of Science] Reference

There is a limit to the size of the refractor depending upon the material of the object-glass.    From Wordnik.com.  [The Story of the Heavens] Reference

Lick refractor, and others shaped by them in recent years, have been supplied by Feil of Paris.    From Wordnik.com.  [A Popular History of Astronomy During the Nineteenth Century Fourth Edition] Reference

The mighty reflector, or refractor, is chiefly of use where unusually faint objects are being examined.    From Wordnik.com.  [The Story of the Heavens] Reference

Well; I have compared my six-inch reflector with a 4 1/4 inch refractor, through my window, with a power of 100 and 140.    From Wordnik.com.  [Men of Invention and Industry] Reference

I have a long tube large manual refractor and it is very difficult for me to reach the knobs when I am pointed to Zenith.    From Wordnik.com.  [Yahoo! Answers: Latest Questions] Reference

The Chinese company Synta had produced a simple optical tube with all of the classic elements in an achromatic refractor.    From Wordnik.com.  [Epinions Recent Content for Home] Reference

My instrument was an excellent refractor of 3 3/4 inches aperture, and five feet focal length, with a power of one hundred.    From Wordnik.com.  [Story of Creation as Told By Theology and By Science] Reference

We can refractor this code further by introducing the module Delegate which will hold all off our code, so it can be used by any class.    From Wordnik.com.  [RubyCorner] Reference

A still greater effort has recently been made by the same firm in the refractor of forty inches aperture for the Yerkes Observatory of the.    From Wordnik.com.  [The Story of the Heavens] Reference