¹ Source: wiktionary.com
Definition of Refractors
1. refractor [n] - See also: refractor
Refractors Pictures
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Lexicographical Neighbors of Refractors
Literary usage of Refractors
Below you will find example usage of this term as found in modern and/or classical literature:
1. Nature by Norman Lockyer (1878)
"Newtonian observers cannot understand how those who observe with refractors or
Cassegrain reflectors can bear to strain their neck so in looking up through ..."
2. Elements of Descriptive Astronomy: A Text-book by Herbert Alonzo Howe (1897)
"refractors and Reflectors. — There are two kinds of telescopes, called respectively
refractors and reflectors. Opera-glasses and spyglasses belong to the ..."
3. Appletons' Annual Cyclopædia and Register of Important Events of the Year (1899)
"the Fresnel refractors have been made to give a higher coefficient of beam.
Charles A. Stevenson's improvements on the Fresnel lens have been introduced in ..."
4. The Geography of the Heavens: And Class-book of Astronomy : Accompanied by a by Elijah Hinsdale Burritt, Hiram Mattison (1860)
"TELESCOPES—refractors AND REFLECTORS. 683. A TELESCOPE is an optical instrument
employed in viewing distant objects, especially the heavenly bodies. ..."
5. Cosmos: A Sketch of a Physical Description of the Universe by Alexander Von Humboldt, Benjamin Horatio Paul, William Sweetland Dallas, Elise C. Otté (1852)
"... again turned the scale in favour of refractors. The apparently incontestable
rights of priority of the mysterious Chester More Hall, of Essex (1729), ..."
6. The Transactions of the Royal Irish Academy by Royal Irish Academy (1837)
"Combinations of Reflectors or refractors. Compound and Component Combinations.
11. Let us now endeavour to improve our theory of the characteristic and ..."
7. A Rudimentary Treatise on the History, Construction and Illumination of by Alan Stevenson (1850)
"... of a polygonal hoop, consisting of a series of refractors, infinitely small
in their length and having their axes in planes parallel to the horizon. ..."
8. Astronomical Register (1874)
"The admirers of refractors will not yield an inch of ground, and the partisans
of reflectors ... The upholders of refractors see nothing good in reflectors, ..."
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