Astronomy: General

A Dictionary of Astronomy A Dictionary of Architecture and Landscape Architecture Further reading

crown glass

A Dictionary of Astronomy | 1997 | Copyright

crown glass A basic variety of optical glass, containing a high percentage of potassium and calcium. It has a refractive index of about 1.5, and on average has a lower dispersion of light than the other main basic optical glass, flint glass. Crown glass has a lower density than flint glass but is more durable.

Cite this article
Pick a style below, and copy the text for your bibliography.

MLA
Chicago
APA

"crown glass." A Dictionary of Astronomy. 1997. Encyclopedia.com. 30 May. 2012 <http://www.encyclopedia.com>.

"crown glass." A Dictionary of Astronomy. 1997. Encyclopedia.com. (May 30, 2012). http://www.encyclopedia.com/doc/1O80-crownglass.html

"crown glass." A Dictionary of Astronomy. 1997. Retrieved May 30, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O80-crownglass.html

Learn more about citation styles

crown glass

A Dictionary of Architecture and Landscape Architecture | 2000 | | Copyright

crown glass. Fine English window-glass with a brilliant, fine-finish lustre, in general use until the mid-C19. See glass.

Cite this article
Pick a style below, and copy the text for your bibliography.

MLA
Chicago
APA

JAMES STEVENS CURL. "crown glass." A Dictionary of Architecture and Landscape Architecture. 2000. Encyclopedia.com. 30 May. 2012 <http://www.encyclopedia.com>.

JAMES STEVENS CURL. "crown glass." A Dictionary of Architecture and Landscape Architecture. 2000. Encyclopedia.com. (May 30, 2012). http://www.encyclopedia.com/doc/1O1-crownglass.html

JAMES STEVENS CURL. "crown glass." A Dictionary of Architecture and Landscape Architecture. 2000. Retrieved May 30, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O1-crownglass.html

Learn more about citation styles

Free newspaper and magazine articles

	Cardiff Glass clear winner of conservatory crown.(Business) Newspaper article from: Western Mail (Cardiff, Wales); 9/10/2005
	New-look M&S store reveals a touch of glass; Futuristic see-through frontage... Newspaper article from: South Wales Echo (Cardiff, Wales); 11/12/2008
	EU stealing the crown of the great British pint. Newspaper article from: Daily Mail (London); 1/2/2007