Limelight: Difference between revisions

'''Limelight ''' (also known as '''Drummond light''' or '''calcium light''')<ref name=smith>James R. Smith (2004). ''San Francisco's Lost Landmarks'', Quill Driver Books.</ref> is a type of [[stage lighting]] once used in [[Theater (structure)|theatres]] and [[music hall]]s. An intense illumination is created when an [[Oxyhydrogen|oxyhydrogen flame]] is directed at a cylinder of quicklime ([[calcium oxide]]),<ref>{{Cite web|url=http://scifun.chem.wisc.edu/CHEMWEEK/Lime/lime.html|title=Chemical of the Week – Lime|website=scifun.chem.wisc.edu|access-date=2017-12-24|archive-url=https://web.archive.org/web/20080217232600/http://scifun.chem.wisc.edu/CHEMWEEK/Lime/lime.html|archive-date=17 February 2008|url-status=dead}}</ref> which can be heated to {{convert|2572|C|F}} before melting. The light is produced by a combination of [[incandescence]] and [[candoluminescence]]. Although it has long since been replaced by electric lighting, the term has nonetheless survived, as someone in the public eye is still said to be "in the limelight". The actual lamps are called "limes", a term which has been transferred to electrical equivalents.