Editing Candle (section)

===Other uses===
[[File:KerzenuhrEdited.jpg|thumb|upright|A type of [[candle clock]]]]
With the fairly consistent and measurable burning of a candle, a common use of candles was to tell the [[candle clock|time]]. The candle designed for this purpose might have time measurements, usually in hours, marked along the wax. The [[Song dynasty]] in China (960–1279) used [[candle clock]]s.<ref>{{cite book|last=Whitrow |first=G. J. |title=Time in History: Views of Time from Prehistory to the Present Day |publisher=Oxford University Press |year=1989 |pages=90–91 |url=https://books.google.com/books?id=o8Nb5KLBxVQC&q=Sung+dynasty+incense+clocks&pg=PA91 |isbn=978-0-19-285211-3 |url-status=dead |archive-url=https://web.archive.org/web/20150610204616/https://books.google.com/books?id=o8Nb5KLBxVQC&pg=PA91&dq=Sung+dynasty+incense+clocks |archive-date=June 10, 2015 }}</ref>

By the 18th century, candle clocks were being made with weights set into the sides of the candle. As the candle melted, the weights fell off and made a noise as they fell into a bowl.