Zirconia light

A zirconia light is an intensely brilliant chemical light produced by incandescent zirconia. It is similar in design to the Drummond light (limelight), but uses a block of zirconia instead of quicklime. Both have been replaced by the electric light.

Source
  •  This article incorporates text from a publication now in the public domain: Wood, James, ed. (1907). "Zirconia Light" . The Nuttall Encyclopædia. London and New York: Frederick Warne.
gollark: Also the "electric universe" thing seems to contradict half of physics and cannot, thus, be supported by it.
gollark: I don't think you know how this works.
gollark: If being a normie means actually knowing correct physicsy things, then sure, that seems fine?
gollark: Also that, yes.
gollark: The fact that it's a giant set of folders with poor structuring?

References

<no author listed (1870)."New Zirconia Light", The Pharmaceutical Journal and Transactions. 29:81-82/>

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