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The Collaborative International Dictionary
Bude light

Bude light \Bude" light`\ [From Bude, in Cornwall, the residence of Sir G. Gurney, the inventor.] A light in which high illuminating power is obtained by introducing a jet of oxygen gas or of common air into the center of a flame fed with coal gas or with oil.

Wiktionary
bude light

n. A light in which a jet of oxygen or air is introduced into the centre of a flame.