Singing flame

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(Acoustics) a flame, as of hydrogen or coal gas, burning within a tube and so adjusted as to set the air within the tube in vibration, causing sound. The apparatus is called also chemical harmonicon.

See also: Singing

Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in classic literature ?
"It seems that thou art innocent of this offence, and that Baleka, thy sister, is innocent, and that the song which the Mother of the Heavens sang through the singing flames was no true song.
Hence, The Singing Flame, a book that is a sequel to his earlier memoir on the War of Independence, did not appear until 1978, over two decades after his death.
This was followed after his death in 1957 by the publication of further Revolutionary memoirs: The Singing Flame (1978) and Raids and Rallies (1982).