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Drummond light

noun

calcium light.

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Origin of Drummond light

1835–45; named after Capt. T. Drummond (1797–1840), British engineer
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Word Origin and History for drummond light

Drummond light

n.

"torch that burns calcium oxide (lime) and gives off intense white light," 1854, named for Scottish engineer Capt. Thomas Drummond, R.E., (1797-1840), who invented it c.1825.

Online Etymology Dictionary, © 2010 Douglas Harper