Liberal Dictionary English Dictionary
noun
“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.
noun
“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.