Drummond light

Definitions

  • Webster's Revised Unabridged Dictionary
    • Drummond light A very intense light, produced by turning two streams of gas, one oxygen and the other hydrogen, or coal gas, in a state of ignition, upon a ball of lime; or a stream of oxygen gas through a flame of alcohol upon a ball or disk of lime; -- called also oxycalcium light, or lime light.☞ The name is also applied sometimes to a heliostat, invented by Drummond, for rendering visible a distant point, as in geodetic surveying, by reflecting upon it a beam of light from the sun.
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Etymology

Webster's Revised Unabridged Dictionary
From Thomas Drummond, a British naval officer

Usage

In literature:

E Drummond, Somersetshire Light Infantry.
"The Story of the Malakand Field Force" by Sir Winston S. Churchill
The light from a passing machine showed a youthful figure that looked like Joe Drummond.
"K" by Mary Roberts Rinehart
The Drummond Light of Freedom burns brighter in the diminished distance.
"The Duty of Disobedience to the Fugitive Slave Act" by Lydia Maria Child
What is the Drummond or Lime Light?
"A Catechism of Familiar Things; Their History, and the Events Which Led to Their Discovery" by Benziger Brothers
Drummond feared that he might never again open his eyes to light and home.
"Foes in Ambush" by Charles King
When this flame impinges on a piece of lime, we have the dazzling Drummond light.
"Fragments of science, V. 1-2" by John Tyndall
General Drummond detached his light troops, cavalry, and Indians, in pursuit, to harass his rear.
"The Rise of Canada, from Barbarism to Wealth and Civilisation" by Charles Roger
Presently she was aroused by a light touch on her arm; it was Susan Drummond.
"A World of Girls" by L. T. Meade
The rays of the new moral Drummond Light were first concentrated to a focus at Paris, to illuminate the universe.
"Cotton is King and The Pro-Slavery Arguments" by Various
He tried the same experiment, substituting for sunbeams light from a Drummond lamp, and with similar result.
"A Popular History of Astronomy During the Nineteenth Century" by Agnes M. (Agnes Mary) Clerke
Presently the light from the flare bombs died away, and I wriggled closer to what had been Drummond.
"The Black Watch" by Scout Joe Cassells
The Welsbach light is a development of the Drummond, or limelight, invented by Lieut.
"The Progress of Invention in the Nineteenth Century." by Edward W. Byrn
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In science:

For instance, in the deviation of the photon velocity from the velocity of light in vacuum was estimated in the framework of Drummond and Hathrell’s approach .
Light propagation with non-minimal couplings in a two-component cosmic dark fluid with an Archimedean-type force and unlighted cosmological epochs
Drummond, “Variable light-cone theory of gravity,” gr-qc/9908058.
Brane World Cosmologies with Varying Speed of Light
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