Definition of Drummond light. Meaning of Drummond light. Synonyms of Drummond light

Here you will find one or more explanations in English for the word Drummond light. Also in the bottom left of the page several parts of wikipedia pages related to the word Drummond light and, of course, Drummond light synonyms and on the right images related to the word Drummond light.

Definition of Drummond light

Drummond light
Drummond light Drum"mond light` [From Thomas Drummond, a British naval officer.] 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. Note: 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.
Drummond light
Calcium Cal"ci*um (k[a^]l"s[i^]*[u^]m), n. [NL., from L. calx, calcis, lime; cf F. calcium. See Calx.] (Chem.) An elementary substance; a metal which combined with oxygen forms lime. It is of a pale yellow color, tenacious, and malleable. It is a member of the alkaline earth group of elements. Atomic weight 40. Symbol Ca. Note: Calcium is widely and abundantly disseminated, as in its compounds calcium carbonate or limestone, calcium sulphate or gypsum, calcium fluoride or fluor spar, calcium phosphate or apatite. Calcium light, an intense light produced by the incandescence of a stick or ball of lime in the flame of a combination of oxygen and hydrogen gases, or of oxygen and coal gas; -- called also Drummond light.

Meaning of Drummond light from wikipedia

- Limelight (also known as Drummond light or calcium light) is a non-electric type of stage lighting that was once used in theatres and music halls. An...
- A zirconia light is an intensely brilliant chemical light produced by incandescent zirconia. It is similar in design to the Drummond light (limelight)...
- Army officer, civil engineer and senior public official. He used the Drummond light which was emplo**** in the trigonometrical survey of Great Britain and...
- Brian Drummond (born August 10, 1969) is a Canadian voice actor. He formerly served on the board of directors for the New Westminster-based Urban Academy...
- brigade persuaded Drummond to withdraw his centre to maintain alignment with his left flank, and also pull back the Glengarry Light Infantry, who had...
- and intelligent woman. In 1835, she married Thomas Drummond, who developed the use of Drummond Light in surveying. She would be her husband's mainstay...
- used for a type of magic lanterns). It would use an Argand lamp or Drummond light to project sequential images from a rotating gl**** disk. A shutter disk...
- dropout dross drought drove (n) drove (v) drown drowsy drudge drudgery Drummond light drunk drunkard druthers dry dub duck (bird) duck (v) ducky dud dugout...
- Michael Faraday invents the rubber balloon. 1826 – Thomas Drummond builds the Drummond Light. 1826 – Samuel Brown tests his internal combustion engine...
- Siberry as Jame Eagan, the current CEO of Lumon. Darri Ólafsson as Mr. Drummond (season 2), an intimidating Lumon enforcer who is involved with severance...