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Blowpipe   Listen
noun
Blowpipe  n.  
1.
A tube for directing a jet of air into a fire or into the flame of a lamp or candle, so as to concentrate the heat on some object. Note: It is called a mouth blowpipe when used with the mouth; but for both chemical and industrial purposes, it is often worked by a bellows or other contrivance. The common mouth blowpipe is a tapering tube with a very small orifice at the end to be inserted in the flame. The oxyhydrogen blowpipe, invented by Dr. Hare in 1801, is an instrument in which oxygen and hydrogen, taken from separate reservoirs, in the proportions of two volumes of hydrogen to one of oxygen, are burned in a jet, under pressure. It gives a heat that will consume the diamond, fuse platinum, and dissipate in vapor, or in gaseous forms, most known substances.
2.
A blowgun; a blowtube.
Blowpipe analysis (Chem.), analysis by means of the blowpipe.
Blowpipe reaction (Chem.), the characteristic behavior of a substance subjected to a test by means of the blowpipe.






Collaborative International Dictionary of English 0.48








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"Blowpipe" Quotes from Famous Books



... published results counter to those announced by Needham in 1748, and obtained by methods so precise as to completely overthrow the convictions based upon the labours of his predecessor. Charging his flasks with organic infusions, he sealed their necks with the blowpipe, subjected them in this condition to the heat of boiling water, and subsequently exposed them to temperatures favourable to the development of life. The infusions continued unchanged for months, and when the flasks were subsequently ...
— Fragments of science, V. 1-2 • John Tyndall

... he said, rather more insistently than it was his wont to speak. "The poor beggar has had bad times lately with his Ego; always has had, in fact. He has an enormous conscience, linked with an insatiate desire to put the whole universe under a blowpipe, and then weigh up the residue. That's infernally bad for a preacher, especially when he has a wife who is strong neither in her cooking nor in her sense of humour. Yes, I know something about Mrs. Brenton, even if I haven't seen her lately. Besides, I ...
— The Brentons • Anna Chapin Ray

... master!" said he, and stooping towards the fire showed me a middling-sized black thorn upon his open palm. "Not much to look at, master—no, but 'tis death sure and sarten, howsomever. I've many more besides; I make 'em into darts and shoot 'em through a blowpipe—a trick I larned o' the Indians. Aye, I spits 'em through a pipe—which is better than your guns—no noise, no smoke, and sure death wherever ...
— Martin Conisby's Vengeance • Jeffery Farnol

... to the same treatment. A glass tube, with a U-shaped index of fine bore glass tubing, was filled with purified and dried chlorine. After passing a current of the gas through the tube for some time, the end was sealed in the blowpipe flame. The tube was then warmed slightly, and a few bubbles of gas thus driven out. The end of the index tube dipped under strong sulphuric acid saturated with chlorine gas, so that, on cooling, a short column of the acid was drawn up. This served as an index ...
— Scientific American Supplement, No. 794, March 21, 1891 • Various

... Assyrian glass was either transparent or stained with a single uniform color. It was composed, in the usual way, by a mixture of sand or silex with alkalis, and, like the Egyptian, appears to have been first rudely fashioned into shape by the blowpipe. It was then more carefully shaped, and, where necessary, hollowed out by a turning machine, the Marks of which are sometimes still visible. The principal specimens which have been discovered are small bottles and bowls, the former not more ...
— The Seven Great Monarchies Of The Ancient Eastern World, Vol 2. (of 7): Assyria • George Rawlinson



Words linked to "Blowpipe" :   tubing, tube



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