BLOWPIPE • E-FREE TRANSLATION.COM • Definition of Blowpipe

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/blˈoʊpˌaɪp/ Listen

noun

Blowpipe n.

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.

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.

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Etymology of 'Blowpipe'

Collaborative International Dictionary of English 0.48

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"Blowpipe" Quotes from Famous Books

... important fact, worthy of note, is, that these luminous streaks are more nearly parallel than is due to a radiation from the centre. These streaks have, also, been seen bent at right angles at the middle of their height, as a flame is by means of a blowpipe, precisely analogous to cometary rays being driven backwards to form the tail, as already described, thus indicating a common origin. If the moon had an atmosphere, we should, no doubt, see a greater display; but, having no rotating ...

— Outlines of a Mechanical Theory of Storms - Containing the True Law of Lunar Influence • T. Bassnett

... of Professor Hare of Philadelphia is an apparatus well calculated for many interesting experiments on galvanism. To that gentleman we are indebted for the compound blowpipe, which produces a very intense heat by the combustion of hydrogen in contact with oxygen gas. Notwithstanding Professor Clark of England has laid claim to the apparatus, and the use of hydrogen gas in this way, the merit of the discovery ...

— James Cutbush - An American Chemist, 1788-1823 • Edgar F. Smith

... cutting department is the glass spinning and weaving department. The spinning of glass into fine threads is done by means of a wheel nine feet in diameter which revolves twenty times a minute. A glass rod is exposed at one end to a blowpipe flame. When the glass is melted it is attached to the periphery of the wheel and the operator sits with watch in front of him. Every minute the position of the melting glass is shifted until the broad wheel is filled, when it is stopped and the glass is cut and taken off, made ...

— The Adventures of Uncle Jeremiah and Family at the Great Fair - Their Observations and Triumphs • Charles McCellan Stevens (AKA 'Quondam')

... hydrogen, and the rest) as "unde-compounded" bodies. These resist all present efforts to decompose them, but how can one know what might not happen were they subjected to an influence, perhaps some day to be discovered, which exceeds the battery in power as the battery exceeds the blowpipe? ...

— A History of Science, Volume 4(of 5) • Henry Smith Williams

... Another characteristic structural defect of practically every scientific gem may be utilized to distinguish them. As is well known, the rough material is formed in boules or pear-shaped drops under an inverted blowpipe. The powdered material is fed in with one of the gases and passes through the flame, melting as it goes, and then accumulating and crystallizing below as a boule. The top or head of this boule is rounding from the start, ...

— A Text-Book of Precious Stones for Jewelers and the Gem-Loving Public • Frank Bertram Wade

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