Blowpipe
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An instrument by which a current of air or gas is driven through the flame of a lamp, candle, or gas jet, and that flame directed upon a mineral substance, to fure or vitrify it, an instense head being created by the rapid supply of oxygen and the concentration of the flame upon a small area.
Galleries
Chemistry ApparatusSource
L. Brent Vaughan, Hill's Practical Reference Library of General Knowledge (New York: Dixon, Hanson & Company, 1906)
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