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.
  2. A blowgun; a blowtube.
    3. 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.