=794. Straight jet,= for long distances.
=795. Short jet.=
=796. Rose jet,= for spreading.
=797. Fan jet,= or spreader.
=798. Blast tuyere.=
=799. Smith’s tuyere and water bosh.=
=800. Jet aspirator,= for inducing a mixed current of air and water or
steam.
=801. Steam jet pump;= the steam enters by the central jet and causes a
vacuum, into which the water rises by the branch pipe.
=802. Insufflator= for steam and air blast; used also as a petroleum
injector, &c.
=803 & 805. Spray jets;= the liquid rises by gravity at the small
vertical nozzles, and is driven in a spray or mist by a cross blast of
air from the horizontal jets.
=804. Injector.= The varieties of this contrivance are too numerous to
specify. See Graham’s, Gifford’s, Hall’s, Hancock’s, and others in
common use.
=806. Plain or spreading jet.= The eight vanes can be pushed into the
jet of water to cut it up by moving the sliding ring.
=807. Ventilating jet or aspirator,= with several lateral openings for
inducing a current.
=Jet condensers.= See Section 25.