| http://www.w3.org/ns/prov#value | - As shown in FIGS. 3 and 4, the pressure boxes 25 and 26 taper gradually from the plenum chamber 24 toward the opposite wall of the housing 11 and the elongated nozzle openings 29 and 30 are provided with vertical partitions 31 and 32 operable, in the present instance, to cause the medium exhausted through the openings to flow perpendicularly against the fabric or other web material traveling on th
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