Elementary treatise on the finishing of white, dyed, and printed cotton goods . SUBSTANCES EMPLOYED IN FINISHING. 137 It is evident that, for the effective workingof the ventilator, attention must be paid to theentrance for air. Injectors are also used and are perhaps pre-ferable, but they are more expensive. The arran-gement is as follows: A hood and trunk is placedover the machine and in the middle of the chimneyis placed the injecting apparatus, to which a littlesteam pipe is fixed; underneath the apparatus is. Fig. 26. Ventilator fixed in the ceiling and working at the side. a vessel or so
Elementary treatise on the finishing of white, dyed, and printed cotton goods . SUBSTANCES EMPLOYED IN FINISHING. 137 It is evident that, for the effective workingof the ventilator, attention must be paid to theentrance for air. Injectors are also used and are perhaps pre-ferable, but they are more expensive. The arran-gement is as follows: A hood and trunk is placedover the machine and in the middle of the chimneyis placed the injecting apparatus, to which a littlesteam pipe is fixed; underneath the apparatus is. Fig. 26. Ventilator fixed in the ceiling and working at the side. a vessel or sort of cup in which all that is con-densed or that may fall from outside collects andto which an outlet or discharging tube is the steam is turned on, it carries the wet steamof the apparatus with it into the injector, and atthe same time renews the air in the chimney. Itis worked as the weather and requirements of thework shop demand. This apparatus is extensivelyused notwithstanding the heavy expense of fittingup and the repairs. 138 FINISHING IN GENERAL. STENTERS OR STRETCHING FRAMES. When cloth is dried with the single aim ofremoving the moisture it retains, either dryingsheds, or drying machines are employed, but whenthe cloth is to be dried and at the same time thewidth regulated, according to the position of itsthreads, which should form a right angle, or thearrangement of the patterns, which should be re-peated at regular distances, stenters or *St. Quentinframes« are used. The stenters ma
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Keywords: ., bookcentury1800, bookdecade1880, bookidelementarytr, bookyear1889
