Knight's American mechanical dictionary : a description of tools, instruments, machines, processes and engineering, history of inventions, general technological vocabulary ; and digest of mechanical appliances in science and the arts . time a partial revolutioa of the roller c, and present-ing to the action of tlie cards a width of cloth equal Fis In Fig. 3294, the rolls C B carry an endless bandof thin sheet-metal stenciled with figures of any de-sired pattern. The fabiic, which passes between theroller B and the band, is only exposed tothe action of the napping-cards or tease
Knight's American mechanical dictionary : a description of tools, instruments, machines, processes and engineering, history of inventions, general technological vocabulary ; and digest of mechanical appliances in science and the arts . time a partial revolutioa of the roller c, and present-ing to the action of tlie cards a width of cloth equal Fis In Fig. 3294, the rolls C B carry an endless bandof thin sheet-metal stenciled with figures of any de-sired pattern. The fabiic, which passes between theroller B and the band, is only exposed tothe action of the napping-cards or teasels on thesurface of the cylinder Jj at those jjoints where themetal has been removed from the band; conse-quently, those parts only are napped, the rest ofits surface remaining plain. A shearing-device G of the ordinary kind mayalso lie attached to the machine. Nap-wrarp. (llcai-iiig.) Pile-warp. In fustianweaving, the upper warp covering the main warp ornap. Nar-cotic-spray Appa-ratus. A device forproducing local anaisthesia. It consists of a bot-tle stopped by a perforated cork, through whichpasses a double tube, one of whose extremitiesreaches to the bottom of the bottle. Above thecork, a tube connected with a hollow sphere of india-rubber acting as a bellows jienetrates the doubletube and communicates through an aperture in thecork with tlie
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Keywords: ., bookcentury1800, booksubjectin, booksubjectmechanicalengineering
