American School of Correspondence · Chicago, American school of correspondence · leaf 86
for pieces of hoop iron,nails etc., to drop out, whilewith the pipe leading down, asin the drawing, the heavy sub-stances simply fall to the bottomof the vertical part of the pipeand have to be removed. Handholes are made in this part ofthe pipe and in all parts whereit is necessary. Fig. 27 shows… … Fig. 27. Elbow Mouth Pieces.. 73 38 COTTON SPINNING. the heavy dirt to fall to the bottom, where it can be removed. It is considered advisable in all cases to use an automaticfeeder with a blowing system in the cotton house, as the lumpsof cotton are broken better by being tumbled about in the…
Textile industry and fabrics
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