American School of Correspondence · Chicago, American school of correspondence · leaf 72
XH X <iH b 0- a s COTTON SPINNING. 23 the ordinary ones, and become dulled about as soon, and cannotbe sharpened witliout grinding, wliich is considerable trouble,while the others can be sharpened by simply planing off the dullededges. Picking Macliinery on Different Floors. This is shown inthe… … Fig. 14. Section of Inclined Cleaning Trunk, with Pockets closed. a three-beater system. The horizontal cleaning trunk is dispensedwith and an inclined trunk used in its place. One end of thistrunk is connected to an opener on the first floor, the other to aone-beater breaker picker, with a screen…
Textile industry and fabrics
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