American School of Correspondence · Chicago, American school of correspondence · leaf 250
If l8 ll ll Pig. 153. Draft Rolls for Ordinary Length Staple Cotton. of eighty grains is being run, the distance between the centers ofthe rolls should be greater than when running a fifty grain sliver.This is due to the fact that not only the fibers directly in contactwith the bite of the roll are…
Textile industry and fabrics
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