American School of Correspondence · Chicago, American school of correspondence · leaf 249
mb when it is removed very easily. A set screw, JST, is for adjusting the frame so that the apronshall just touch lightly on the top of the rolls, as any great pres-sure will cause them to slip on the bottom rolls and make unevenwork. All that is necessary is to simply wipe them lightly andnot… … Fig. 151. Revolving Top Clearer. roll is made one and three-eighths inches in diameter instead of oneand one-eighth inches diameter. As a rule, when the frame is to be used for long staple cotton,the rolls are made larger in diameter, as the large rolls lessen tosome extent the -trouble from roller…
Textile industry and fabrics
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