American School of Correspondence · Chicago, American school of correspondence · leaf 59
ous series ofblows is given, by which the cotton is stripped or beaten from thepins and thrown against a screen or grid directly beneath thedoffer, called the doffer screen, through which any loose dirt willfall. Beneath the doffer screen is a dust drawer, G, which receives(lust and dirt that is… … PHa o be The cotton is next carried forward by the feed apron, pass- 48 COTTON SPINNING. 13 ing under the press roll, L, to the feed rolls, N. The press rollcondenses the cotton, that it may be drawn readily between thefeed rolls, which, being small in diameter, could not receive it in aloose form.…
Textile industry and fabrics
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