American School of Correspondence · Chicago, American school of correspondence · leaf 353
, the last, being raised. By so doing,the rod, B^ is drawn forward in the direction shown by the arrow,the friction is caused to engage with the tight pulley, and the spindlesare rotated in the opposite direction. After the spindles have unwound sufficient length of yarn, bytheir reverse movement,… … 314
Textile industry and fabrics
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