American School of Correspondence · Chicago, American school of correspondence · leaf 98
is a roll, or drum, Q, which is connected to the main saddle bya thin steel band, S, and a yoke, U. One end of the band passes 85 50 COTTON SPINNING. partially around the drum and the other is fastened to the lowerend of the yoke. On the other end of the shaft is a quadrant,W, which is connected to…
Textile industry and fabrics
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![An illustration from [Graphophone patents] (1878)](https://img.insideoutlibrary.com/img/200/ia-graphophonepaten07unit-593-383.webp)
